Page 1 When it comes to service, remember that your Toyota dealer knows your vehicle best and is interested in your complete satisfaction. He will provide quality maintenance and any other assistance you may require. If there is not a Toyota dealer near you, or you need emergency assistance for any reason, please call the following number: U.S. OWNERS: Toyota Customer Assistance Center Toll−free: 1−800−331−4331...
Page 2: Important Information About This Manual
03 SIENNA_U (L/O 0207) Important information about this manual Safety and vehicle damage warnings Safety symbol Throughout this manual, you will see safety and vehicle dam- age warnings. You must follow these warnings carefully to avoid possible injury or damage. The types of warnings, what they look like, and how they are used in this manual are explained as follows: CAUTION...
Page 3 Important information about your Toyota New vehicle warranty Accessories, spare parts and modification of your Toyota Your new vehicle is covered by the following Toyota limited warranties: A wide variety of non−genuine spare parts and accessories D New vehicle warranty for Toyota vehicles are currently available in the market.
Page 4 Standard. have the systems of the SRS airbag and seat belt preten- sioner removed and disposed of by the qualified service shop or by your Toyota dealer before you dispose of your Installation of a mobile vehicle. two−way radio system As the installation of a mobile two−way radio system in...
Page 5 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Overview of instruments and controls Instrument panel overview ........Instrument cluster overview .
Page 6: Instrument Panel Overview
03 SIENNA_U (L/O 0207) Instrument panel overview 1. Side defroster outlets 2. Side vents 3. Instrument cluster 4. Automatic transmission selector lever 5. Center vents 6. Garage door opener, garage door opener box or auxiliary box 7. Electric moon roof switch, front personal light or front interior light switch 8.
Page 7: Controls
03 SIENNA_U (L/O 0207) 1. Headlight, turn signal and front fog light switches 2. Wiper and washer switches 3. Clock and front passenger’s seat belt reminder light 4. Emergency flasher switch 5. Front air conditioning controls 6. Rear fan speed selector or rear fan position selector 7.
Page 8 03 SIENNA_U (L/O 0207) 19. Tire pressure warning system reset switch or traction control system off switch 20. Theft deterrent system/Engine immobiliser system indicator light 21. Power rear view mirror control switches 22. Instrument panel light control dial 2003 MY SIENNA (OM45410U)
Page 9: Instrument Cluster Overview
03 SIENNA_U (L/O 0207) Instrument cluster overview "With tachometer 1. Engine coolant temperature gauge 4. Speedometer 7. Odometer and two trip meters 2. Tachometer 5. Fuel gauge 3. Service reminder indicators and 6. Trip meter reset knob indicator lights 2003 MY SIENNA (OM45410U)
Page 10 03 SIENNA_U (L/O 0207) "Without tachometer 1. Engine coolant temperature gauge 4. Odometer and two trip meters 2. Service reminder indicators and 5. Fuel gauge indicator lights 6. Trip meter reset knob 3. Speedometer 2003 MY SIENNA (OM45410U)
Page 11: Indicator Symbols On The Instrument Panel
03 SIENNA_U (L/O 0207) Indicator symbols on the instrument panel ∗ 1 ∗ 1 Brake system warning light Anti−lock brake system warning light ∗ 1 ∗ 1 Driver’s seat belt reminder light Open door warning light ∗ 1 ∗ 1 Front passenger’s seat belt reminder light Open power sliding door warning light ∗...
Page 12 03 SIENNA_U (L/O 0207) Headlight high beam indicator light Overdrive−off indicator light ∗ 2 Cruise control indicator light Automatic transmission indicator lights Slip indicator light Traction control system off indicator light ∗ 1 : For details, see “Service reminder indicators and warning buzzers”...
Page 13: Table Of Contents
03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Keys and Doors Keys ............Engine immobiliser system .
Page 14: Keys
If you should lose your keys or if you built−in transponder chip. glove box. need additional keys, duplicates can be made by a Toyota dealer using the key 2. Sub key (gray)—This key will not work To protect things locked in the glove box number.
Page 15 03 SIENNA_U (L/O 0207) To protect things locked in the glove box when you have your vehicle parked, leave the sub key with the attendant. Since the front doors and sliding doors can be locked without a key, you should always carry a spare master key in case you accidentally lock your keys inside the vehicle.
Page 16 If you should lose your keys or if you need additional keys, duplicates can be made by a Toyota dealer using the key number. We recommend you to write down the key number and keep it in safe place.
Page 17: Engine Immobiliser System
The indicator light will go off. For your Toyota dealer to make you a new key with built−in transponder chip, your dealer will need your key number and master key. However, there is a limit to the number of additional keys your Toyota dealer can make for you.
Page 18: Front Doors
03 SIENNA_U (L/O 0207) Front doors For vehicles sold in U.S.A. For vehicles sold in Canada FCC ID: MOZ RI−4BTY This device complies with RSS−210 of MADE IN JAPAN Industry Canada. Operation is subject to the following two conditions: This device complies with Part 15 of the FCC Rules.
Page 19 03 SIENNA_U (L/O 0207) LOCKING UNLOCKING WITH POWER DOOR LOCK SWITCH Push the switch. To lock: Push the switch on the front side. To unlock: Push the switch on the rear side. All the doors lock or unlock simultaneous- CAUTION Before driving, be sure that the doors closed locked,...
Page 20: Sliding Door
03 SIENNA_U (L/O 0207) Sliding door CLOSING FROM OUTSIDE To close the fully−opened sliding door, pull the outside handle and then close the Lock release door. button LOCKING AND UNLOCKING WITH KEY LOCKING UNLOCKING WITH (on some models) INSIDE LOCK KNOB Insert the key into the keyhole and turn Move the lock knob.
Page 21 03 SIENNA_U (L/O 0207) Vehicles with power door lock sys- When the vehicle is stopped on a tem—The sliding doors will be locked si- gradient, the door will slide faster multaneously when either front door or the when opening or closing, so be es- back door is locked with the power door pecially careful that the passengers lock switch or key.
Page 22 03 SIENNA_U (L/O 0207) Vehicles with power sliding door system— If the power sliding door system is on, the child−protector feature is cancelled when someone pushes one of the “DOOR L”, “DOOR R” and “PWR DOOR” switches inside the vehicle or “POWER DOOR”, “D−PWR DOOR”...
Page 23: Power Sliding Door
03 SIENNA_U (L/O 0207) Power sliding door Some vehicles are equipped with a power When the power sliding door system is sliding door. This system has the following on, you can open and close the sliding functions: door with the “DOOR L”, “DOOR R” and “PWR DOOR”...
Page 24 03 SIENNA_U (L/O 0207) OPENING AND CLOSING WITH “DOOR To open the power sliding door when L”, “DOOR R” “PWR DOOR” the ignition key is in the “ON” position, SWITCHES the transmission selector lever must be in “P”. (To close the sliding door from To open the door, push the switch.
Page 25 03 SIENNA_U (L/O 0207) OPENING BY HAND If you forcibly close the power sliding door by hand when the ignition key is in the When the power sliding door system is “ON” position, the open power sliding door on, if you pull the outside door handle or warning light may stay on.
Page 26 03 SIENNA_U (L/O 0207) The resistance must be as strong as the Before you close the power sliding force of the moving door, or stronger. As door, always make sure there is no- the sliding door approaches the fully− body around power sliding...
Page 27 03 SIENNA_U (L/O 0207) RESETTING POWER SLIDING 1. Be sure to turn off the power sliding DOOR SYSTEM door system by pushing in the “PWR DOOR OFF” switch. If the power sliding door system operates incorrectly or does not operate under the 2.
Page 28: Wireless Remote Control
Contact your Toyota dealer. mately 1 m (3 ft.) of the vehicle. On some models, the system also allows you to activate the theft deterrent sys- tem from the same distance.
Page 29 03 SIENNA_U (L/O 0207) To stop the beep, close all the doors se- SWITCHING BEEP SOUND ON AND OFF curely or push the “UNLOCK” switch. You can switch the beep on and off. (The To unlock: Push the “UNLOCK” switch beep is on initially and after battery re- once to unlock only the driver’s door.
Page 30 03 SIENNA_U (L/O 0207) OPENING CLOSING WITH Left and right side power sliding door WIRELESS REMOTE CONTROL models—The left side power sliding door some models) does not operate when the fuel filler door is opened. Push the switch of the wireless remote control transmitter slowly and securely.
Page 31 03 SIENNA_U (L/O 0207) The alarm will last for one minute. To stop The alarm will last for one minute. To stop alarm midway, do the following: alarm midway, do the following: Push any of the switch on the wireless Push any of the switch on the wireless remote control transmitter.
Page 32 REPLACING TRANSMITTER BATTERY MODEL/FCC ID: GQ43VT14T trol transmitters for the same vehicle. For replacement, use a CR2032 lithium CAN: 1470102849 Contact your Toyota dealer for detailed battery or equivalent. MADE IN U.S.A. information. This complies with Part 15 of the FCC...
Page 33 03 SIENNA_U (L/O 0207) 1. Using a coin or equivalent, open the 2. Remove the discharged transmitter bat- 3. Put a new transmitter battery with posi- transmitter case. tery. tive (+) side up. Close the transmitter case securely. NOTICE NOTICE Do not bend the terminals.
Page 34: Power Windows
After replacing battery, check that the transmitter operates properly. If the trans- mitter still does not operate properly, con- tact your Toyota dealer. The windows can be operated with the Automatic operation: Push the switch switch on each front door.
Page 35 03 SIENNA_U (L/O 0207) Key off operation: If both front doors are closed, they work for 43 seconds even Window after the ignition switch is turned off. It lock switch stops working when either front door is opened. CAUTION Never try jamming any part of your body to make the jam protection function work intentionally.
Page 36: Power Rear Quarter Windows
03 SIENNA_U (L/O 0207) Power rear quarter windows CAUTION Never leave small children alone in the vehicle, especially with the igni- To avoid serious personal injury, you tion key still inserted. They could use the power window switches and must do the following. trapped in a window.
Page 37: Center Side Windows And Manual Rear Quarter Windows
03 SIENNA_U (L/O 0207) Center side windows and manual rear quarter windows Key off operation: If both front doors are Never leave small children alone in closed, they work for 43 seconds even the vehicle, especially with the igni- after the ignition switch is turned off. They tion key still inserted.
Page 38: Back Door
03 SIENNA_U (L/O 0207) Back door When closing the back door, use the inside strap or handle for easier reach to the back door. To close the back door, lower it and press down on it. After closing the back door, try pulling it up to make sure it is secure- ly closed.
Page 39: Hood
03 SIENNA_U (L/O 0207) Hood To open the hood: 2. In front of the vehicle, pull up the 3. Hold the hood open by inserting the auxiliary catch lever and lift support rod into the slot. 1. Pull the hood lock release lever. The hood.
Page 40: Theft Deterrent System
03 SIENNA_U (L/O 0207) Theft deterrent system As the doors are locked, the system will give you a preparation time of 30 seconds before the setting, during which the front, sliding or back doors and hood may be opened. Be careful not to unlock any door with the key or wireless remote control transmitter during setting.
Page 41 The alarm will activate again under the If the system does not work properly, same circumstances described have it checked by your Toyota dealer. Activating the system “Activating the system”. The system will give the alarm under the Stopping the alarm...
Page 42: Fuel Tank Cap
03 SIENNA_U (L/O 0207) Fuel tank cap This indicates that the fuel filler door is on the left side of your vehicle. With tachometer 1. To open the fuel filler door, pull the lever up. When refueling, turn off the engine. CAUTION Do not smoke, cause sparks or al- low open flames when refueling.
Page 43 03 SIENNA_U (L/O 0207) The indicator lamp goes off after driving NOTICE several times. If the indicator lamp does not go off, contact your Toyota dealer as Avoid opening the fuel filler door soon as possible. when the left side sliding door is fully opened.
Page 44: Electric Moon Roof
03 SIENNA_U (L/O 0207) Electric moon roof To operate the moon roof, use the Tilting operation— switches beside the personal light. To tilt up: Push the switch on the “TILT The moon roof works when the ignition UP” side. switch is in the “ON” position. To lower: Push the switch on the “SLIDE OPEN”...
Page 45 03 SIENNA_U (L/O 0207) Before you close the moon roof, always make sure there is nobody around the moon roof. You must also make sure nobody places his or her head, hands and other parts of the body in the roof opening. If someone’s neck, head or hands get caught in the closing roof, it could result in a serious injury.
Page 46 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 47 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Seats, Seat belts, Steering wheel and Mirrors Seats ............Front seats .
Page 48: Seats
Consult your Toyota dealer if you insist on modifications of this kind. 2003 MY SIENNA (OM45410U)
Page 49: Adjusting Front Seats
03 SIENNA_U (L/O 0207) —Adjusting front seats (manual seat) 1. SEAT POSITION ADJUSTING LEVER While adjusting the seat, do not put Hold the center of the lever and pull it your hands under the seat or near up. Then slide the seat to the desired the moving parts.
Page 50 03 SIENNA_U (L/O 0207) —Adjusting front seats (power seat) 3. SEAT CUSHION HEIGHT ADJUSTING 1. SEAT POSITION AND SEAT CUSHION KNOB HEIGHT ADJUSTING SWITCH Turn the knob either way. Move the control switch in the desired direction. Releasing the switch will stop the seat at that position.
Page 51: Rear Seats
03 SIENNA_U (L/O 0207) Rear seats— —Rear seat precautions CAUTION CAUTION When returning seats to their original position, observe the following pre- To reduce the risk of sliding under Adjustment should not be made cautions in order to prevent personal injury in a collision or sudden stop: the lap belt during a collision, avoid while the vehicle is moving.
Page 52 03 SIENNA_U (L/O 0207) —Adjusting second seat —Adjusting second seats (bench seat) (captain seat) SEATBACK ANGLE ADJUSTING LEVER Lean forward and pull the lever up. Then lean back to the desired angle and release the lever. CAUTION To reduce the risk of sliding under the lap belt during a collision, avoid reclining the seatback any more than needed.
Page 53 03 SIENNA_U (L/O 0207) —Moving second seat for third seat entry (right side captain seat) 1. SEAT POSITION ADJUSTING LEVER CAUTION Hold the center of the lever and pull it up. Then slide the seat to the desired After putting back the seat, position with slight body pressure and pushing the seat forward and rear- release the lever.
Page 54 03 SIENNA_U (L/O 0207) —Folding second seat (bench seat) NOTICE To prevent the seat from damaging, avoid putting heavy loads on the tem- porary table. Lift the seatback angle adjusting lever You can use the second seatback as a (1) or press the lever (2) behind the temporary table only when the vehicle is seatback and fold the seatback down.
Page 55 03 SIENNA_U (L/O 0207) —Folding second seats (captain seat) 1. Pull the lever behind the seatback. 2. Lift the seatback angle adjusting le- You can use the second seatback as a ver and fold the seatback down. temporary table only when the vehicle is Right side only—The seat will slide for- stopped.
Page 56 03 SIENNA_U (L/O 0207) —Removing second seat (bench seat) When the second seat for a table was slid for accessing to the third seat, get the seatback up to the upright position, fold the seatback down again, and make certain all the latches are engaged.
Page 57 03 SIENNA_U (L/O 0207) NOTICE CAUTION Avoid putting heavy loads on the re- When removing or reinstalling the moved seat. The metallic tips of the seat, observe the following to prevent seat legs may be damaged and the personal injury: seat cannot be reinstalled.
Page 58 03 SIENNA_U (L/O 0207) —Removing second seats (captain seat) 1. Pull the lever behind the seatback. 2. Lift the seatback angle adjusting le- 3. Pull the seat lock release lever. Lift ver and fold the seatback down. the seat cushion and remove the Right side only—The seat will slide for- seat toward you.
Page 59 03 SIENNA_U (L/O 0207) NOTICE CAUTION Avoid putting heavy loads on the re- When removing or reinstalling the moved seat. The metallic tips of the seat, observe the following to prevent seat legs may be damaged and the personal injury: seat cannot be reinstalled.
Page 60 03 SIENNA_U (L/O 0207) —Adjusting third seats 1. SEAT POSITION ADJUSTING LEVER CAUTION Hold the center of the lever and pull it up. Then slide the seat to the desired Adjust both seats to the same posi- position with slight body pressure and tion and seatbacks to the same release the lever.
Page 61 03 SIENNA_U (L/O 0207) —Folding third seats BEFORE FOLDING THIRD SEAT FOLDING UP THIRD SEAT z Make sure to stow the third center Stow the third center seat belt as 1. Remove the head restraint. seat belt in order not to cause dam- shown in the illustration.
Page 62 03 SIENNA_U (L/O 0207) 2. Slide the seat to the rear−most posi- 3. Lift the seatback angle adjusting le- You can use the third seatback as a tem- tion. ver (1) or press the lever (2) behind porary table only when the vehicle is the seatback and fold the seatback stopped.
Page 63 03 SIENNA_U (L/O 0207) NOTICE CAUTION To prevent the seat from damaging, When folding up the seat or return- avoid putting heavy loads on the tem- ing it to its original position, be porary table. careful not to get your hands or feet pinched in the seat.
Page 64 03 SIENNA_U (L/O 0207) —Removing third seats BEFORE REMOVING THIRD SEAT REMOVING THIRD SEAT z Make sure to stow the third center Stow the third center seat belt as 1. Lower the head restraint to the low- seat belt in order not to cause dam- shown in the illustration.
Page 65 03 SIENNA_U (L/O 0207) 2. Slide the seat to the rear−most posi- 3. Lift the seatback angle adjusting le- 4. Pull the center handle (1) up while tion. ver (1) or press the lever (2) behind holding up the left side lever (2) un- the seatback and fold the seatback der the seat, lift the seat and remove down.
Page 66 03 SIENNA_U (L/O 0207) CAUTION CAUTION When removing or reinstalling the To prevent personal injury in a colli- seat, observe the following to prevent sion or sudden stop: personal injury: You must install the removed seat Be careful not to get your hands or back in its original position.
Page 67: Head Restraints
03 SIENNA_U (L/O 0207) Head restraints For your safety and comfort, adjust the head restraint before driving. To raise: Pull it up. To lower: Push it down while pressing the lock release button. On some models, you can also move the head restraint forward or backward.
Page 68: Armrests
03 SIENNA_U (L/O 0207) Armrests Seat heaters CAUTION Occupants must use caution when op- erating the seat heater because it may make them feel too hot or cause burns at low temperatures (erythema, varicella). Use extra caution for; Babies, small children, elderly per- sons, sick persons or handicapped persons Persons who have delicate skin...
Page 69: Seat Belts
03 SIENNA_U (L/O 0207) Seat belts— —Seat belt precautions Toyota strongly urges that the driver and Do not allow the child to stand up or NOTICE passengers in the vehicle be properly re- kneel on either rear or front seats. An...
Page 70 03 SIENNA_U (L/O 0207) —Front seat belts and rear outside seat belts CAUTION Keep the belts clean and dry. If they need cleaning, use a mild soap Persons should ride in their seats solution or lukewarm water. Never use bleach, dye, or abrasive clean- properly wearing their...
Page 71 If the seat belt does not function normally, immediately contact your Toyota dealer. Do not use the seat until the seat belt is fixed. It cannot protect an adult occupant or your child from injury. 2003 MY SIENNA (OM45410U)
Page 72 03 SIENNA_U (L/O 0207) CAUTION Take up Both high−positioned lap belts and slack loose−fitting belts could cause seri- ous injuries due to sliding under Too high the lap belt during a collision or other unintended result. Keep the lap belt positioned as low on hips as possible.
Page 73 03 SIENNA_U (L/O 0207) CAUTION Make sure the both buckles are cor- rectly located and securely latched. Failure to properly match the buckle and tab may cause serious injury in case of an accident or a collision. RIGHT SIDE SEAT BELT FOR SECOND Two buckles and tabs for second right BENCH SEAT side seat belt...
Page 74 03 SIENNA_U (L/O 0207) To release the concave end tab (1), press The second right side seat belt can be CAUTION the buckle−release button with the round stored when it is retracted. end tab (2). To store the seat belt, clip the belt with Do not use the second right side seat the clip at the belt tab as shown in the belt with either buckle released.
Page 75 If the seat belt does not function normally, immediately contact your Keep as low on hips as possible Toyota dealer. Do not use the seat until the seat belt is fixed. It cannot Sit up straight and well back in the...
Page 76 Please contact your local Toyota dealer so nally intended. that the dealer can order the proper re- quired length for the extender. Bring the heaviest coat you expect to wear for prop- er measurement and selection of length.
Page 77 If the seat belt does not function normally, immediately contact your Toyota dealer. Do not use the seat To connect the extender to the seat The driver and front passenger’s seat until the seat belt is fixed. It cannot...
Page 78 4. Airbag sensor assembly ries. Consult your Toyota dealer pretensioner assemblies, inflators, warning The front seat belt pretensioners are con- about any repairs and modifications. light, interconnecting wiring and power trolled by the airbag sensor assembly.
Page 79 Repairs on or near the front seat belt pretensioner assemblies This front seat belt pretensioner system If the following cases, contact your Toyota z Modification of the suspension sys- has a service reminder indicator to inform dealer as soon as possible: the driver of operating problems.
Page 80: Srs Driver Airbag And Front Passenger Airbag
Toyota strongly recommends that: The driver sit as far back as pos- The SRS (Supplemental Restraint Sys- This indicator comes on when the igni-...
Page 81 03 SIENNA_U (L/O 0207) However, this threshold velocity will be considerably higher if the vehicle strikes an object, such as a parked vehicle or sign pole, which can move or deform on impact, or if it is involved in an underride collision (e.g.
Page 82 03 SIENNA_U (L/O 0207) In a severe frontal impact, the sensor de- tects deceleration and the system triggers the airbag inflators. At this time a chemi- cal reaction in the inflators quickly fills the airbags with non−toxic gas to help restrain Hitting a curb, edge Falling into or the forward motion of the occupants.
Page 83 Toyota tems. The front seat occupants can be killed or seriously injured by the strongly recommends that all in- inflating airbags if they do not wear...
Page 84 03 SIENNA_U (L/O 0207) On vehicles with side airbags, do not allow the child to lean against the front door or around the front door even if the child is seated in the child restraint system. It is dan- gerous if the side airbags inflate, because the impact could cause...
Page 85 03 SIENNA_U (L/O 0207) Do not sit on the edge of the seat Do not allow a child to stand up or Do not put objects or your pets on or lean over the dashboard when to kneel on the front passenger or in front of the dashboard or the vehicle is in use, since the seat, since the front airbag inflates...
Page 86 Attachment of a grille guard (bull indicates a malfunction of the airbags. bar, kangaroo bar, etc.), snowplow, Contact your Toyota dealer as soon as winches or any other equipment to possible to service the vehicle. the front end...
Page 87: Srs Side Airbags
SRS side airbags NOTICE Do not disconnect the battery cables before contacting your Toyota dealer. In the following cases, contact your Toyota The SRS (Supplemental Restraint Sys- dealer as soon as possible: tem) side airbags are designed to pro- vide further protection for the driver...
Page 88 03 SIENNA_U (L/O 0207) Your vehicle is equipped with a crash sensing and diagnostic module, which will record the use of the seat belt restraint system by the driver and front passenger when the SRS side airbags are inflated. CAUTION SRS side airbags inflate with consid- erable force.
Page 89 03 SIENNA_U (L/O 0207) In a severe side impact, the side airbag sensor triggers the side airbag inflators. At this time a chemical reaction in the inflators quickly fills the airbags with non− toxic gas to help restrain the lateral mo- Collision from the rear tion of the occupants.
Page 90 Toyota belt systems. To ensure maximum protection in an accident, the driver strongly recommends that all in- and all passengers in the vehicle fants and children be placed in the rear seat of the vehicle and proper- must wear their seat belts properly.
Page 91 Do not attach a cup holder or any z Modification of the side structure of Consult your Toyota dealer about any other device or object on or around the passenger compartment repairs and modifications.
Page 92 Toyota dealer. This side airbag system has In the following cases, contact your Toyota service reminder indicator to inform the dealer as soon as possible: driver of operating problems. If either of The SRS side airbags have been in-...
Page 93: Child Restraint
03 SIENNA_U (L/O 0207) Child restraint— —Child restraint precautions Toyota strongly urges the use of child CAUTION Unless it is unavoidable, do not restraint systems children small install a child restraint system on enough to use them. For effective protection in automo- the front seat.
Page 94 03 SIENNA_U (L/O 0207) —Child restraint system A child restraint system for a small CAUTION After installing the child restraint child or baby must itself be properly system, make sure it is secured in restrained on the seat with either the Never install a rear−facing child re- place following the manufacturer’s lap belt or the lap portion of the lap/...
Page 95 03 SIENNA_U (L/O 0207) —Built−in child restraint (bench type second seat) The built−in child restraint system mainly consists of two child seats integrated in the bench type second seat with 5−point seat belts. Refer to the illustration to be- come familiar with the parts of the sys- tem.
Page 96 03 SIENNA_U (L/O 0207) This child restraint is designed for use CAUTION Keep the belts clean and dry. If only by children who weigh between 10 they need cleaning, use a mild soap and 18 kg (22.1 and 39.5 lb.) and whose Make sure the child is securely re- solution or lukewarm water.
Page 97 03 SIENNA_U (L/O 0207) 1. Bring the seat to the upright posi- 2. Lower the child seat cushion. 3. While lifting the seat belt adjustment tion and raise the armrest. Move the lever in the child seat back panel, head restraint to the fully down and pull both shoulder belts together.
Page 98 03 SIENNA_U (L/O 0207) 4. Compress the shoulder belt clip to 5. Pull down the seatback part of the 6. Press the removable pad against the separate the right and left shoulder removable pad. Make sure the child’s Velcros and install the pad to the belts.
Page 99 Contact your Toyota dealer immediately. Do not use the built−in child restraint until the seat belt is fixed. 7. Sit the child on the child seat. Place 8. Fasten the shoulder belt clip. a shoulder belt over each shoulder.
Page 100 03 SIENNA_U (L/O 0207) 9. Lift the seat belt adjusting lever to 10. To release the child from the seat 11. To store the built−in child restraint, allow the belts to retract until the belts, separate the shoulder belts, fasten the shoulder belt clip and re- shoulder belts are snugly adjusted then press the buckle release button.
Page 101 03 SIENNA_U (L/O 0207) —Types of child restraint system Child restraint systems are classified into the following 3 types depending on the child’s age and size. (A) Infant seat (B) Convertible seat (C) Booster seat Install the child restraint system following the instructions provided by its manufac- turer.
Page 102 03 SIENNA_U (L/O 0207) —Installation with 2−point type seat belt Same position Same angle (A) INFANT SEAT INSTALLATION CAUTION When installing a child restraint An infant seat is used in rear−facing system the third seat center position only. Do not install a child restraint sys- position, adjust both seat cushions tem on the third seat if it interferes to the same position and align both...
Page 103 Contact your Toyota dealer immediately. Do not 1. Run the center lap belt through or 2. While pressing the infant seat firmly use the child restraint system until around the infant seat following the against the seat cushion and seatback, the seat belt is fixed.
Page 104 03 SIENNA_U (L/O 0207) 3. To remove the infant seat, press the (B) CONVERTIBLE SEAT INSTALLATION CAUTION buckle−release button. A convertible seat is used in forward− facing and rear−facing position depend- Push and pull the child restraint sys- ing on the child’s age and size. When tem in different directions to be sure installing, follow the manufacturer’s in- it is secure.
Page 105 03 SIENNA_U (L/O 0207) Same position Same angle 1. Run the center lap belt through or CAUTION When installing a child restraint around the convertible seat following system the third seat center instructions provided Do not install a child restraint sys- position, adjust both seat cushions manufacturer and insert the tab into tem on the third seat if it interferes...
Page 106 Contact your Toyota dealer immediately. Do not 2. While pressing convertible seat use the child restraint system until CAUTION firmly against the seat cushion and the seat belt is fixed. seatback, tighten the lap belt by pulling...
Page 107 03 SIENNA_U (L/O 0207) —Installation with 3−point type seat belt 3. To remove the convertible seat, press (A) INFANT SEAT INSTALLATION CAUTION the buckle−release button. An infant seat is used in rear−facing position only. Never install a rear−facing child re- straint system on the front passen- ger seat because the force of the rapid inflation of the front passen-...
Page 108 Contact your 1. Run the lap and shoulder belt through Toyota dealer immediately. Do not Do not install a child restraint sys- or around the infant seat following the use the child restraint system until tem on the second (or third) seat if instructions provided by its manufactur- the seat belt is fixed.
Page 109 03 SIENNA_U (L/O 0207) 2. Fully extend the shoulder belt to put it 3. While pressing the infant seat firmly CAUTION in the lock mode. When the belt is against the seat cushion and seatback, then retracted even slightly, it cannot let the shoulder belt retract as far as Push and pull the child restraint sys- be extended.
Page 110 03 SIENNA_U (L/O 0207) 4. To remove the infant seat, press the (B) CONVERTIBLE SEAT INSTALLATION CAUTION buckle−release button and allow the A convertible seat is used in forward− belt to retract completely. The belt will facing or rear−facing position depend- Never install a rear−facing child re- move freely again and be ready to ing on the child’s age and size.
Page 111 03 SIENNA_U (L/O 0207) On vehicles with side airbags, do not allow the child to lean against the front door or around the front door even if the child is seated in the child restraint system. It is dan- gerous if the side airbags inflate, because the impact could cause...
Page 112 1. Run the lap and shoulder belt through 2. Fully extend the shoulder belt to put it Toyota dealer immediately. Do not or around the convertible seat following in the lock mode. When the belt is use the child restraint system until...
Page 113 03 SIENNA_U (L/O 0207) 3. While pressing convertible seat 4. To remove the convertible seat, press CAUTION firmly against the seat cushion and the buckle−release button and allow the seatback, let the shoulder belt retract belt to retract completely. The belt will Push and pull the child restraint sys- as far as it will go to hold the convert- move freely again and be ready to...
Page 114 03 SIENNA_U (L/O 0207) CAUTION A forward−facing child restraint sys- should allowed installed on front passenger seat only when it is unavoidable. Always move the seat as far back as possible, because the force of the deploying front passenger air- bag could cause death or serious injury to the child.
Page 115 Always make sure the shoulder belt child from injury. Contact your Toyota dealer immediately. Do not is positioned across the center of child’s shoulder. The belt should be use the child restraint system until kept away from child’s neck, but the seat belt is fixed.
Page 116 03 SIENNA_U (L/O 0207) —Using a top strap Follow the procedure below for a child restraint system that requires the use of a top strap. Second seat (left side only) 2. To remove the child restraint system, press the buckle−release button and al- low the belt to retract.
Page 117 03 SIENNA_U (L/O 0207) Anchor brackets Second seat (left side only) Second seat (left side only): Use the an- TO USE THE ANCHOR BRACKET: chor bracket on the floor to attach the top 1. Remove the head restraint. strap. Anchor bracket is installed for left side second seat.
Page 118 03 SIENNA_U (L/O 0207) —Installation with child restraint lower anchorages 2. Fix the child restraint system with the seat belt. Latch hook onto the anchor bracket and tighten the top strap. Second seat (left side only)—Before latch- ing the hook, make sure the anchor brack- et is in the correct direction as shown in the illustration.
Page 119 03 SIENNA_U (L/O 0207) Third seat (right side only) The lower anchorages for the child re- straint system interfaced with FMVSS225 specification are installed in the rear seat. The anchorages are installed in the clear- ance between the seat cushion and seat- back of the rear seat as shown in the illustration.
Page 120 03 SIENNA_U (L/O 0207) Tilt steering wheel CHILD RESTRAINT SYSTEM CAUTION INSTALLATION Type A— When using the lower anchorages 1. Widen the clearance between for the child restraint system, be seat cushion and seatback a little sure that there are no irregular ob- and confirm the position of the low- jects around the anchorages or that er anchorages in the seat cushion.
Page 121 03 SIENNA_U (L/O 0207) Outside rear view mirrors— CAUTION CAUTION Do not adjust the steering wheel Do not adjust the mirror while the while the vehicle is moving. Doing vehicle is moving. Doing so may so may cause the driver to mishan- cause the driver to mishandle the dle the vehicle and an accident may vehicle and an accident may occur...
Page 122 03 SIENNA_U (L/O 0207) —Power rear view mirror control —Folding rear view mirrors NOTICE If ice should jam the mirror, do not operate the control or scrape the mir- ror face. Use a spray de−icer to free the mirror. To adjust a mirror, use the switches. The rear view mirrors can be folded backward parking...
Page 123 03 SIENNA_U (L/O 0207) Anti−glare inside rear view Auto anti−glare inside rear mirror view mirror CAUTION Do not adjust the mirror while the vehicle is moving. Doing so may cause the driver to mishandle the ve- hicle and an accident may occur re- sulting in death or serious injuries.
Page 124: Sun Visors
03 SIENNA_U (L/O 0207) Sun visors— In automatic function mode, if the mirror detects light from the headlights of the vehicle behind you, the mirror surface darkens slightly to reduce the reflected light. To turn off the automatic function, push the “MIRROR”...
Page 125: Vanity Mirrors
03 SIENNA_U (L/O 0207) —Vanity mirrors You can cancel the cut off operation by: CAUTION Turning the key to the “ACC” position. Opening or closing any of front and Do not extend the plate at the end of sliding doors. the sun visor when the visor is in the position 1.
Page 126 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 127 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Lights, Wipers and Defogger Headlights and turn signals ........Emergency flashers .
Page 128: Headlights And Turn Signals
03 SIENNA_U (L/O 0207) Headlights and turn signals (without automatic light control system) NOTICE To prevent the battery from being dis- charged, do not leave the lights on for a long period when the engine is not running. Daytime running light system The headlights turn on at reduced intensi- ty when the parking brake is released with the engine started, even with the light...
Page 129 03 SIENNA_U (L/O 0207) Headlights and turn signals (with automatic light control system) TURN SIGNALS HEADLIGHTS The automatic light control sensor is on the top of the driver’s side instrument To signal a turn, push the headlight/ To turn on the following lights: Twist panel.
Page 130 03 SIENNA_U (L/O 0207) The lights automatically turn off when ei- ther front doors sliding doors are opened with the ignition key in the “ACC” “LOCK” position. To turn them on again, turn the key to the “ON” position or actuate the headlight switch. If you are going to park for over one week, make sure the headlight switch is off.
Page 131: Emergency Flashers
03 SIENNA_U (L/O 0207) Emergency flashers Instrument panel light control NOTICE To prevent the battery from being dis- charged, do not leave the switch on longer than necessary when the en- gine is not running. To turn on the emergency flashers, To adjust the brightness of the instru- push the switch.
Page 132: Front Fog Lights
03 SIENNA_U (L/O 0207) Front fog lights Personal lights Front (with moon roof) Center To turn on the front fog lights, twist the band of the headlight and turn sig- The personal lights operate separately nal switch lever. They will come on with each lens.
Page 133: Interior Light
03 SIENNA_U (L/O 0207) Interior light ILLUMINATED ENTRY SYSTEM PERSONAL LIGHTS OPERATION Front (with moon roof)— The light comes on when either front or When the ignition switch is “OFF” and any sliding doors are opened. After all the personal lights in the vehicle stay lighting doors are closed, the light remains on for on, the lights will cut off automatically about 15 seconds and then goes out.
Page 134 03 SIENNA_U (L/O 0207) Front— ILLUMINATED ENTRY SYSTEM INTERIOR LIGHTS CUT OFF OPERATION (with power door lock system) To turn on the front interior light, push When the ignition switch is “OFF” and any the switch. Front and center— interior lights in the vehicle stay lighting With the switch in the “DOOR”...
Page 135: Ignition Switch Light
03 SIENNA_U (L/O 0207) Ignition switch light Luggage compartment light When the driver’s door is unlocked with a key, the light comes on for 15 seconds, even if the doors are not opened. IGNITION SWITCH LIGHT OPERATION When the ignition switch is “OFF” and ignition switch light in the vehicle stays lighting on, the light will cut off automati- cally after 30 minutes.
Page 136: Windshield Wipers And Washer
03 SIENNA_U (L/O 0207) Windshield wipers and washer LUGGAGE COMPARTMENT LIGHT CUT To squirt washer fluid, pull the lever OFF OPERATION toward you. When the ignition switch is “OFF” and If the windshield wipers are off, they will luggage compartment light in the vehicle operate a couple of times after the washer stays lighting on, the light will cut off au- squirts.
Page 137: Rear Window Wiper And Washer
03 SIENNA_U (L/O 0207) Rear window wiper and Rear window and outside rear washer view mirror defoggers NOTICE Do not operate the rear wiper if the rear window is dry. It may scratch the glass. With manual air conditioning controls To turn on the rear window wiper, twist the lever knob upward.
Page 138 03 SIENNA_U (L/O 0207) To defog or defrost the rear window, If the outside rear view mirrors are heavi- push the switch. ly coated with ice, use a spray de−icer before operating the switch. The key must be in the “ON” position. The thin heater wires on the inside of the NOTICE rear window will quickly clear the window...
Page 139 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Gauges, Meters and Service reminder indicators Fuel gauge ..........Engine coolant temperature gauge .
Page 140: Fuel Gauge
The indicator lamp goes off after driving several times. If the indicator lamp does not go off, contact your Toyota dealer as soon as possible. Without tachometer Without tachometer 2003 MY SIENNA (OM45410U)
Page 141: Tachometer
03 SIENNA_U (L/O 0207) Tachometer The gauge indicates the engine coolant NOTICE temperature when the ignition switch is on. The engine operating temperature z Do not remove the thermostat in will vary with changes in weather and the engine cooling system as this engine load.
Page 142: Odometer And Two Trip Meters
03 SIENNA_U (L/O 0207) Odometer and two trip meters This meter displays the odometer and two trip meters. 1. Odometer—It shows the total distance the vehicle has been driven. 2. Two trip meters—Show two different distances independently driven since the last time each trip meter was set to zero.
Page 143: Service Reminder Indicators And Warning Buzzers
03 SIENNA_U (L/O 0207) Service reminder indicators and warning buzzers If the indicator or buzzer comes on... Do this. If parking brake is off, stop immediately and contact Toyota dealer. Fasten driver’s seat belt. (indicator and buzzer) Fasten front passenger’s seat belt.
Page 144 If the indicator or buzzer comes on... Do this. Stop and check. Take vehicle to Toyota dealer. If brake system warning light is also on, stop immediately and contact Toyota dealer. Close all doors. Close the power sliding door. (indicator and buzzer) Take vehicle to Toyota dealer immediately.
Page 145 03 SIENNA_U (L/O 0207) If the indicator or buzzer comes on... Do this. Adjust tire pressure. Key reminder buzzer Remove key. 2003 MY SIENNA (OM45410U)
Page 146 Toyota dealer in the following case: In this case, not only the anti−lock light may not flash even when the seat brake system will fail but also the The light does not come on even if the belt is not buckled up.
Page 147 Light If the fuel tank is not empty or the fuel the nearest Toyota dealer or repair shop. tank cap is not loose... This light warns that the engine oil pres- sure is too low.
Page 148 Contact your warning light on—even for one block. (j) Open Power Sliding Door Warning Toyota dealer as soon as possible to It may ruin the engine. Light and Buzzer service the vehicle. This light comes on if the power sliding The light does not come on when the (h) “ABS”...
Page 149 If either of the following conditions occurs, functioning properly. In the following cases, contact your Toyota this indicates a malfunction somewhere in dealer: If the light comes on while driving, adjust the parts monitored by the warning light tire pressure to the specified level.
Page 150 The open door warning light should go ing buzzer does not function as described off. above, have it checked by your Toyota dealer as soon as possible. 4. Turn the ignition key to “ACC”. The SRS warning light should come on.
Page 151 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Ignition switch, Transmission and Parking brake Ignition switch with steering lock ......Automatic transmission .
Page 152: Ignition Switch With Steering Lock
03 SIENNA_U (L/O 0207) Ignition switch with steering lock You must push in the key to turn the key from “ACC” to the “LOCK” position. The selector lever must be put in the “P” posi- tion before pushing the key. Vehicles with engine immobiliser system—...
Page 153: Automatic Transmission
03 SIENNA_U (L/O 0207) Automatic transmission Your automatic transmission has a shift lock system to minimize the possibility of incorrect operation. This means you can Selector lever Overdrive switch only shift out of “P” position when the brake pedal is depressed (with the ignition switch in “ON”...
Page 154 03 SIENNA_U (L/O 0207) Vehicles with cruise control—When the 3. Release the parking brake and brake cruise control is being used, even if you pedal. Depress the accelerator pedal downshift the transmission by pushing and slowly for smooth starting. releasing overdrive switch, engine...
Page 155 03 SIENNA_U (L/O 0207) For ways to decrease the vehicle speed, (g) Parking NOTICE see “Cruise control” in this section. 1. Bring the vehicle to a complete stop. z Be careful not to over−rev the en- 2. With the brake pedal pressed down, CAUTION gine.
Page 156: Traction Control System
03 SIENNA_U (L/O 0207) Traction control system The traction control system automatical- CAUTION ly helps prevent the spinning of front wheels when the vehicle is started or Always keep your foot on the brake accelerated on slippery road surfaces. pedal while stopped with the engine When the ignition key is turned to “ON”, running.
Page 157 “TRAC OFF” switch to front wheels. At this time, the slip indi- turn off the system. cator light blinks. In the following cases, contact your Toyota You may feel vibration or noise in your dealer: vehicle, caused by operation of the brakes.
Page 158: Vehicle Skid Control System
03 SIENNA_U (L/O 0207) Vehicle skid control system In the following cases, contact your Toyota The vehicle skid control system helps dealer: provide integrated control of the sys- tems such as an anti−lock brake sys- The warning light does not come on tem, brake assist system, traction con- after the ignition key is turned to “ON”.
Page 159 When replacing the tires or wheels, to “ON”. If the indicator light does not a few seconds. contact your Toyota dealer. (See come on when the ignition is turned on, “Checking and replacing tires” in If the light comes on while driving, the contact your Toyota dealer.
Page 160: Tire Pressure Warning System
03 SIENNA_U (L/O 0207) Tire pressure warning system In the following cases, contact your Toyota The tire pressure warning system is de- dealer: signed to provide warning when tire pressure of any one of the tires is criti- The warning light does not come on cally reduced while the vehicle is mov- after the ignition key is turned to “ON”.
Page 161 5 minutes. follows. reset switch, have the low pressure warn- 1. Park the vehicle at a safe place and ing system checked at your Toyota dealer. apply the parking brake. Stop the en- gine. 2. Adjust pressures of all the installed tires to the specified level.
Page 162: Parking Brake
03 SIENNA_U (L/O 0207) Parking brake Cruise control When parking, firmly apply the parking The cruise control allows you to cruise brake to avoid inadvertent creeping. the vehicle at a desired speed over 40 km/h (25 mph) even with your foot off To set: Fully depress the parking brake the accelerator pedal.
Page 163 Toyota deal- speed, or tap it down for a slower speed. er at the earliest opportunity. CAUTION Each tap changes the set speed by 1.6...
Page 164 If this is the case, contact your Toyota the brake pedal. If you use the brake dealer and have your vehicle inspected. pedal, cruise control is cancelled.
Page 165 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Car audio system Reference ..........Using your audio system .
Page 166: Reference
03 SIENNA_U (L/O 0207) Reference Type 1−1: AM·FM ETR radio/cassette play- Type 1−2: AM·FM ETR radio/cassette play- Type 2: AM·FM ETR radio/cassette player/ er/compact disc player (with compact disc er/compact disc player (with compact disc compact disc auto changer auto changer controller) auto changer controller) 2003 MY SIENNA (OM45410U)
Page 167: Using Your Audio System
—Some basics This section describes some of the basic TONE AND BALANCE YOUR RADIO ANTENNA features on Toyota audio systems. Some For details about your system’s tone and Mast type antenna—To remove an anten- information may not pertain to your sys- balance controls, see the description of na, carefully turn it counterclockwise.
Page 168 03 SIENNA_U (L/O 0207) YOUR COMPACT DISC PLAYER (type YOUR COMPACT DISC AUTO CHANGER 1−1 and 1−2) (type 2) When you insert a disc, gently push it in When you insert a disc, push the “LOAD” with the label side up. (The player will button and gently push the disc in with automatically eject a disc if the label side the label side up.
Page 169 03 SIENNA_U (L/O 0207) —Controls and features "Type 1−1 Details of specific buttons, controls, and features are described in the alphabetical listing that follows. 2003 MY SIENNA (OM45410U)
Page 170 03 SIENNA_U (L/O 0207) "Type 1−2 Details of specific buttons, controls, and features are described in the alphabetical listing that follows. 2003 MY SIENNA (OM45410U)
Page 171 03 SIENNA_U (L/O 0207) 1 2 3 4 5 6 (Preset buttons) Compact Disc Player (Program) These buttons are used to preset and If you want to fast forward or reverse Push “ ” to select the other side of a tune in radio stations.
Page 172 If the malfunction is not rectified, take your preference. track and disc number currently being your vehicle to your Toyota dealer. played. Each time you push “CD”, the The display will show the range from CONTROL / MODE (Audio control and system changes to the automatic changer.
Page 173 03 SIENNA_U (L/O 0207) high−pitch tone adjustment, push DISC FM1·2 “CONTROL MODE” repeatedly until Compact disc auto changer only— Push “FM1·2” to turn on the radio and “TRE” appears on the display. Then turn select the FM band. “FM1” or “FM2” will By using this button, you can select a the knob to suit your preference.
Page 174 03 SIENNA_U (L/O 0207) Compact disc auto changer only— Compact Disc Player SCAN To randomly play all the tracks in the There are two repeat features—You can Radio magazine: either replay a disc track or a whole com- You can either scan all the frequencies on pact disc.
Page 175 03 SIENNA_U (L/O 0207) Compact disc player SEEK (Seeking) If you have pushed the track button more than you wanted to, push the other side There are two scan features—you can ei- Radio of the button. The track number will be ther scan the tracks on a specific disc or In the seek mode, the radio finds and reduced.
Page 176 TUNE (Tuning) Your Toyota has an electronic tuning radio (ETR). Turn the knob clockwise to step up the frequency. Turn the knob counterclock- wise to step down the frequency.
Page 177 03 SIENNA_U (L/O 0207) "Type 2 Details of specific buttons, controls, and features are described in the alphabetical listing that follows. 2003 MY SIENNA (OM45410U)
Page 178 03 SIENNA_U (L/O 0207) 1 2 3 4 5 6 (Preset buttons) Compact disc (Program) These buttons are used to preset and To eject one compact disc only: Push and Push “ ” to select the other side of a tune in radio stations.
Page 179 If the malfunction is not rectified, take When the audio is set into compact disc your vehicle to your Toyota dealer. The display will show the range from operation, the display shows the track or, “TRE −5”...
Page 180 03 SIENNA_U (L/O 0207) ∗ Sound balance adjustment function— LOAD Dolbyr B NR This knob is also used to adjust the This button is used to load the compact If you are listening to a tape that was sound balance between the front and rear, discs in the compact disc auto changer recorded with Dolbyr B Noise Reduction, and the right and left speakers.
Page 181 03 SIENNA_U (L/O 0207) Loading multiple compact discs— To randomly play the tracks on a disc: Compact Disc Player Quickly push and release “ ”. “ ” To load multiple compact discs, push and There are two repeat features—You can will appear on the display.
Page 182 03 SIENNA_U (L/O 0207) SCAN Compact disc player SEEK (Seeking) Radio There are two scan features—you can ei- Radio ther scan the tracks on a specific disc or You can either scan all the frequencies on In the seek mode, the radio finds and scan the first tracks of all the discs in the a band or scan only the preset stations plays the next station up or down the...
Page 183 TUNE (Tuning) ST (Stereo reception) display Your Toyota has an electronic tuning radio Your radio automatically changes to stereo (ETR). Turn the knob clockwise to step up reception when a stereo broadcast is re- the frequency.
Page 184: Audio Remote Controls
03 SIENNA_U (L/O 0207) Audio remote controls Some parts of the audio system can be adjusted with the buttons on the steering wheel. Details of the specific buttons, controls, and features are described below. 1. “ ” and “VOL ” Buttons 2.
Page 185 03 SIENNA_U (L/O 0207) 1. “ ” and “VOL ” Buttons (Volume Push the “n” or “o” side of the button. There must be at least 3 seconds of blank Up/Down) “FF 1” or “REW 1” will appear on the space between tracks for the track button display.
Page 186: Car Audio System Operating Hints
03 SIENNA_U (L/O 0207) Car audio system operating hints Here are some common reception prob- NOTICE lems that probably do not indicate a prob- Fading—AM broadcasts are reflected by lem with your radio: To ensure correct audio system op- the upper atmosphere—especially at night. erations: These reflected signals can interfere with those received directly from the radio sta-...
Page 187 03 SIENNA_U (L/O 0207) Use high−quality cassettes. CARING FOR YOUR COMPACT DISC PLAYER AND DISCS Low−quality cassette tapes can cause many problems, including poor sound, Your compact disc player is intended inconsistent playing speed, for use with 12 cm (4.7 in.) discs only. constant auto−reversing.
Page 188 03 SIENNA_U (L/O 0207) Correct Wrong Special shaped discs Labeled discs Handle compact discs carefully, espe- cially when you are inserting them. Hold them on the edge and do not NOTICE bend them. Avoid getting fingerprints on them, particularly on the shiny side. To prevent damage to the changer or player, do not use special shaped, low Dirt, scrapes, warping, pin holes, or...
Page 189 03 SIENNA_U (L/O 0207) To clean a compact disc: Wipe it with a soft, lint−free cloth that has been damp- ened with water. Wipe in a straight line from the center to the edge of the disc (not in circles). Dry it with another soft, lint−free cloth.
Page 190 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 191 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Air conditioning system Front manual air conditioning system Controls ..........Air flow selector settings .
Page 192 03 SIENNA_U (L/O 0207) Front manual air conditioning system— —Controls 1. Temperature selector 2. Air intake selector 3. Air flow selector 4. “A/C” button 5. Fan speed selector 2003 MY SIENNA (OM45410U)
Page 193 03 SIENNA_U (L/O 0207) Fan speed selector This position allows the air intake to select FRESH automatically. This is to Turn the knob to adjust the fan speed—to clean up the front view more quickly. the right to increase, to the left to de- crease.
Page 194 To turn the air source to FRESH shuts off. If this happens, take your ve- mode, press the button again. The indica- hicle to a Toyota dealer for service. tor will go off. To prevent fogging up of the windshield,...
Page 195: Air Flow Selector Settings
03 SIENNA_U (L/O 0207) —Air flow selector settings —Operating tips To cool off your Toyota after it has been parked in the hot sun, drive with the windows open for a few minutes. This vents the hot air, allowing the air conditioning to cool the interior more quickly.
Page 196 03 SIENNA_U (L/O 0207) If following another vehicle on a dusty Air conditioning Defogging road, or driving in windy and dusty For best results, set controls to: The inside of the windshield conditions, it is recommended that the For best results, set controls to: air intake selector be temporarily set to Fan speed—Any setting except “OFF”...
Page 197 03 SIENNA_U (L/O 0207) Defrosting The outside of the windshield For best results, set controls to: Fan speed—Any setting except “OFF” Temperature—Towards WARM (red zone) Air intake—FRESH (outside air) Air flow—WINDSHIELD Turning the air flow selector to the wind- shield or floor/windshield position turns on the defrosting function with the purpose of clearing the front view.
Page 198: Front Automatic Air Conditioning System Controls
03 SIENNA_U (L/O 0207) Front automatic air conditioning system— —Controls 1. “A/C” button 2. “MODE” button (air flow selector) 3. Fan speed selector 4. Windshield air flow button 5. Temperature selector 6. Air intake selector 7. “AUTO” button 8. “OFF” button 2003 MY SIENNA (OM45410U)
Page 199 03 SIENNA_U (L/O 0207) “AUTO” button Temperature selector For automatic operation of the air condi- To increase the temperature, press the “ ” side, to decrease it, press the “ ” tioning, press the “AUTO” button. An indi- side. cator light will illuminate to show that the automatic operation mode has been se- “MAX COLD”...
Page 200 If this happens, take your ve- to return the setting to RECIRCULATE mode, press the air intake selector button hicle to a Toyota dealer for service. once again. Press the “A/C” button for dehumidified heating or cooling. This setting clears the front view more quickly.
Page 201: Air Flow Selector Settings
03 SIENNA_U (L/O 0207) —Air flow selector settings —Operating tips To cool off your Toyota after it has been parked in the hot sun, drive with the windows open for a few minutes. This vents the hot air, allowing the air conditioning to cool the interior more quickly.
Page 202 03 SIENNA_U (L/O 0207) If following another vehicle on a dusty For quick heating, select recirculated For quick cooling, select recirculated road, or driving in windy and dusty air for a few minutes. To keep the air for a few minutes. conditions, it is recommended that the windows from fogging, select fresh af- Ventilation...
Page 203 03 SIENNA_U (L/O 0207) Defogging When pressing the windshield air flow but- For manual operation— ton, the air intake selects FRESH auto- The inside of the windshield Fan speed—To the desired fan speed matically. This is to clean up the front For best results, set controls to: Temperature—Towards high temperature view more quickly.
Page 204: Side Vents
03 SIENNA_U (L/O 0207) Side vents If air flow control is not satisfactory, check the side vents. The side vents may be opened or closed as shown. Driver’s side Passenger’s side 2003 MY SIENNA (OM45410U)
Page 205: Rear Manual Air Conditioning System Controls
03 SIENNA_U (L/O 0207) Rear manual air conditioning system— —Controls 1. Fan speed selector (front) 2. Fan speed selector (rear) 3. Temperature selector 4. Air flow selector 2003 MY SIENNA (OM45410U)
Page 206: Air Flow Selector Settings
03 SIENNA_U (L/O 0207) —Air flow selector settings Fan speed selector (front) To turn the rear air conditioning system on/off and adjust the fan speed. To turn the “REAR” position—You can op- erate the rear air conditioning system by the rear controller. Turn the knob to adjust the fan speed—to the right to increase, to the left to de- crease.
Page 207: Rear Automatic Air Conditioning System Controls
03 SIENNA_U (L/O 0207) Rear automatic air conditioning system— —Controls 1. Fan position selector 2. Fan speed selector 3. Temperature selector 2003 MY SIENNA (OM45410U)
Page 208: Roof Vents
03 SIENNA_U (L/O 0207) Roof vents Fan position selector Temperature selector “OFF”—You can turn off the rear air con- Turn the knob to adjust the tempera- ditioning. ture—to the right to warm, to the left to cool. “REAR”—You can operate the rear air conditioning system by the rear controller.
Page 209 03 SIENNA_U (L/O 0207) SECTION − OPERATION OF INSTRUMENTS AND CONTROLS Other equipment Clock ............Outside temperature gauge .
Page 210: Clock
03 SIENNA_U (L/O 0207) Clock Outside temperature gauge Cigarette lighter and ashtrays Cigarette lighter and front ashtray The digital clock indicates the time. The outside temperature display indi- cates the outside air temperature when The key must be in the “ACC” or “ON” you push the “OUT SIDE TEMP”...
Page 211: Power Outlets
If the engine is not running, the key must be in the “ACC” position. Do not hold the cigarette lighter pressed Use a Toyota genuine cigarette lighter or equivalent for replacement. Rear 2003 MY SIENNA (OM45410U)
Page 212: Glove Box
03 SIENNA_U (L/O 0207) Glove box Garage door opener The power outlets are designed for power supply for car accessories. The key must be in the “ACC” or “ON” position for the power outlets to be used. NOTICE z To prevent the fuse from being blown, do not use the electricity over the total vehicle capacity of...
Page 213 03 SIENNA_U (L/O 0207) (a) Programming the HomeLink 3. Simultaneously press hold Programming a rolling code system hand−held garage transmitter button The HomeLink in your vehicle has 3 your device “Rolling Code” along with the selected HomeLink but- buttons and you can store one program equipped, is necessary follow...
Page 214 To program other devices such as home 1. Decide which of the 3 HomeLink but- security systems, home door locks or tons you want to program. lighting, contact your authorized Toyota dealer for assistance. 2. Place your hand−held gate/device transmitter 25 to 75 mm (1 to 3 in.)
Page 215: Garage Door Opener Box
03 SIENNA_U (L/O 0207) Garage door opener box CAUTION FCC ID: CB2V94800 CANADA: 1763 102 264 When programming the HomeLink This device complies with FCC Rules Universal Transceiver, you may be Part 15. Operation is subject to the fol- operating a garage door or other lowing two conditions: (1) This device device.
Page 216 03 SIENNA_U (L/O 0207) Remove the paper strip covering the adhe- Please note if transmitter has wire clip for Place the transmitter with Velcro loop fac- sive on back side of loop and adhere loop sun visor, this clip must be removed prior ing inside of box into the box.
Page 217 03 SIENNA_U (L/O 0207) Remove spacers from the center panel. When the garage door opener transmitter If the center panel does not contact your Place the largest spacer on the pin that is properly installed, you can operate the garage door opener transmitter: would be below transmitter button when transmitter by pushing the center panel of Check to see if spacer is on the cor-...
Page 218 03 SIENNA_U (L/O 0207) CAUTION To reduce the chance of injury in case of an accident or a sudden stop, always keep the garage door opener box closed while driving. Keep the remaining spacers away from children. auxiliary garage door Installing the cover—...
Page 219: Compass
03 SIENNA_U (L/O 0207) Compass The compass indicates the direction The vehicle is in a place where the that the vehicle is heading. In the earth’s magnetic field is subject to in- above case, it shows that the vehicle is terference by artificial magnetic fields heading north.
Page 220 03 SIENNA_U (L/O 0207) Compass sensor CALIBRATING THE COMPASS (deviation calibration) The compass sensor is in the inside The direction display on the compass rear view mirror. deviates from the true direction deter- mined by the earth’s magnetic field. The NOTICE angle of deviation varies according to the Do not put magnets or a metal object...
Page 221 03 SIENNA_U (L/O 0207) After calibration, leaving the system for several seconds returns it to the compass Hawaii: 5 mode. Samoa: 5 Guam: 8 Saipan: 8 CAUTION Do not adjust the display while the vehicle is moving. Be sure to adjust the display only when the vehicle is stopped.
Page 222 03 SIENNA_U (L/O 0207) Perform circling calibration just after you have purchased your Toyota. And then always perform circling calibration after the battery has been removed, re- placed or disconnected. Do not perform circling calibration of the compass in a place where the earth’s magnetic field is subject to in-...
Page 223: Auxiliary Boxes
03 SIENNA_U (L/O 0207) Auxiliary boxes— —Front roof As these holders are designed for holding a light object such as an eyeglass, do not place any heavy objects in them. Heavy objects may cause the holder to open and con- tents to fly out resulting in injuries.
Page 224: Instrument Panel
03 SIENNA_U (L/O 0207) —Instrument panel —Front console —Rear lateral side To use the box, pull on the handle. To use the box, pull the lock release To use the box, pull up the lock release lever and open the lid. lever and open the lid.
Page 225: Cup Holder
03 SIENNA_U (L/O 0207) Cup holder Bottle holders CAUTION Do not place anything else other than cups or drink−cans in the cup holder, such items thrown about in the compartment and possibly injure people in the vehicle during sudden braking or in an accident.
Page 226: Juice Box Holder
03 SIENNA_U (L/O 0207) Juice box holder First−aid kit and warning (left and right side power reflector holder (right side sliding door models) power sliding door models) CAUTION Do not place anything else other than juice box on the juice box holder, such items...
Page 227: Floor Mat
03 SIENNA_U (L/O 0207) Floor mat FIRST−AID KIT AND WARNING REFLEC- Use a floor mat of the correct size. CAUTION TOR HOLDER If the floor carpet and floor mat have a This belt is designed to hold the first− hole, then it is designed for use with a Make sure the floor mat is properly aid kit and warning reflector.
Page 228 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 229 ........Your Toyota’s identification .
Page 230: Break−In Period
To help prevent gas station mix−ups, your to the future economy and long life of of premium unleaded gasoline with an Toyota has a smaller fuel tank opening. your vehicle: Octane Rating of 91 (Research Octane The special nozzle on pumps with un- Number 96) or higher is recommended.
Page 231 If you use gasohol in your clopentadienyl Manganese Tricarbonyl). els. In the U.S., category 3 has been Toyota, be sure that it has an octane Toyota does not recommend the use of adopted. The WWFC improves air quali- rating no lower than 87.
Page 232: Fuel Pump Shut Off System
Operation in foreign countries GASOLINE QUALITY The fuel pump shut off system stops sup- If you plan to drive your Toyota in plying fuel to the engine to minimize the another country... In a very few cases, you may experience...
Page 233: Three−Way Catalytic Converter
Do not drive with an extremely low vehicle in for a check−up as soon fuel level; running out of fuel could as possible. Remember, your Toyota cause the engine to misfire, creat- dealer knows your vehicle and its ing an excessive load on the three−...
Page 234: Engine Exhaust Cautions
03 SIENNA_U (L/O 0207) Facts about engine oil Engine exhaust cautions consumption FUNCTIONS OF ENGINE OIL CAUTION Keep the back door and quarter Engine oil has the primary functions of windows closed while driving. An lubricating and cooling the inside of the Avoid inhaling the engine exhaust.
Page 235: Iridium−Tipped Spark Plugs
Therefore, it eration. is essential that the oil level be checked regularly. Toyota recommends that the oil A new engine consumes more oil, since level be checked every time you refuel its pistons, piston rings and cylinder walls the vehicle.
Page 236: Brake System
03 SIENNA_U (L/O 0207) Brake system The tandem master cylinder brake system Effective way to press the ABS brake CAUTION is a hydraulic system with two separate pedal: When the anti−lock brake system sub−systems. If either sub−system should function is in action, you may feel the Do not pump the brake pedal if the fail, the other will still work.
Page 237 03 SIENNA_U (L/O 0207) When the anti−lock brake system is ac- CAUTION Driving on rough, gravel or snow− tivated, the following conditions may covered roads. occur. They do not indicate a malfunc- overestimate anti−lock tion of the system: Driving with tire chains installed. brake system: Although the anti−lock You may hear the anti−lock brake sys- Driving over the steps such as the...
Page 238 “ON” position. If the anti− the warning light system. Contact your lock brake system and the brake assist Toyota dealer as soon as possible to system work properly, the light turns off service the vehicle. after a few seconds. Thereafter, if either...
Page 239: Brake Pad Wear Limit Indicators
“Service reminder indicators checked and replaced by your Toyota possible. and warning buzzers” in Section 1−5. dealer as soon as possible. Expensive ro- tor damage can result if the pads are not Never allow anyone to ride in the replaced when necessary.
Page 240: Roof Luggage Carrier
03 SIENNA_U (L/O 0207) Roof luggage carrier Do not drive with objects left on CAUTION top of the instrument panel. They may interfere with the driver’s field When you load cargo on the roof lug- of view. Or they may move during gage carrier, observe the following: sharp vehicle acceleration or turn- Place the cargo so that its weight...
Page 241: Your Toyota's Identification
This number is on the left top of the instrument panel, and can be seen through the windshield from outside. This is the primary identification number for your Toyota. It is used in registering the ownership of your vehicle. 2003 MY SIENNA (OM45410U)
Page 242: Theft Prevention Labels
03 SIENNA_U (L/O 0207) Theft prevention labels (except —Engine number for Canada) Suspension and chassis Your new vehicle carries theft preven- CAUTION tion labels which are approximately 56 mm (2.20 in.) by 16 mm (0.63 in.). Do not modify the suspension/chassis The purpose of these labels is to reduce with lift kits, spacers, springs, etc.
Page 243: Types Of Tires
03 SIENNA_U (L/O 0207) Types of tires Determine what kind of tires your ve- CAUTION hicle is originally equipped with. 1. Summer tires Do not mix summer and all season Summer tires are high−speed capability tires on your vehicle as this can tires best suited to highway driving under cause dangerous handling charac- dry conditions.
Page 244 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 245 03 SIENNA_U (L/O 0207) SECTION STARTING AND DRIVING Before starting the engine ........How to start the engine .
Page 246: Before Starting The Engine
03 SIENNA_U (L/O 0207) How to start the engine— Before starting the engine (a) Before cranking (b) Starting the engine 1. Check the area around the vehicle be- 1. Apply the parking brake firmly. Before starting the engine, be sure to fol- fore entering it.
Page 247: Tips For Driving In Various Conditions
To dry them, drive vehicle cautiously while lightly pressing the brake pedal with the park- ing brake applied. If they still do not work safely, pull to the side of the road and call a Toyota dealer for assistance. 2003 MY SIENNA (OM45410U)
Page 248: Winter Driving Tips
If you are not sure about Driving over 140 km/h (85 mph) may equivalent. which oil to use, call your Toyota deal- result in tire failure, loss of control er—he will be pleased to help. See Section 7−2 for details about coolant and possible injury.
Page 249: Dinghy Towing
Keep ice and snow from accumulating overload your vehicle or trailer. Ask your under the fenders. local Toyota dealer for further details be- Ice and snow built up under your fenders fore towing. can make steering difficult. During bad...
Page 250 03 SIENNA_U (L/O 0207) CAUTION Trailer hitch assemblies have differ- ent weight capacities established by The maximum gross trailer weight the hitch manufacturer. Even though the vehicle may be physically capa- (trailer weight plus cargo weight) must never exceed the following. ble of towing a higher weight, the Without towing package operator must determine the maxi-...
Page 251 ( ∗ 1) If you wish to install a trailer hitch, you hitch or 15% for weight distrib- ( ∗ 2) should consult with your Toyota dealer. uting hitch of the total trailer weight, not exceeding the maximum BRAKES AND SAFETY CHAINS Use only a hitch recommended by the load of the following.
Page 252 BREAK−IN SCHEDULE between the towing vehicle and the Ensure that your vehicle’s tires are Toyota recommends that you do not trailer. Leave sufficient slack in the properly inflated. Adjust the tire pres- tow a trailer with a new vehicle or a chain for turns.
Page 253 03 SIENNA_U (L/O 0207) Check that your rear view mirrors con- Backing with a trailer is difficult and Remember that when making a turn, form to any applicable federal, state/ requires practice. Grip the bottom of the trailer wheels will be closer than provincial or local regulations.
Page 254 03 SIENNA_U (L/O 0207) Because of the added load of the trail- When restarting out after parking on a CAUTION er, your vehicle’s engine may overheat slope: on hot days temperatures over 1. With the transmission in “P” position, Do not exceed 72 km/h (45 mph) or 30_C [85_F]) when going up a long or start the engine.
Page 255: How To Save Fuel And Make Your Vehicle Last Longer
03 SIENNA_U (L/O 0207) How to save fuel and make your vehicle last longer Improving fuel economy is easy—just take Avoid long engine idling. If you have Keep front wheels in proper it easy. It will help make your vehicle last a long wait and you are not in traffic, alignment.
Page 256 03 SIENNA_U (L/O 0207) CAUTION Never turn off the engine to coast down hills. Your power steering and brake booster will not function with- out the engine running. Also, the emission control system operates properly only when the engine is run- ning.
Page 257 03 SIENNA_U (L/O 0207) WE REALLY CARE ABOUT YOU PLEASE BUCKLE UP Toyota has made a special effort to encourage use of seat belts. Toyota belts are: Comfortable Easy to use Convenient We encourage you to use your belts every time you drive.
Page 258: In Case Of An Emergency
03 SIENNA_U (L/O 0207) SECTION IN CASE OF AN EMERGENCY If your vehicle will not start ........If your engine stalls while driving .
Page 259: If Your Vehicle Will Not Start
If they work, your key may be bro- fire hazard. them. Then try starting the engine with ken. Have the key checked at your Toyota your foot off the accelerator pedal. dealer. If none of your keys work, the...
Page 260 03 SIENNA_U (L/O 0207) (c) Jump starting To avoid serious personal injury and JUMP STARTING PROCEDURE The gas normally produced by a damage to your vehicle which might re- 1. If the booster battery is installed in battery will explode if a flame or sult from battery explosion, acid burns, another vehicle, make sure the vehicles spark is brought near.
Page 261 03 SIENNA_U (L/O 0207) Discharged Jumper cable battery Booster battery Positive Discharged terminal Booster battery (“+” mark) Negative battery Jumper Positive terminal terminal (“–” mark) cable (“+” mark) Connecting point 4. Make the cable connections in the or- c. Connect the clamp of the negative der a, b, c, d.
Page 262: If Your Engine Stalls While Driving
(for example, lights left on), If the engine is not running, the pow- opening the hood. If there is no coolant you should have it checked at your Toyota er assist for the brakes and steering boiling over or steam, leave the engine dealer.
Page 263: If You Have A Flat Tire
Park on a level system. You should have it checked as spot with firm ground. soon as possible at your Toyota dealer. CAUTION 2. Stop the engine and turn on your emergency flashers.
Page 264 03 SIENNA_U (L/O 0207) NOTICE Stop the vehicle on a level firm ground, firmly set the parking brake Do not continue driving with a de- and put the transmission in “P”. flated tire. Driving even a short dis- Block the wheel diagonally opposite tance can damage a tire and wheel to the one being changed if neces- beyond repair.
Page 265 CAUTION The compact spare tire was de- signed especially for your Toyota. Right side power sliding door models Do not use it on any other vehicle. Do not exceed 80 km/h (50 mph)
Page 266 03 SIENNA_U (L/O 0207) 1. Get the required tools and spare tire. 1. Jack 2. Jack handle 3. Wheel nut wrench 4. Spare tire To prepare yourself for an emergency, you should familiarize yourself with the use of the jack, each of the tools and their stor- age locations.
Page 267 03 SIENNA_U (L/O 0207) —Blocking the wheel —Removing wheel ornament Then secure the tire by repeating the above removal steps in reverse order to prevent it from flying forward during a collision or sudden braking. Make sure to pull the tire straight up with- out catching on any other part.
Page 268 03 SIENNA_U (L/O 0207) —Loosening wheel nuts 3. Remove the wheel ornament. CAUTION Pry off the wheel ornament, using the beveled end of the wheel nut wrench as Never use oil or grease on the bolts shown. or nuts. The nuts may loose and the wheels may fall off, which could cau- CAUTION se a serious accident.
Page 269 03 SIENNA_U (L/O 0207) —Positioning the jack —Raising your vehicle CAUTION Never get under the vehicle when the vehicle supported jack alone. 5. Position the jack at the correct jack 6. After making sure that no one is in point as shown. the vehicle, raise it high enough so that the spare tire can be installed.
Page 270: Changing Wheels
03 SIENNA_U (L/O 0207) —Changing wheels —Reinstalling wheel nuts 7. Remove the wheel nuts and change Before putting on wheels, remove any cor- 8. Reinstall all the wheel nuts finger tires. rosion on the mounting surfaces with a tight. wire brush or such. Installation of wheels Lift the flat tire straight off and put it Reinstall the wheel nuts (tapered end in- without good metal−to−metal contact at the...
Page 271 03 SIENNA_U (L/O 0207) —Lowering your vehicle CAUTION CAUTION Never use oil or grease on the bolts When lowering the vehicle, make or nuts. Doing so may lead to over- sure all portions of your body and tightening the nuts and damaging the all other persons around will not be bolts.
Page 272 03 SIENNA_U (L/O 0207) —Reinstalling wheel ornament —After changing wheels 10. Reinstall the wheel ornament. 11. Check the air pressure of the re- placed tire. 1. Put the wheel ornament into position. Adjust the air pressure to the specification Steel wheel models, align the cutout of designed in Section 8.
Page 273: If Your Vehicle Becomes Stuck
03 SIENNA_U (L/O 0207) If your vehicle becomes stuck If your vehicle becomes stuck in snow, NOTICE CAUTION mud, sand, etc., then you may attempt to rock the vehicle free by moving it If you rock your vehicle, observe the Before driving, make sure all forward and backward.
Page 274: If Your Vehicle Needs To Be Towed
If towing is necessary, we recommend (a) Towing with wheel lift type truck you to have it done by your Toyota From front—Release the parking brake. (a) Towing with wheel lift type truck— dealer or a commercial tow truck ser- vice.
Page 275 03 SIENNA_U (L/O 0207) —Emergency towing If towing is necessary, we recommend (c) Towing with sling type truck you to have it done by your Toyota dealer or a commercial tow truck ser- vice. If towing service is not available in an...
Page 276: If You Lose Your Keys
Even if you lose only one key, contact possible to avoid the possibility of theft or towing eyelets and towing cable or your Toyota dealer to make a new key. If an accident. Then, have the identification chain. The eyelets and towing cable you lose all your master keys, you cannot number of your new transmitter registered.
Page 277 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 278: Appearance Care
CORROSION PREVENTION AND APPEARANCE CARE Protecting your Toyota from corrosion ......Washing and waxing your Toyota .
Page 279 Now, it is up to you. Proper more harm than good to simply wet the High ambient temperatures can cause care of your Toyota can help ensure long− mud and debris without removing them. corrosion to those components of the term corrosion prevention.
Page 280 03 SIENNA_U (L/O 0207) Washing and waxing your Toyota Check the interior of your vehicle. Wa- Washing your Toyota 1. Rinse off loose dirt with a hose. Re- ter and dirt can accumulate under the move any mud or road salt from the...
Page 281 Do not the chrome trim as well as the paint. driving your Toyota through an au- rub or press hard—you might scratch 3. Wax the vehicle again when water tomatic car wash.
Page 282: Cleaning The Interior
03 SIENNA_U (L/O 0207) Cleaning the interior Vinyl interior Carpets CAUTION The vinyl upholstery may be easily Use a good foam−type shampoo to cleaned with a mild soap or detergent clean the carpets. Vehicles with side airbags: and water. Begin by vacuuming thoroughly to remove Be careful not to splash water or First vacuum over the upholstery to re- as much dirt as possible.
Page 283 03 SIENNA_U (L/O 0207) NOTICE NOTICE Windows z Do not use dye or bleach on the z Do not use organic substances (sol- The windows may be cleaned with any belts—it may weaken them. vents, kerosene, alco- household window cleaner. hol, z Do not use the belts until they be- come dry.
Page 284 Toyota, your local could Toyota dealer will be pleased to answer Remove dirt using a soft cloth dampened them. cause discoloring. with 5% solution of neutral detergent for wool. Then thoroughly wipe off all traces z Use of a nylon brush or synthetic of detergent with a clean damp cloth.
Page 285 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 286 03 SIENNA_U (L/O 0207) SECTION VEHICLE MAINTENANCE AND CARE Maintenance requirements ........General maintenance .
Page 287: Maintenance Requirements
Simple instructions for how to per- or if you prefer, your Toyota dealer will be dating this warranty. See “Owner’s War- form them are presented in Section 7.
Page 288: General Maintenance
Booklet” or “Owner’s Manual Supple- should investigate the cause or take your check the nuts for looseness. Tighten ment” for the details. vehicle to your Toyota dealer or a quali- them if necessary. fied service shop immediately. It is recom- Tire rotation...
Page 289 Battery electrolyte level and detachable rear seats, check that the “P” position and all brakes released. Your Toyota has a maintenance free bat- latches lock securely. tery. You do not have to add distilled wa- Seat belts ter.
Page 290 If you notice any of these clues, take your Check the level on the dipstick with the mance, sounds, and visual tip−offs that vehicle to your Toyota dealer as soon as engine turned off and the vehicle parked indicate service is needed. Some impor- possible.
Page 291 Toyota dealer comes on. In this case, your vehicle may to prepare the vehicle for re−testing. not pass the I/M test and need to be repaired.
Page 292 03 SIENNA_U (L/O 0207) SECTION − DO−IT−YOURSELF MAINTENANCE Introduction Engine compartment overview ....... Fuse locations .
Page 293: Engine Compartment Overview
03 SIENNA_U (L/O 0207) Engine compartment overview 1. Engine coolant reservoir 2. Power steering fluid reservoir 3. Engine oil level dipstick 4. Engine oil filler cap 5. Brake fluid reservoir 6. Fuse blocks 7. Battery 8. Radiator 9. Electric cooling fans 10.
Page 294: Fuse Locations
03 SIENNA_U (L/O 0207) Fuse locations Spare fuses 2003 MY SIENNA (OM45410U)
Page 295: Do−It−Yourself Service Precautions
Toyota Warranty statement for details and exhaust manifold and spark plug where you may be exposed to flying suggestions. boots, etc.—will be hot. So be care- or falling material, fluid spray, etc.
Page 296: Positioning The Jack
03 SIENNA_U (L/O 0207) Positioning the jack z Use only spark plugs of the speci- Be extremely cautious when work- Front fied type. Using other types will ing on the battery. It contains poi- Do not jack up cause engine damage, loss of per- sonous and corrosive sulfuric acid.
Page 297: Parts And Tools
Remember all Toyota parts are de- alone; use vehicle support stands. signed in metric sizes, so your tools must be metric.
Page 298 CHECKING BRAKE FLUID CHECKING AND REPLACING FUSES Parts (if level is low): Parts (if replacement is necessary): SAE J1703 or FMVSS No.116 DOT 3 Genuine Toyota fuse or equivalent with brake fluid same amperage rating as original Tools: Tools: Rag or paper towel...
Page 299 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 300 03 SIENNA_U (L/O 0207) SECTION − DO−IT−YOURSELF MAINTENANCE Engine and Chassis Checking the engine oil level ....... . . Checking the engine coolant level .
Page 301: Checking The Engine Oil Level
03 SIENNA_U (L/O 0207) Checking the engine oil level NOTICE CAUTION Low level Full level z Be careful not to spill the engine Be careful not to touch the hot ex- oil on the vehicle components. haust manifold. z Avoid overfilling, engine could be damaged.
Page 302 If SAE 5W−30 is not available, SAE 10W−30 used. However, “Toyota Genuine Motor Oil” is filled in should be replaced with SAE 5W−30 at your Toyota vehicle. Use Toyota approved the next oil change. “Toyota Genuine Motor Oil” or equivalent...
Page 303: Checking The Engine Coolant Level
Oil” range. radiator cap and drain cock and water pump. If you can find no leak, have your Toyota dealer test the cap pressure and check for leaks in the cooling system. 2003 MY SIENNA (OM45410U)
Page 304 Section Coolant type selection We recommend to use 50% solution for your Toyota, to provide protection down to Use of improper coolants may damage about −35_C (−31_F). When it is extreme- your engine cooling system. Your coolant ly cold, to provide protection down to must contain ethylene−glycol type coolant...
Page 305: Checking The Radiator And Condenser
If the level is low, add SAE J1703 or dirty or you are not sure of their condi- FMVSS No.116 DOT 3 brake fluid to the tion, take your vehicle to Toyota dealer. brake reservoir. Remove and replace the reservoir cap by CAUTION hand.
Page 306: Checking Power Steering Fluid
03 SIENNA_U (L/O 0207) Checking power steering fluid Checking tire pressure Clean all dirt from outside of the reservoir tank and look at the fluid level. If the fluid is cold, the level should be in the “COLD” range. Similarly, if it is hot, the fluid level If hot Open Close...
Page 307 If a tire frequently needs refilling, have it The following instructions for checking Be sure to reinstall the tire inflation checked by your Toyota dealer. tire pressure should be observed: valve caps. Without the valve caps, dirt or moisture could get into the valve The pressure should be checked only core and cause air leakage.
Page 308: Checking And Replacing Tires
This applies also to the spare tire and indicators. If the indicators show, re- place the tires. tires stored for future use. Toyota recommends all four tires, or at REPLACING YOUR TIRES The tires on your Toyota have built−in least both front or rear tires be re- tread wear indicators to help you know placed as a set.
Page 309: Rotating Tires
When replacing a tubeless tire, the air To equalize the wear and help extend valve should also be replaced with a tire life, Toyota recommends that you new one. rotate your tires according to the main- tenance schedule. (For scheduled main-...
Page 310: Installing Snow Tires And Chains
(1/4—1/2 mile). store them in a cool dry place. Mark the the original tires on your Toyota. direction of rotation and be sure to install When installing chains on your tires, care- Do not use tires other than those men-...
Page 311: Replacing Wheels
Correct replacement wheels are available control. Otherwise, an accident may at your Toyota dealer. occur resulting in death or serious injuries. A wheel of a different size or type may adversely affect handling, wheel and bear-...
Page 312: Aluminum Wheel Precautions
1600 km (1000 miles). When using tire chains, be careful not to damage the aluminum wheels. Use only the Toyota wheel nuts and wrench designed for your aluminum wheels. When balancing your wheels, use only Toyota balance weights or equivalent and a plastic or rubber hammer.
Page 313 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 314 03 SIENNA_U (L/O 0207) SECTION − DO−IT−YOURSELF MAINTENANCE Electrical components Checking battery condition ........Battery recharging precautions .
Page 315: Checking Battery Condition
03 SIENNA_U (L/O 0207) Checking battery condition— —Precautions —Checking battery exterior Terminals Ground CAUTION If electrolyte gets on your skin, cable thoroughly wash the contact area. If BATTERY PRECAUTIONS you feel pain or burning, get medi- cal attention immediately. The battery produces flammable and explosive hydrogen gas.
Page 316: Battery Recharging Precautions
Charging necessary. Have battery Dark White checked by your NOTICE Toyota dealer. Never recharge the battery while the Clear or Have battery engine is running. Also, be sure all light checked by your accessories are turned off.
Page 317: Checking And Replacing Fuses
03 SIENNA_U (L/O 0207) Checking and replacing fuses Type A fuses can be pulled out by the pull−out tool. The location of the pull−out Type A tool is shown in the illustration. If you are not sure whether the fuse has blown, try replacing the suspected fuse with one that you know is good.
Page 318: Adding Washer Fluid
When replacing tem. Have your Toyota dealer correct it as light comes on, the washer tank may be a bulb, make sure the ignition switch and soon as possible.
Page 319 Back−up lights inside of the lens, or if there is water pooled inside light, contact your License plate lights Toyota dealer. High mounted stoplight Front personal lights — Front interior light — Center personal lights — Rear interior light —...
Page 320 Make sure the rubber cover fits securely hole. on the bulb base and the mounting body. Aiming is not necessary after replacing the bulb. When aiming adjustment is nec- essary, contact your Toyota dealer. 2003 MY SIENNA (OM45410U)
Page 321 —Front turn signal and —Front fog lights parking/side marker lights If either the left or right front fog light bulbs burns out, contact your Toyota dealer. NOTICE Do not try to replace the front fog light bulbs by yourself. You may dam- age the vehicle.
Page 322 03 SIENNA_U (L/O 0207) —Rear turn signal and stop/tail lights —Stop/tail and back−up lights Left side of the vehicle Remove the bolts. a: Stop/tail light b: Rear turn signal light Right side of the vehicle Remove the strap and handle. 2003 MY SIENNA (OM45410U)
Page 323 03 SIENNA_U (L/O 0207) —License plate lights a: Back−up light Use a Phillips−head screwdriver. b: Stop/tail light 2003 MY SIENNA (OM45410U)
Page 324 03 SIENNA_U (L/O 0207) —High mounted stoplight Use a Phillips−head screwdriver. 2003 MY SIENNA (OM45410U)
Page 325 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 326 03 SIENNA_U (L/O 0207) SECTION SPECIFICATIONS Dimensions and weight ........Engine .
Page 327: Dimensions And Weight
03 SIENNA_U (L/O 0207) Dimensions and weight Engine Model: Overall length mm (in.) 4930 (194.1) 1MZ−FE Overall width mm (in.) 1865 (73.4) Type: 6 cylinder V type 4 cycle, gasoline ∗ Overall height mm (in.) 1710 (67.3) Bore and stroke, mm (in.): Wheelbase mm (in.) 2900 (114.2)
Page 328: Fuel
“Toyota Genuine Motor Oil” or equivalent “Toyota Genuine Long Life Coolant” is satisfy following grade filled in your Toyota vehicle. In order to viscosity. avoid technical problems, we strongly Oil grade: recommend using “Toyota Genuine Long API grade SL “Energy−Conserving” or Life Coolant”...
Page 329 Less than 30 mm (1.2 in.) L (qt., Imp. qt.): Power steering fluid type: Up to 4.75 (5.0, 4.2) Automatic transmission fluid DEXRONrII Fluid type: or III Toyota Genuine D−II DEXRONrIII (DEXRONrII) Please contact your Toyota dealer for fur- ther details. 2003 MY SIENNA (OM45410U)
Page 330: Tires
03 SIENNA_U (L/O 0207) Tires Wheel nut torque, N·m (kgf·m, ft·lbf): Tire size and pressure: 104 (10.5, 77) Normal driving NOTE: For complete information on Tire pressure, Tire size Wheel size tires (e.g. replacing tires or re- kPa (kgf/cm or bar, psi) placing wheels), “Checking...
Page 331: Fuses
03 SIENNA_U (L/O 0207) Fuses Engine compartment Fuses (type A) 1. SEAT HTR 20 A: Seat heaters 2. A/F HTR 25 A: Air fuel ratio sensor 3. SPARE 10 A: Spare fuse 4. SPARE 15 A: Spare fuse 5. SPARE 30 A: Spare fuse 6.
Page 332 03 SIENNA_U (L/O 0207) 18. ABS NO.2 25 A: Vehicle skid control system 19. H−LP LH (LO) 10 A: Left−hand head- light (low beam) 20. H−LP RH (LO) 10 A: Right−hand head- light (low beam) 21. ABS NO.4 5 A: Vehicle skid control system 22.
Page 333 03 SIENNA_U (L/O 0207) 27. IGN 5 A: Gauges and meters, charging 36. TURN 7.5 A: Turn signal lights, emer- 50. PWR 30 A: Power windows, electric system, SRS airbag system, seat belt gency flashers moon roof, power seat, power sliding pretensioners, multiport fuel injection door (right side), “PWR−VENT”...
Page 334 03 SIENNA_U (L/O 0207) SECTION REPORTING SAFETY DEFECTS FOR U.S. OWNERS AND UNIFORM TIRE QUALITY GRADING Reporting safety defects for U.S. owners ..... . Uniform tire quality grading .
Page 335 Toyota Motor Washington, D.C. 20590. You can Sales, U.S.A., Inc. also obtain other information about Your Toyota dealer will help answer any questions you may have as you read this (Toll−free: 1−800−331−4331). motor vehicle safety from the Hot- information.
Page 336 03 SIENNA_U (L/O 0207) Treadwear—The treadwear grade Temperature A, B, C—The temperature comparative rating based on the wear rate grades are A (the highest), B, and C, of the tire when tested under controlled representing the tire’s resistance to the conditions on a specified government test generation of heat and its ability to dissi- course.
Page 337 03 SIENNA_U (L/O 0207) 2003 MY SIENNA (OM45410U)
Page 338 API grade SL “Energy−Conserving” or ILSAC multigrade engine oil is recommended. See page 297 for detailed information. Automatic transmission fluid: Toyota Genuine ATF D−II or DEXRONrIII (DEXRONrII) See page 324 for detailed information. Tire information: See pages 301 through 307. Publication No. OM45410U Tire pressure: See page 325.
Page 339 The Toyota authorized Repair Manual is packed with literally everything you need to know to perform your own maintenance in virtually every area of your new vehicle.
Page 340 Toyota dealer. Areas covered include such things as spark plug re- Pub. Name: 2003 SIENNA Repair Manual placement, valve clearance adjustment and engine oil Pub. No.: RM954U1 (Maintenance, Preparation, and filter replacement.

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