Page 121: Table Of Contents
Instruments and Controls Instruments and Engine Coolant Temperature Vehicle Messages Gauge ..... . 5-16 Vehicle Messages ... 5-33 Controls Voltmeter Gauge .
Page 122: Instruments And Controls
Instruments and Controls Controls 2. Release the lever to lock the (Next/Previous): steering wheel in place. Press to select preset or favorite radio stations, select tracks on a Steering Wheel Do not adjust the steering wheel ® CD, or navigate an iPod while driving.
Page 123 Instruments and Controls Selecting Tracks on an iPod or SRCE (Source/Voice 3. Press and release USB Device Recognition): Press to switch to scroll up or down the list. between the radio and CD, and 1. Press and hold To select a folder, press for equipped vehicles, the while listening to a song until the and hold...
Page 124: Horn
Instruments and Controls Horn Windshield Washer (Adjustable Interval Wipes): Use to adjust the delay time The windshield wiper paddle Press the horn symbol in the middle between wipes. Turn the band up is located on top of the of the steering wheel to sound for more frequent wipes or down for multifunction lever.
Page 125: Compass
Instruments and Controls Compass To adjust for compass variance, use 2. Find the vehicle's current the following procedure: location and variance zone This vehicle may have a compass in number on the map. Compass Variance (Zone) the Driver Information Center (DIC). Zones 1 through 15 are Procedure Compass Zone...
Page 126: Clock
Instruments and Controls Compass Calibration Turn off the vehicle, move the 4. The DIC will display magnetic item, then turn on the CALIBRATING: DRIVE IN The compass can be manually vehicle and calibrate the compass. CIRCLES. Drive the vehicle calibrated. Only calibrate the in tight circles at less than compass in a magnetically clean To calibrate the compass, use the...
Page 127 Instruments and Controls Set the time by following these 2. Press the softkey located under 3. Press again until the clock steps: any one of the tabs that you display stops flashing to set the want to change. Every time the currently displayed time;...
Page 128 Instruments and Controls Changing the Time and Date MP3 Radio with a Six-Disc 3. To decrease, press the Default Settings CD Player left SEEK arrow or You can change the time default REV button, or turn If the vehicle has a radio with a setting from 12 hours to 24 hours or six-disc CD player, the radio knob, located on the...
Page 129: Power Outlets
Instruments and Controls 2. Press the softkey located under When adding electrical equipment, WARNING the desired option. be sure to follow the proper installation instructions included 3. Press the MENU button again to Power is always supplied to the with the equipment. See apply the selected default, or let outlets.
Page 130: Cigarette Lighter
5-10 Instruments and Controls Cigarette Lighter Ashtrays To remove the ashtray, pull it out from the console or from the slide To use the cigarette lighter, if the For vehicles with an ashtray it is out door. To reinstall the ashtray, vehicle has one, push it in all the located in the center console or on slide it back to the original position.
Page 131: Warning Lights, Gauges, And Indicators
Instruments and Controls 5-11 Warning Lights, Warning lights come on when there When one of the warning lights could be a problem with a vehicle comes on and stays on while Gauges, and function. Some warning lights come driving, or when one of the gauges on briefly when the engine is started shows there may be a problem, Indicators...
Page 132: Instrument Cluster
5-12 Instruments and Controls Instrument Cluster English 4 Speed Version Shown, 6 Speed and Metric Similar...
Page 133: Speedometer
Instruments and Controls 5-13 If the vehicle has a diesel engine, If the vehicle needs a new odometer see the Duramax diesel supplement installed, it must be set to the for more information for more information. mileage total of the old odometer. on resetting the trip odometer.
Page 134: Fuel Gauge
5-14 Instruments and Controls The gauge moves a little while Fuel Gauge The fuel gauge, when the ignition is turning a corner or speeding up. on, indicates how much fuel is left in the vehicle fuel tank. The gauge does not go back to empty when the ignition is An arrow on the fuel gauge turned off.
Page 135: Engine Oil Pressure
Instruments and Controls 5-15 Engine Oil Pressure A reading in the low pressure zone may be caused by a dangerously Gauge low oil level or other problem causing low oil pressure. Check the oil as soon as possible. WARNING Do not keep driving if the oil pressure is low.
Page 136: Engine Coolant Temperature Gauge
5-16 Instruments and Controls Engine Coolant Temperature Gauge Voltmeter Gauge English This gauge shows the engine coolant temperature. Metric It also provides an indicator of how hard the vehicle is working. During a When the engine is not running, but majority of the operation, the gauge the ignition is on, this gauge shows wil read 100°C (210°F) or less.
Page 137: Safety Belt Reminders
Instruments and Controls 5-17 Readings in the low warning zone Safety Belt Reminders Passenger Safety Belt may occur when a large number of Reminder Light Driver Safety Belt Reminder electrical accessories are operating in the vehicle and the engine is left Light at an idle for an extended period.
Page 138: Airbag Readiness Light
5-18 Instruments and Controls The front passenger safety belt For vehicles with a remote start, the warning light and chime may turn on airbag readiness light will stay on if an object is put on the seat such until the driver places the ignition as a briefcase, handbag, grocery switch to the ON/RUN position.
Page 139 Instruments and Controls 5-19 WARNING WARNING If the right front passenger airbag If the airbag readiness light ever is turned off for a person who is comes on and stays on, it means not in a risk group identified by that something may be wrong the national government, that with the airbag system.
Page 140: Passenger Airbag Status
5-20 Instruments and Controls Passenger Airbag Status When the vehicle is started, the If, after several seconds, both status passenger airbag status indicator indicator lights remain on, or if there Indicator will light ON and OFF, or the symbol are no lights at all, there may be a for on and off, for several seconds problem with the lights or the If the vehicle has a passenger...
Page 141: Charging System Light
Instruments and Controls 5-21 Charging System Light for more information. This light could indicate that there are problems with a generator drive belt, or that there is an electrical problem. Have it checked right away. If the vehicle This light should come on when the must be driven a short distance with ignition is on, but the engine is not the light on, turn off accessories,...
Page 142: Light
5-22 Instruments and Controls If the vehicle is This light comes on during a Light On Steady: An emission continually driven with this light malfunction in one of two ways: control system malfunction has on, after a while, the emission been detected on the vehicle.
Page 143 Instruments and Controls 5-23 Make sure to fuel the vehicle Emissions Inspection and The vehicle may not pass with quality fuel. Poor fuel quality inspection if: Maintenance Programs causes the engine not to run as The malfunction indicator lamp is Some state/provincial and local efficiently as designed and can on with the engine running, or if...
Page 144: Warning Light
5-24 Instruments and Controls Brake System When the ignition is on, the brake WARNING system warning light also comes on Warning Light when the parking brake is set. See The brake system might not be The vehicle brake system consists working properly if the brake more information.
Page 145: Tow/Haul Mode Light
Instruments and Controls 5-25 ® Antilock Brake System If the regular brake system warning StabiliTrak Indicator light is also on, the vehicle does not (ABS) Warning Light Light have antilock brakes and there is a problem with the regular brakes. Tow/Haul Mode Light ®...
Page 146: Tire Pressure Light
5-26 Instruments and Controls Tire Pressure Light When the Light is On Steady When the Light Flashes First and Then is On Steady This indicates that one or more of the tires are significantly This indicates that there may be a underinflated.
Page 147: Engine Oil Pressure Light
Instruments and Controls 5-27 Engine Oil Pressure Light Lack of proper engine oil Security Light maintenance can damage the engine. The repairs would not be covered by the vehicle warranty. Always follow the maintenance schedule for changing engine oil. This light comes on briefly while starting the engine.
Page 148: High-Beam On Light
5-28 Instruments and Controls High-Beam On Light Cruise Control Light Information Displays Driver Information Center (DIC) This vehicle has a Driver Information Center (DIC). All messages will appear in the This light comes on when the The cruise control light comes on DIC display located at the bottom high-beam headlamps are in use.
Page 149 Instruments and Controls 5-29 If the vehicle has these features, DIC Operation and Displays (Trip/Fuel): Press this button the DIC also displays the compass to display the odometer, trip The DIC has different displays direction and the outside air odometers, fuel range, average which can be accessed by pressing temperature when viewing the trip economy, fuel used, timer, average...
Page 150 5-30 Instruments and Controls Trip/Fuel Menu Items The trip odometer has a feature If the retro-active reset feature is called the retro-active reset. This activated after the vehicle is started, (Trip/Fuel): Press this can be used to set the trip odometer but before it begins moving, the button to scroll through the to the number of kilometers (miles)
Page 151 Instruments and Controls 5-31 number may change even though Fuel Used To reset the timer to zero, press and the same amount of fuel is in the hold while TIMER is displayed. Press until FUEL USED fuel tank. This is because different displays.
Page 152 5-32 Instruments and Controls Vehicle Information Menu In addition to the engine oil life Tire Pressure system monitoring the oil life, Items If the vehicle has the Tire Pressure additional maintenance is Monitor System (TPMS), the (Vehicle Information): recommended in the Maintenance pressure for each tire can be viewed Press this button to scroll through Schedule in this manual.
Page 153: Vehicle Messages
Instruments and Controls 5-33 Engine Hours Change Compass Zone Vehicle Messages The vehicle may have this feature. Press until ENGINE HOURS Messages displayed on the DIC To change the compass zone displays. This display shows the indicate the status of the vehicle or through the DIC, see total number of hours the engine some action may be needed to...
Page 154: Brake System Messages
5-34 Instruments and Controls Battery Voltage and If this message appears, stop as Door Ajar Messages soon as possible and turn off the Charging Messages CARGO DOOR OPEN vehicle. Restart the vehicle and check for the message on the DIC SERVICE BATTERY This message displays and a chime display.
Page 155: Engine Cooling System
Instruments and Controls 5-35 LEFT REAR DOOR OPEN RIGHT REAR DOOR OPEN When the coolant temperature returns to normal, the air On some vehicles, this message On some vehicles, this message conditioning compressor turns displays and a chime sounds if the displays and a chime sounds if the back on.
Page 156: Engine Oil Messages
5-36 Instruments and Controls ENGINE OVERHEATED Engine Oil Messages OIL PRESSURE LOW STOP ENGINE STOP ENGINE CHANGE ENGINE OIL SOON If you drive the vehicle If you drive the vehicle This message displays when the while the engine is overheating, while the engine oil pressure is engine oil needs to be changed.
Page 157: Engine Power Messages
Instruments and Controls 5-37 Engine Power Messages Fuel System Messages Key and Lock Messages ENGINE POWER IS REDUCED FUEL LEVEL LOW REPLACE BATTERY IN REMOTE KEY This message displays and a chime This message displays and a sounds when the cooling system chime sounds if the fuel level is low.
Page 158: Ride Control System
5-38 Instruments and Controls TURN SIGNAL ON SERVICE TRACTION STABILITRAK OFF CONTROL This message displays and a chime If the vehicle has StabiliTrak, this sounds if a turn signal is left on for message displays when you turn off If the vehicle has StabiliTrak, this 1.2 km (3/4 of a mile).
Page 159: Messages
Instruments and Controls 5-39 There are several conditions that TRACTION CONTROL OFF Anti-Theft Alarm System can cause this message to appear. Messages If the vehicle has StabiliTrak, this One condition is overheating, message displays when the Traction SERVICE THEFT DETERRENT which could occur if StabiliTrak Control System (TCS) is turned off.
Page 160: Service Vehicle Messages
5-40 Instruments and Controls Service Vehicle Messages This message only appears while Have the tire pressures checked the ignition is in ON/RUN, and will and set to those shown on the Tire SERVICE A/C SYSTEM not disappear until the problem Loading Information label.
Page 161: Transmission Messages
Instruments and Controls 5-41 TIRE LEARNING ACTIVE Transmission Messages This message displays along with a chime if the transmission fluid in the If the vehicle has the Tire Pressure SERVICE TRANSMISSION vehicle gets hot. Driving with the Monitor System (TPMS), this transmission fluid temperature high This message displays when there message displays when the system...
Page 162: Vehicle Personalization
5-42 Instruments and Controls Vehicle The customization preferences are Feature Settings Menu Items automatically recalled. The following are customization Personalization To change customization features that allow you to program preferences, use the following This vehicle may have settings to the vehicle: customization capabilities that allow procedure.
Page 163 Instruments and Controls 5-43 LANGUAGE AUTO DOOR LOCK AUTO DOOR UNLOCK This feature allows you to This feature allows you to This feature allows you to select select the language in which the select when the doors will whether or not to turn off the DIC messages will appear.
Page 164 5-44 Instruments and Controls ALL IN PARK (default): All of the NO CHANGE: No change will be Press until REMOTE DOOR doors will unlock when the vehicle made to this feature. The current LOCK appears on the DIC display. is shifted into P (Park). setting will remain.
Page 165 Instruments and Controls 5-45 The key must be out of the ignition EXIT LIGHTING Then press to scroll through the for this feature to work. You can following settings: This feature allows you to temporarily override delayed select the amount of time you want LIGHTS OFF: The exterior lamps locking by pressing the power the exterior lamps to remain on...
Page 166 5-46 Instruments and Controls ON (default): If it is dark enough CHIME VOLUME To select a setting, press while outside, the exterior lamps will turn the desired setting is displayed on This feature allows you to select the on briefly when you unlock the the DIC.
Page 167 Instruments and Controls 5-47 NO CHANGE: No change will be DO NOT RESTORE: Exiting the Feature made to this feature. The current The customization features will Settings Menu setting will remain. not be set to their factory The feature settings menu will default settings.
Page 168 5-48 Instruments and Controls NOTES...
Page 271 Engine Air Cleaner/Filter ..10-20 Front Turn Signal, Cooling System ... . 10-21 Sidemarker, and Parking Engine Coolant ... . . 10-22 Lamps .
Page 272 Tire Pressure Monitor Operation ....10-63 Jump Starting ....10-88 For service and parts needs, visit Tire Inspection .
Page 273 Most motor vehicles, including this Certain types of automotive Adding non dealer accessories to one, contain and/or emit chemicals applications, such as airbag the vehicle can affect vehicle known to the State of California to initiators, seat belt pretensioners, performance and safety, including cause cancer and birth defects or and lithium batteries contained in such things as airbags, braking,...
Page 274 Damage to vehicle components Federal law prohibits the following resulting from the installation or use acts or the causing thereof: of non GM certified parts, including 1. The removal or rendering control module modifications, is not inoperative by any person, covered under the terms of the The following information relates to other than for purposes of...
Page 275 Among those acts presumed to constitute tampering are the acts Removal of fan clutch, if the Removal of the muffler and/or listed below. vehicle has one, or rendering resonator. clutch inoperative. Removal of the exhaust pipes Removal of the fan shroud, if the and exhaust pipe clamps.
Page 276: Service Work
If doing some of your own service work, use the proper service To open the hood: manual. It tells you much more about how to service the vehicle than this manual can. To order the proper service manual, see You can be injured and the This vehicle has an airbag system.
Page 277: Hood
If the vehicle has an underhood lamp, it will automatically come on and stay on until the hood is closed. Before closing the hood, be sure all of the filler caps are on properly. Then lift the hood to relieve pressure on the hood prop.
Page 279 E. Engine Oil Fill Cap. See When Brake Master Cylinder to Add Engine Oil under Reservoir. See Brake Fluid B. Radiator Pressure Cap. See under Engine Oil Dipstick. See C. Coolant Recovery Tank. See Checking Engine Oil under Windshield Washer Fluid Reservoir.
Page 280: Engine Oil
It is a good idea to check the For diesel engine vehicles, see engine oil level at each fuel fill. In Engine Oil in the Duramax Diesel order to get an accurate reading, Supplement. the vehicle must be on level ground. To ensure proper engine The engine oil dipstick handle is a performance and long life, careful...
Page 281 This certification mark indicates that the oil has been approved to the dexos specification. Use of Substitute Engine Oils if dexos is unavailable: In the event that dexos approved engine oil is not available at an oil change or for for the location of the maintaining proper oil level, you engine oil fill cap.
Page 282 Cold Temperature Operation: In an area of extreme cold, where the Used engine oil contains certain temperature falls below 29°C elements that can be unhealthy for ( 20°F), an SAE 0W-30 oil should your skin and could even cause be used. An oil of this viscosity cancer.
Page 283 and, at this time, the system must 3. Turn the key to LOCK/OFF. be reset. Your dealer has trained If the CHANGE ENGINE OIL SOON service people who will perform this message comes back on when the work and reset the system. It is also This vehicle has a computer system vehicle is started, the engine oil life important to check the oil regularly...
Page 284 Wait at least 30 minutes before Let the engine run at idle for checking the transmission fluid level five minutes if outside temperatures if you have been driving: are 10°C (50°F) or more. If it is Because this operation can be a colder than 10°C (50°F), the engine When outside temperatures are little difficult, it may be decided...
Page 285 Then, without shutting off the engine, follow these steps: for more information. 1. Flip the handle up and then pull out the dipstick and wipe it with a clean rag or paper towel. 2. Push it back in all the way, wait 3.
Page 286 After adding fluid, recheck the the vehicle towed to a dealer fluid level as described under service department and have it How to Check Automatic repaired before driving the Refer to Transmission Fluid, earlier in vehicle further. this section. Change the fluid and filter at the determine what kind of transmission When the correct fluid level is intervals listed in...
Page 287 In heavy traffic and hot weather. A warm fluid level check can be performed by driving the vehicle While pulling a trailer. under lightly loaded conditions and After driving under these conditions, outside temperatures between a hot check can be performed. The 10°C to 27°C (50°F to 80°F).
Page 288 Then, without shutting off the engine: Prepare the vehicle as follows: 1. Park the vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in P (Park). A. COLD Range 3. With foot on the brake pedal, B.
Page 289: Automatic Transmission Fluid
4. If the fluid level is in the A cold check is used only as a acceptable range, push the reference. If the fluid level is low, dipstick back in all the way; then add only enough of the proper fluid flip the handle down to lock the to bring the level up to the middle of dipstick in place.
Page 290 To inspect or replace the engine air cleaner/filter, do the following: If the vehicle has the Duramax 1. Unhook the retainer clips and Inspect the air cleaner/filter at the diesel engine, see the Duramax remove the cover. scheduled maintenance intervals diesel manual for more information.
Page 291 Heater and radiator hoses, and The air cleaner not only cleans other engine parts, can be very the air; it helps to stop flames if hot. Do not touch them. If you do, the engine backfires. Use caution you can be burned. when working on the engine and do not drive with the air Do not run the engine if there is a...
Page 292 Will not damage aluminum parts. Helps keep the proper engine The cooling system in the vehicle temperature. ® is filled with DEX-COOL engine With plain water or the wrong coolant. This coolant is designed to mixture, the engine could get too remain in the vehicle for 5 years or hot but you would not get the 240 000 km (150,000 mi), whichever...
Page 293: Cooling System
Never dispose of engine coolant by putting it in the trash, pouring it on the ground, or into sewers, streams, You can be burned if you spill or bodies of water. Have the coolant coolant on hot engine parts. changed by an authorized service Coolant contains ethylene glycol center, familiar with legal and it will burn if the engine parts...
Page 294 If coolant is needed, add the proper mixture directly to the radiator, but be sure the cooling system is cool An electric engine cooling fan before this is done. under the hood can start up even when the engine is not running and can cause injury.
Page 295: Engine Coolant
8. Replace the pressure cap. At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap. 4. Fill the coolant recovery tank to 6. Start the engine and let it run If the vehicle has the Duramax the COLD FILL mark.
Page 296 If you keep driving when the engine is overheated, the liquids If the decision is made to lift the in it can catch fire. You or others hood, make sure the vehicle is could be badly burned. Stop the parked on a level surface. engine if it overheats, and get out Then check to see if the engine of the vehicle until the engine...
Page 297 If the overheat warning is displayed If the warning continues, pull over, This improves fuel economy and with no sign of steam: stop, and park the vehicle reduces fan noise. Under heavy right away. vehicle loading, trailer towing, and/ 1. Turn the air off. or high outside temperatures, the If there is still no sign of steam, 2.
Page 298: Power Steering Fluid
The level should be at the COLD FILL mark. If necessary, add only enough fluid to bring the level up To check the power steering fluid, to the mark. do the following: To prevent contamination of brake 1. Turn the key off and let the fluid, never check or fill the power engine compartment cool down.
Page 299: Washer Fluid
When the vehicle needs windshield washer fluid, be sure to read the manufacturer's instructions before use. If operating the vehicle in an area where the temperature may fall below freezing, use a fluid that has Open the cap with the washer sufficient protection against symbol on it.
Page 300: Brakes
Some driving conditions or climates can cause a brake squeal when the Every time the brakes are applied, This vehicle has disc brakes. brakes are first applied or lightly with or without the vehicle moving, Disc brake pads have built-in wear applied.
Page 301: Brake Fluid
Do not top off the brake fluid. Refer to the Maintenance Schedule Adding fluid does not correct a leak. to determine when to check the If fluid is added when the linings brake fluid. See are worn, there will be too much fluid when new brake linings are installed.
Page 302 After work is done on the brake hydraulic system, make sure the Refer to the replacement number level is above the MIN but not over shown on the original battery label the MAX mark. when a new battery is needed. See for battery location.
Page 303 Batteries have acid that can burn Refer to the Maintenance Schedule you and gas that can explode. to determine how often to check You can be badly hurt if you are the lubricant. See not careful. See for tips on working around a battery without getting hurt.
Page 304 When the differential is cold, add enough lubricant to raise the level to 10 mm (3/8 in) below the fill plug hole. Refer to the Maintenance Schedule When the differential is at operating to determine how often to check the temperature (warm), add enough lubricant and when to change it.
Page 305 If you have the 1500 Series, the The Maintenance Schedule proper level is from 15 mm (5/8 in) to provides information on maintaining 40 mm (1 5/8 in) below the bottom of the noise control system to minimize the fill plug hole. The proper level degradation of the noise emission Refer to the Maintenance Schedule for the 2500 and 3500 Series is...
Page 306 Among those acts presumed to constitute tampering are the acts Removal of the air cleaner listed below. silencer. Modification of the air cleaner. When you are doing this Removal of the noise shields or inspection, the vehicle could any underhood insulation. move suddenly.
Page 307 1. Before starting this check, be 1. Before starting this check, be sure there is enough room sure there is enough room around the vehicle. around the vehicle. It should be parked on a level surface. 2. Firmly apply both the parking brake and the regular brake.
Page 308 Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. While parked, and with the parking brake set, try to turn the ignition to To check the parking brake's LOCK/OFF in each shift lever holding ability: With the engine When you are doing this check,...
Page 309 To remove the type with a release 3. The insert has two notches at clip, do the following: one end that are locked by Windshield wiper blades should be bottom claws of the blade 1. Lift the wiper arm until it locks inspected for wear and cracking.
Page 310: Replacement
To remove the headlamp assembly from the vehicle and access For the proper type of replacement the bulbs: bulbs, see 1. Open the hood. See for more information. For any bulb changing procedure not listed in this section, contact your dealer. A.
Page 311 8. Reverse the steps to reinstall To replace the front turn signal, the headlamp assembly. sidemarker, and/or parking lamp bulb(s): To prevent headlamp vibration and shortened bulb life, be sure to insert the headlamp assembly tabs in the slots at the lower portion of the housing, 1.
Page 312 7. Reinstall the lamp assembly into 4. Remove the third nut (C) from the grille until the outboard clip the upper outboard side of snaps into place. the lamp. 5. Remove the taillamp assembly from the vehicle. To replace a taillamp/turn signal lamp or back up lamp bulb: 2.
Page 313 7. Remove the bulb by pulling it 3. Turn the bulb socket straight out. counterclockwise one quarter turn to remove it from the 8. Push the new bulb into the lamp assembly. The Center High-Mounted Stoplamp socket. (CHMSL) is located above the rear 4.
Page 314: Headlamps
3. Install the new bulb. 4. Reverse steps 1 and 2 to To replace one of these bulbs: reinstall the license plate bulb Headlamps assembly. Composite High-Beam 9005LL Headlamp Composite Low-Beam 9006LL Headlamp Back-up, Rear Parking, Sealed Beam 3157KX H6054 Stoplamp, and Headlamp Turn Signal Lamp...
Page 315: Overload
If there is a problem on the road If the overload is caused by an and a fuse needs to be replaced, electrical problem and not snow or the same amperage fuse can be ice, be sure to get it fixed. borrowed.
Page 316 The fuse block is located in the engine compartment on the driver side of the vehicle. The vehicle may not be equipped with all of the fuses, relays, and features shown.
Page 317 Right Stop/Turn Trailer Wiring Spare Trailer Spare Fuel Pump Spare Brake Switch Auxiliary Power Spare Outlet Windshield Washer Fuel System Body Control Horn Control Module Module 3 Transmission Ignition Special Equipment Body Control Air Conditioning Option Module 5 Compressor Airbag Engine Control Body Control Steering Wheel...
Page 318 Transmission Right High Beam Oxygen Control Module Headlamp Sensor 2 (Post), Ignition EV Fan (Diesel) Left Low Beam Transmission Headlamp Spare Control Module Right Low Beam Mass Air Flow/ Battery Headlamp Canister Vent Spare Wiper Odd Ignition/ Spare Injectors Canister Vent Fuel Operated Solenoid Daytime...
Page 319 Auxiliary Stop ABS Motor Run/Crank Lamps ABS Module Spare Spare Spare Fuel Pump Spare Trailer Wiring Crank Fuel Heater Fan High Air Conditioning Body Control Compressor Starter Solenoid Module 6 Fan High Engine Control Lighter/Data Link Module/Powertrain Powertrain Connection Fuel System Spare V6 Fuel Injectors Control Module...
Page 320 The floor console fuse block is located under the driver seat. The vehicle may not be equipped with all of the fuses, relays, and features shown.
Page 321 ® Empty OnStar Remote Function (If Equipped) Actuator/Tire Steering Wheel Pressure Monitor Sensor Empty Ignition Auxiliary Parking Heating, Switch/Discrete Lamps (Cut Away) Ventilation and Logic Ignition Air Conditioning 2 Front Park Lamps Sensor (PK3) Heating, Trailer Park Lamps Instrument Panel Ventilation and Cluster Upfitter Park...
Page 322 Front Door Lock Run (High Current Micro) Rear Door Lock This new vehicle comes with Empty (High Cargo Door Unlock high-quality tires made by a Current Micro) Passenger leading tire manufacturer. If you Park Lamps (High Door Unlock ever have questions about the Current Micro) tire warranty and where to Rear Passenger...
Page 323 Poorly maintained and Over inflated tires are more Improperly repaired tires can improperly used tires are likely to be cut, punctured, cause a crash. Only the dangerous. or broken by a sudden dealer or an authorized tire Overloading the tires can impact such as when you service center should repair,...
Page 324 and service description. See the (TIN). The TIN shows the Tire Size illustration later in this manufacturer and plant code, Useful information about a section for more detail. tire size, and date the tire was tire is molded into the sidewall. manufactured.
Page 325 For information on recommended tire pressure see Original The Department of equipment tires designed to Transportation (DOT) code GM's specific tire performance indicates that the tire is in criteria have a TPC specification compliance with the U.S. code molded onto the sidewall. Department of Transportation GM's TPC specifications meet Motor Vehicle Safety Standards.
Page 326 The type A two digit of cord and number of plies in number that indicates the tire the sidewall and under the tread. height to width measurements. For example, if the tire size The following examples show aspect ratio is 75, as shown in the different parts of a tire size.
Page 327: Tire Sidewall Labeling
is certified to carry. The speed A two digit Load Range. rating is the maximum speed a number that indicates the tire tire is certified to carry a load. height to width measurements. The service description indicates For example, if the tire size the load index and speed rating aspect ratio is 75, as shown of a tire.
Page 328 The tire bead contains A code molded steel wires wrapped by steel into the sidewall of a tire cords that hold the tire onto signifying that the tire is in The amount of the rim. compliance with the U.S. air inside the tire pressing Department of Transportation A pneumatic tire outward on each square inch...
Page 329 The side of an asymmetrical tire, The sum of curb A tire used on passenger cars that must always face outward weight, accessory weight, and some light duty trucks and when mounted on a vehicle. vehicle capacity weight, and multipurpose vehicles. production options weight.
Page 330 Ratings are determined See Tire and Loading An alphanumeric code by tire manufacturers using Information Label under assigned to a tire indicating the government testing procedures. maximum speed at which a tire The ratings are molded into the can operate. sidewall of the tire.
Page 331 example of the Tire and Loading Check the tire's inflation Information label, see pressure when the tires are cold. Cold means the vehicle has How you load the vehicle affects been sitting for at least three vehicle handling and ride hours or driven no more than comfort.
Page 332: Tire Pressure
Be sure to put the valve caps As an added safety feature, your Your vehicle has also been vehicle has been equipped with a equipped with a TPMS malfunction back on the valve stems. They tire pressure monitoring system indicator to indicate when the help prevent leaks by keeping (TPMS) that illuminates a low tire system is not operating properly.
Page 333 Always check the TPMS malfunction inflate the tires to the recommended telltale after replacing one or more pressure shown on the Tire and tires or wheels on your vehicle to Loading Information label. See ensure that the replacement or This vehicle may have a Tire alternate tires and wheels allow Pressure Monitor System (TPMS).
Page 334 A Tire and Loading Information message should go off once you label, attached to the vehicle, shows re install the road tire containing the size of the vehicle's original the TPMS sensor. equipment tires and the correct The TPMS sensor matching inflation pressure for the vehicle's process was started but not tires when they are cold.
Page 335 Replacement tires or wheels do You have two minutes to match not match the vehicle's original the first tire/wheel position, and equipment tires or wheels. Tires five minutes overall to match all four Each TPMS sensor has a unique and wheels other than those tire/wheel positions.
Page 336 5. Remove the valve cap from the 8. Proceed to the driver side rear valve cap stem. Activate the tire, and repeat the procedure in We recommend that you TPMS sensor by increasing or Step 5. The horn sounds two regularly inspect the vehicle's decreasing the tire's air pressure times to indicate the sensor...
Page 337 The tire has a bump, bulge, After the tires have been or split. rotated, adjust the front and rear inflation pressures as shown on The tire has a puncture, cut, the Tire and Loading Information or other damage that cannot label.
Page 338: Tire Rotation
Make certain that all wheel nuts Lightly coat the center of the The outer tire on a dual wheel setup generally wears faster than the are properly tightened. See wheel hub with wheel bearing inner tire. Your tires will wear more Wheel Nut Torque under grease after a wheel change or evenly and last longer if you rotate...
Page 339 Some commercial truck tires, including Goodyear LT225/75R16 Tires age when stored normally G949 RSA and Goodyear LT225/ mounted on a parked vehicle. 75R16 G933 RSD, may not have Various factors, such as Park a vehicle that will be stored for treadwear indicators.
Page 340 If the tires have an all season tread design, the TPC spec number will GM has developed and matched be followed by an MS for mud and specific tires for the vehicle. The Only your dealer or an authorized snow. See original equipment tires installed on for additional tire service center should mount...
Page 341 The vehicle's original equipment tires are listed on the Tire and Loading Information label. See A tire and/or wheel could fail This vehicle may have a different suddenly, causing a crash. for more information about the Tire size spare than the road tires and Loading Information label and Use only radial-ply tires with (those originally installed on the...
Page 342: Tires
The Uniform Tire Quality Grading (UTQG) system does not apply to deep tread, If you add different sized wheels, Quality grades can be found winter-type snow tires, the vehicle may not provide where applicable on the tire space-saver, or temporary use an acceptable level of sidewall between tread shoulder spare tires, tires with nominal...
Page 343 tested under controlled conditions on a specified indoor The treadwear grade is a The traction grades, from laboratory test wheel. Sustained comparative rating based on the highest to lowest, are AA, A, B, high temperature can cause the wear rate of the tire when tested and C.
Page 344 which can sometimes be repaired. See your dealer if any of these conditions exist. dangerous. It could affect the The tires and wheels on the vehicle Your dealer will know the kind of braking and handling of the were aligned and balanced carefully wheel you need.
Page 345: Tire Chains
For Cutaway models with LT245/75R16, LT225/75R16 or LT215/85R16 size single or dual crash. To help avoid damage to rear tires, use Low Profile Z-Chain the vehicle, drive slowly, readjust, or SAE Class S cables. Putting a used wheel on the or remove the device if it is vehicle is dangerous.
Page 346: If A Tire Goes Flat
It may be very bumpy and noisy, but you can still steer. Gently brake to a It is unusual for a tire to blowout stop, well off the road, if possible. Lifting a vehicle and getting while you are driving, especially if under it to do maintenance or you maintain the vehicle's tires properly.
Page 347 When the vehicle has a flat tire (B), use the following example as a guide to assist in the placement of Changing a tire can be wheel blocks (A). 3. Turn off the engine and do dangerous. The vehicle can not restart while the vehicle slip off the jack and roll over or is raised.
Page 348 If you have a van with the 15 passenger seating arrangement, the equipment you will need is secured on the rear floor of the passenger side of the vehicle. If you have a cargo van or a passenger van, the equipment you will need is located in the passenger side rear corner of the vehicle.
Page 349 To lower the spare tire from 3. Turn the wheel wrench the vehicle: counterclockwise to lower the spare tire to the ground. Continue to turn the wheel wrench until the spare tire can be pulled out from under the vehicle. 1.
Page 350 If the vehicle has plastic wheel nut caps, loosen them by turning the wheel wrench counterclockwise. The wheel nut caps are designed to remain with the center cap. Remove the center cap. If the wheel has a smooth center piece, place the chisel end of the wheel wrench in the slot on the wheel and gently pry it out.
Page 351 4. Position the jack under the vehicle as shown. The front position jacking point is on the frame. The rear position jacking point is on the rear axle. If the exhaust system interferes in the jack location in the rear axle, such as in Diesel vehicles, place the jack (A) on the rear axle between the axle housing...
Page 352 Raising the vehicle with the wheel attaches to the vehicle. In jack improperly positioned can an emergency, use a cloth or a damage the vehicle and even paper towel to do this; but be sure make the vehicle fall. To help to use a scraper or wire brush avoid personal injury and vehicle later, if needed, to get all the rust...
Page 353 10. Lower the vehicle by turning the jack handle counterclockwise. Never use oil or grease on bolts If any stud is damaged because Lower the jack completely. or nuts because the nuts might of a loose-running wheel, it could come loose. The vehicle's wheel be that all of the studs are could fall off, causing a crash.
Page 354 12. Put the wheel cover or the center cap and plastic wheel nut caps back on. Wheel nuts that are improperly or Remove any wheel blocks. incorrectly tightened can cause Have a technician check the wheels to become loose or the wheel nut tightness come off.
Page 355 secure and the cable is tight. The spare tire hoist cannot be overtightened. Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone.
Page 356: Secondary Latch System
To release the spare tire from the 1. Check under the vehicle to see if secondary latch: the cable end is visible. This vehicle has an underbody-mounted tire hoist assembly equipped with a secondary latch system. It is Someone standing too close designed to stop the spare tire from during the procedure could be suddenly falling off the vehicle if the...
Page 357 spare tire and turn the handle Turn the wheel wrench clockwise to raise the jack until it counterclockwise to lower the lifts the secondary latch spring. spare the rest of the way. 8. Tilt the retainer at the end of the 5.
Page 358 To continue changing the flat tire, After installing the spare tire on the return to Step 4 of Storing a Flat or vehicle, you should stop as soon as For more information about the Spare Tire and Tools under possible and make sure the spare is vehicle battery, see correctly inflated.
Page 359 2. Get the vehicles close enough so the jumper cables can reach, but be sure the vehicles are not touching each other. If they are, it could cause a ground connection you do not want. You would not be able to start your vehicle, and the bad grounding could damage the 3.
Page 360 4. Open the hoods and locate the positive (+) terminal if the vehicle positive (+) and negative ( ) has one. Negative ( ) will go to terminal locations of the an unpainted metal part or to a Battery fluid contains acid that other vehicle.
Page 361 Do not let the other end touch the vehicle with the dead battery. anything until the next step. The On your van, use the unpainted other end of the negative ( ) radio antenna bracket as a cable does not go to the dead remote negative ( ) terminal.
Page 362 To disconnect the jumper cables from both vehicles, do the following: 1. Disconnect the black negative ( ) cable from the vehicle that had the dead battery. 2. Disconnect the black negative ( ) cable from the vehicle with the good battery. 3.
Page 363: Towing The Vehicle
What is the distance that will be travelled? Some vehicles have restrictions on how far and how long they can tow. Recreational vehicle towing means towing the vehicle behind another Is the proper towing equipment vehicle such as behind a motor going to be used? See your home.
Page 364 Two-wheel-drive transmissions have no provisions for internal lubrication while being towed. The vehicle was not designed to be towed with all four wheels on the ground. To properly tow these vehicles, they should be placed on a platform trailer with all four wheels off the ground.
Page 365: Towing
3. Firmly set the parking brake. for more information. 4. Put the transmission in P (Park). 5. Secure the vehicle to the dolly following the manufacturer's instructions. 6. Use an adequate clamping device designed for towing to ensure that the front wheels are locked into the straight position.
Page 366 High pressure car washes may cause water to enter the vehicle. Avoid using high pressure washes closer than 30 cm (12 in) to the Do not wash the vehicle in direct surface of the vehicle. Use of power If dirt and/or contaminants build up sunlight.
Page 367 Always use waxes and polishes that To help keep the paint finish looking Wash the windshield thoroughly are non-abrasive and made for a new, keep the vehicle garaged or when cleaning the blades. Bugs, basecoat/clearcoat paint finish. covered whenever possible. road grime, sap and a buildup of vehicle wash/wax treatments may cause wiper streaking.
Page 368 Keep the wheels clean using a Original manufacturer replacement soft clean cloth with mild soap and parts will provide the corrosion water. Rinse with clean water. protection while maintaining the After rinsing thoroughly, dry with a vehicle warranty. soft clean towel. A wax may then be applied.
Page 369 At least every spring, flush these upholstery. It is important to keep materials from the underbody with the upholstery from becoming Some weather and atmospheric plain water. Clean any areas where and remaining heavily soiled. conditions can create a chemical mud and debris can collect.
Page 370 Do not clean the vehicle using: A knife or any other sharp object Use a vacuum cleaner with a to remove a soil from any interior soft brush attachment frequently surface. to remove dust and loose dirt. A canister vacuum with a beater bar A stiff brush.
Page 371 3. Start on the outside edge of the Some commercial products may soil and gently rub toward the increase gloss on the instrument center. Continue cleaning, using panel. The increase in gloss may A soft cloth dampened with water a clean area of the cloth each cause annoying reflections in the may be used to remove dust.
Page 372 Use the following guidelines for proper floor mat usage. The original equipment floor mats were designed for the If a floor mat is the wrong size or vehicle. If the floor mats need replacing, it is recommended is not properly installed, it can that GM certified floor mats be interfere with the accelerator purchased.

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