Page 117: Table Of Contents
Instruments and Controls Instruments and Engine Coolant Temperature Vehicle Messages Gauge ..... . 5-15 Vehicle Messages ... 5-32 Controls Voltmeter Gauge .
Page 118: Instruments And Controls
Instruments and Controls Controls 2. Release the lever to lock the (Next/Previous): Press steering wheel in place. to select preset or favorite radio stations, select tracks on a CD, Steering Wheel Do not adjust the steering wheel ® or navigate an iPod or USB device.
Page 119: Horn
Instruments and Controls For vehicles with a CD Player or 2. Press and release (Mute/Push to Talk): Press to USB port: silence the vehicle speakers only. to scroll up or down the list, then Press again to turn the sound on. press and hold , or press Press...
Page 120: Windshield Wiper/Washer
Instruments and Controls Windshield Wiper/Washer (Low Speed): Slow wipes. WARNING (High Speed): Fast wipes. In freezing weather, do not use (Off): Use to turn the the washer until the windshield is wipers off. warmed. Otherwise the washer When driving during the day and fluid can form ice on the the wipers are activated, the head windshield, blocking your vision.
Page 121 Instruments and Controls Compass variance is the difference 4. Press until the vehicle between the earth's magnetic north heading, for example, N for and true geographic north. If the North, is displayed in the DIC. compass is not set to the zone 5.
Page 122: Clock
Instruments and Controls If the DIC display does not show a Do not operate any switches Clock heading, for example, N for North, such as window, sunroof, AM/FM Radio with Optional or the heading does not change climate controls, seats, etc. after making turns, there may be a during the calibration procedure.
Page 123 Instruments and Controls 2. While either the hour or the To set the time and date, follow the Changing the Time and Date minutes are flashing, turn instructions: Default Settings knob, located on the upper You can change the time default 1.
Page 124: Power Outlets
Instruments and Controls MP3 Radio with a Six-Disc CD 3. To decrease, press the 2. Press the softkey located under the desired option. Player left SEEK arrow or the REV button, or turn 3. Press the MENU button again to If the vehicle has a radio with a apply the selected default, or let knob, located on the...
Page 125: Cigarette Lighter
Instruments and Controls Hanging heavy Ashtrays WARNING equipment from the power For vehicles with an ashtray it is outlet can cause damage not Power is always supplied to the located in the center console or on covered by the vehicle warranty. outlets.
Page 126: Warning Lights, Gauges, And Indicators
5-10 Instruments and Controls 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 127: Instrument Cluster
Instruments and Controls 5-11 Instrument Cluster English 4 Speed Version Shown, 6 Speed and Metric Similar...
Page 128: Speedometer
5-12 Instruments and Controls If the vehicle has a diesel engine, If the vehicle needs a new odometer Press the on the Driver see the Duramax diesel supplement installed, it must be set to the Information Center (DIC) switch to for more information.
Page 129: Fuel Gauge
Instruments and Controls 5-13 It takes a little more or less fuel Fuel Gauge The fuel gauge, when the ignition is to fill up than the fuel gauge on, indicates how much fuel is left in indicated. For example, the the vehicle fuel tank.
Page 130: Engine Oil Pressure
5-14 Instruments and Controls 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 131: Engine Coolant Temperature
Instruments and Controls 5-15 Engine Coolant the 125°C (260°F) mark, it indicates that the cooling system is working Temperature Gauge beyond its capacity. Voltmeter Gauge English This gauge shows the engine coolant temperature. Metric It also provides an indicator of how hard the vehicle is working.
Page 132: Safety Belt Reminders
5-16 Instruments and Controls When the engine is running, the Safety Belt Reminders Passenger Safety Belt gauge shows the condition of the Reminder Light Driver Safety Belt Reminder charging system. Readings between the low and high warning zones Light indicate the normal operating range. There is a driver safety belt Readings in the low warning zone reminder light on the instrument...
Page 133: Airbag Readiness Light
Instruments and Controls 5-17 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 134: Airbag On-Off Light
5-18 Instruments and Controls Airbag On-Off Light WARNING When the right front passenger If the right front passenger airbag airbag is manually turned off using is turned off for a person who is the airbag on-off switch on the instrument panel, if equipped, the not in a risk group identified by indicator light OFF or the off symbol the national government, that...
Page 135: Passenger Airbag Status
Instruments and Controls 5-19 Passenger Airbag Status as a system check. If you are using WARNING remote start, if equipped, to start the Indicator vehicle from a distance, you may If the airbag readiness light not see the system check. Then, If the vehicle has a passenger ever comes on and stays on, it after several more seconds, the...
Page 136: Charging System Light
5-20 Instruments and Controls If, after several seconds, both status Charging System Light indicator lights remain on, or if there for more are no lights at all, there may be information. This light could indicate a problem with the lights or the that there are problems with a passenger sensing system.
Page 137 Instruments and Controls 5-21 If the vehicle is pass a required Emission continually driven with this light Inspection/Maintenance on, after a while, the emission test. See controls might not work as well, the vehicle fuel economy might This light comes on during a not be as good, and the engine malfunction in one of two ways: might not run as smoothly.
Page 138 5-22 Instruments and Controls If the light continues to flash, A few driving trips with the cap If one or more of these when it is safe to do so, stop the properly installed should turn the conditions occurs, change vehicle.
Page 139: Brake System Warning
Instruments and Controls 5-23 down. The diagnostic system evaluates critical emission control systems during normal driving. This can take several days of routine driving. If this has been done and the vehicle still does not Metric English The DLC is under the instrument pass the inspection, your dealer panel to the left of the steering can prepare the vehicle for...
Page 140: Antilock Brake System (Abs)
5-24 Instruments and Controls If the light comes on while driving, Antilock Brake System If the regular brake system warning pull off the road and stop carefully. light is also on, the vehicle does not (ABS) Warning Light The pedal might be harder to push, have antilock brakes and there is or the pedal might go closer to the a problem with the regular brakes.
Page 141: Stabilitrak ® Indicator Light
Instruments and Controls 5-25 ® StabiliTrak Indicator Tire Pressure Light A tire pressure message can accompany the light. See Light for more information. Stop as soon as possible, and inflate the tires to the pressure value shown on the Tire and Loading Information Label.
Page 142: Engine Oil Pressure Light
5-26 Instruments and Controls Engine Oil Pressure Light This light comes on briefly while High-Beam On Light starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off.
Page 143: Cruise Control Light
Instruments and Controls 5-27 Cruise Control Light Information Displays If the vehicle has these features, the DIC also displays the compass direction and the outside air Driver Information temperature when viewing the trip Center (DIC) and fuel information. The compass direction appears on the top This vehicle has a Driver right corner of the DIC display.
Page 144 5-28 Instruments and Controls DIC Buttons Trip/Fuel Menu Items (Vehicle Information): Press this button to display the oil life, (Trip/Fuel): Press this button units, tire pressure readings for to scroll through the following menu vehicles with the Tire Pressure items: Monitor System (TPMS), engine Odometer hours, Tire Pressure Monitor...
Page 145 Instruments and Controls 5-29 The trip odometer has a feature If the retro-active reset feature is fuel tank. This is because different called the retro-active reset. This activated after the vehicle is started, driving conditions produce different can be used to set the trip odometer but before it begins moving, the fuel economies.
Page 146 5-30 Instruments and Controls Fuel Used Vehicle Information Menu To stop the timer, press briefly Items while TIMER is displayed. Press until FUEL USED (Vehicle Information): Press displays. This display shows the To reset the timer to zero, press and this button to scroll through the number of liters (L) or gallons (gal) hold...
Page 147 Instruments and Controls 5-31 oil life, additional maintenance is Tire Pressure Engine Hours recommended in the Maintenance If the vehicle has the Tire Pressure Press until ENGINE HOURS Schedule in this manual. See Monitor System (TPMS), the displays. This display shows the pressure for each tire can be total number of hours the engine for more information.
Page 148: Vehicle Messages
5-32 Instruments and Controls Change Compass Zone Vehicle Messages Battery Voltage and Charging Messages The vehicle may have this feature. Messages displayed on the DIC To change the compass zone indicate the status of the vehicle SERVICE BATTERY through the DIC, see or some action may be needed CHARGING SYSTEM to correct a condition.
Page 149: Compass Messages
Instruments and Controls 5-33 and turn off the vehicle. Restart the Door Ajar Messages LEFT REAR DOOR OPEN vehicle and check for the message On some vehicles, this message CARGO DOOR OPEN on the DIC display. If the message displays and a chime sounds if the is still displayed or appears again This message displays and a chime driver side rear door is not fully...
Page 150: Engine Cooling System
5-34 Instruments and Controls RIGHT REAR DOOR OPEN normal, the air conditioning ENGINE OVERHEATED STOP compressor turns back on. You ENGINE On some vehicles, this message can continue to drive the vehicle. displays and a chime sounds if the If you drive the vehicle If this message continues to appear, passenger side rear door is not fully while the engine is overheating,...
Page 151: Engine Oil Messages
Instruments and Controls 5-35 Engine Oil Messages OIL PRESSURE LOW STOP Engine Power Messages ENGINE CHANGE ENGINE OIL SOON ENGINE POWER IS REDUCED If you drive the vehicle This message displays when the This message displays and a chime while the engine oil pressure is engine oil needs to be changed.
Page 152: Fuel System Messages
5-36 Instruments and Controls Fuel System Messages Key and Lock Messages TURN SIGNAL ON This message displays and a chime FUEL LEVEL LOW REPLACE BATTERY IN sounds if a turn signal is left on for REMOTE KEY This message displays and a chime 1.2 km (3/4 of a mile).
Page 153 Instruments and Controls 5-37 SERVICE TRACTION STABILITRAK OFF There are several conditions that can cause this message to appear. CONTROL If the vehicle has StabiliTrak, this One condition is overheating, message displays when you turn If the vehicle has StabiliTrak, this which could occur if StabiliTrak off StabiliTrak, or when the stability message displays when there is a...
Page 154: Messages
5-38 Instruments and Controls TRACTION CONTROL OFF Anti-Theft Alarm System Service Vehicle Messages Messages If the vehicle has StabiliTrak, this SERVICE A/C SYSTEM message displays when the Traction SERVICE THEFT DETERRENT This message displays when the Control System (TCS) is turned off. SYSTEM electronic sensors that control the Adjust your driving accordingly.
Page 155: Tire Messages
Instruments and Controls 5-39 This message only appears while to those shown on the Tire Loading TIRE LEARNING ACTIVE the ignition is in ON/RUN, and will Information label. See If the vehicle has the Tire Pressure not disappear until the problem is Monitor System (TPMS), this resolved.
Page 156: Vehicle Reminder
5-40 Instruments and Controls TRANSMISSION HOT IDLE Stop the vehicle and let it idle to Vehicle allow the transmission to cool. This ENGINE Personalization message clears and the chime If you drive the vehicle stops when the fluid temperature This vehicle may have while the transmission fluid is reaches a safe level.
Page 157 Instruments and Controls 5-41 To change customization Feature Settings Menu Items Press until the LANGUAGE preferences, use the following screen appears on the DIC display. The following are customization procedure. features that allow you to program Press once to access the settings settings to the vehicle: Entering the Feature for this feature.
Page 158 5-42 Instruments and Controls AUTO DOOR LOCK AUTO DOOR UNLOCK ALL IN PARK (default): All of the doors will unlock when the vehicle is This feature allows you to This feature allows you to select shifted into P (Park). select when the doors will whether or not to turn off the automatically lock.
Page 159 Instruments and Controls 5-43 NO CHANGE: No change will be Press until REMOTE DOOR Press until REMOTE DOOR made to this feature. The current LOCK appears on the DIC display. UNLOCK appears on the DIC setting will remain. Press once to access the settings display.
Page 160 5-44 Instruments and Controls DELAY DOOR LOCK ON (default): The doors will not 10 SECONDS (default): The lock until five seconds after the last exterior lamps will stay on for This feature allows you to select door is closed. 10 seconds. whether or not the locking of the doors will be delayed.
Page 161 Instruments and Controls 5-45 NO CHANGE: No change will be NO CHANGE: No change will be Press until APPROACH made to this feature. The current made to this feature. The current LIGHTING appears on the DIC setting will remain. setting will remain. display.
Page 162 5-46 Instruments and Controls DO NOT RESTORE: The If you do not exit, pressing will customization features will not be return you to the beginning of the set to their factory default settings. feature settings menu. To select a setting, press while Exiting the Feature the desired setting is displayed on...
Page 267 Automatic Transmission Automatic Transmission Shift Fluid (4-Speed Lock Control Function Transmission) ... . . 10-15 Check ..... 10-37 Automatic Transmission Ignition Transmission Lock Fluid (6-Speed...
Page 268 Tire Inspection ....10-64 Tire Rotation ....10-64 Electrical System Jump Starting ....10-86 Dual Tire Rotation .
Page 269 For service and parts needs, visit your dealer. You will receive Most motor vehicles, including this Certain types of automotive genuine GM parts and GM-trained one, contain and/or emit chemicals applications, such as airbag and supported service people. known to the State of California to initiators, seat belt pretensioners, cause cancer and birth defects or and lithium batteries contained in...
Page 270 Damage to vehicle components resulting from the installation or use of non GM certified parts, including control module modifications, is not Adding non dealer accessories covered under the terms of the to the vehicle can affect vehicle The following information relates vehicle warranty and may affect performance and safety, including to compliance with federal noise...
Page 271 Federal law prohibits the following Among those acts presumed to acts or the causing thereof: constitute tampering are the acts Removal of the air cleaner listed below. 1. The removal or rendering silencer. inoperative by any person, Modification of the air cleaner. other than for purposes of Removal of the noise shields or maintenance, repair or...
Page 272 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 273 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 275 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 276 Change the engine oil at the Obtaining an accurate oil level appropriate time. See reading is essential: For diesel engine vehicles, see 1. If the engine has been running Engine Oil in the Duramax Diesel Always dispose of engine oil recently, turn off the engine and Supplement.
Page 277 See Selecting the Right Engine Oil in this section for an explanation of what kind of oil to use. For engine oil crankcase capacity, see for the location of the If the oil is below the cross-hatched engine oil fill cap. area at the tip of the dipstick, add 1 L (1 qt) of the recommended Add enough oil to put the level...
Page 278 Use of Substitute Engine Oils if dexos is unavailable: In the event Selecting the right engine oil that dexos approved engine oil depends on both the proper oil is not available at an oil change specification and viscosity grade: or for maintaining proper oil level, you may use substitute engine oil displaying the API Starburst symbol Use and ask for engine oils with...
Page 279 ( 20°F), an SAE 0W-30 oil should be used. An oil of this viscosity Used engine oil contains certain grade will provide easier cold elements that can be unhealthy for starting for the engine at extremely your skin and could even cause low temperatures.
Page 280 It is possible that, if driving under the best conditions, the oil life system might indicate that an oil Reset the system whenever the change is not necessary for up to a This vehicle has a computer system engine oil is changed so that the year.
Page 281 If not taken to the dealer, be sure to To get the right reading, the fluid follow all the instructions here or a should be at normal operating false reading on the dipstick could temperature, which is 82°C to 93°C result.
Page 282 Then, without shutting off the engine, follow these steps: 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). 3. Check both sides of the dipstick, and read the lower level.
Page 283 Refer to determine what kind of transmission fluid to use. Using a funnel, add fluid down It is usually not necessary to the transmission dipstick tube only check the transmission fluid level. After adding fluid, recheck the after checking the transmission The only reason for fluid loss is a fluid level as described under fluid while it is hot.
Page 284 Wait at least 30 minutes with the Warm or Hot before adding fluid. engine Off, before checking the If the outside temperature is colder transmission fluid level if the vehicle than 15°C (60°F) or hotter than Because this operation can be has been driven: 32°C (90°F), a cold check cannot be difficult, it is recommended to...
Page 285 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 286 When the correct fluid level is 4. If the fluid level is in the the proper fluid to bring the level up obtained, push the dipstick acceptable range, push the to the middle of the WARM (A) or back in all the way; then flip the dipstick back in all the way;...
Page 287 To inspect or replace the engine air for more information on cleaner/filter, do the following: location. 1. Unhook the retainer clips and Operating the engine with the air remove the cover. cleaner/filter off can cause you or others to be burned. The air 2.
Page 288 If the vehicle has a diesel engine, An electric engine cooling fan can see Van Models under Cooling start even when the engine is not System in the Duramax diesel manual. running. To avoid injury, always keep hands, clothing, and tools The cooling system allows the away from any engine engine to maintain the correct...
Page 289 Use a 50/50 mixture of clean, drinkable water and DEX-COOL coolant. If using this mixture, nothing else needs to be added. This mixture: Adding only plain water or some other liquid to the cooling system Gives freezing protection down can be dangerous. Plain water to 37°C ( 34°F), outside and other liquids, can boil before temperature.
Page 290 When the engine is cold, the coolant level should be at or above the The vehicle must be on a level COLD FILL mark. If it is not, there surface when checking the coolant You can be burned if you spill could be a leak in the cooling level.
Page 291 If coolant is needed, add the proper mixture directly to the radiator, but be sure the cooling system is cool If the vehicle has a diesel engine, Steam and scalding liquids from before this is done. see How to Add Coolant to the a hot cooling system can blow Radiator under Van Models in out and burn you badly.
Page 292 3. Fill the radiator with the proper 4. Fill the coolant recovery tank to 6. Start the engine and let it run DEX-COOL coolant mixture, up the COLD FILL mark. until the upper radiator hose can to the base of the filler neck. be felt getting hot.
Page 293 8. Replace the pressure cap. At There is an engine coolant See if the engine cooling fan speed any time during this procedure if temperature gauge on the vehicle's increases when idle speed is coolant begins to flow out of the instrument panel.
Page 294 3. In heavy traffic, let the engine idle in N (Neutral) while stopped. If it is safe to do so, pull off If an engine overheat warning is the road, shift to P (Park) displayed but no steam can be seen or N (Neutral) and let the or heard, the problem may not be engine idle.
Page 295 The vehicle has a clutched engine To check the power steering fluid, cooling fan. When the clutch is do the following: engaged, the fan spins faster to provide more air to cool the engine. 1. Turn the key off and let the In most everyday driving conditions, engine compartment cool down.
Page 296 To determine what kind of fluid to use, see . Always use the proper fluid. Failure to use the proper fluid can cause leaks and damage hoses and seals. Open the cap with the washer symbol on it. Add washer fluid until the tank is full.
Page 297 Brake linings should always be installing disc brake pads that are replaced as complete axle sets. wrong for the vehicle, can change the balance between the front and The brake wear warning sound rear brakes for the worse. The means that soon the brakes will braking performance expected can See your dealer if the brake pedal not work well.
Page 298 There are only two reasons why the brake fluid level in the reservoir Check brake fluid by looking at the might go down: brake fluid reservoir. See If too much brake fluid is added, The brake fluid level goes down it can spill on the engine and/or because of normal brake lining fuel operated heater parts,...
Page 299 Use only new DOT 3 brake fluid from a sealed container. See Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to Always clean the brake fluid cause cancer and reproductive reservoir cap and the area around the cap before removing it.
Page 300 Extended Storage: Remove the black, negative ( ) cable from the Refer to battery or use a battery trickle charger. determine what kind of lubricant to use. Refer to the Maintenance Schedule Refer to the Maintenance Schedule to determine how often to check to determine how often to check the the lubricant.
Page 301 When the differential is at operating temperature (warm), add enough To get an accurate reading, the lubricant to raise the level to the vehicle should be on a level bottom of the fill plug hole. surface. Refer to determine what kind of lubricant to use.
Page 302 Federal law prohibits the following acts or the causing thereof: Removal of the noise shields or Refer to 1. The removal or rendering any underhood insulation. inoperative by any person, determine what kind of lubricant other than for purposes of to use.
Page 303 2. Firmly apply both the parking brake and the regular brake. Removal of the muffler and/or resonator. Removal of the exhaust pipes Do not use the accelerator and exhaust pipe clamps. pedal, and be ready to turn off the engine immediately if it When you are doing this starts.
Page 304 To check the P (Park) 3. With the engine off, turn the mechanism's holding ability: ignition on, but do not start the With the engine running, shift engine. Without applying the to P (Park). Then release the regular brake, try to move the parking brake followed by the shift lever out of P (Park) with regular brake.
Page 305 4. To install the new wiper insert, slide the notched end last, into For the proper type of replacement the end with two blade claws. bulbs, see Then slide the insert all the way through the blade claws at the opposite end.
Page 306 A. High Beam Headlamp 2. Remove the two bolts from the 5. Disconnect the electrical B. Low Beam Headlamp headlamp assembly. connector. To remove the headlamp assembly 3. Lift the headlamp assembly to 6. Turn the bulb counterclockwise from the vehicle and access the release the lower tabs from the one quarter turn to remove it bulbs:...
Page 307 8. Reverse the steps to reinstall the To replace the front turn signal, 7. Reinstall the lamp assembly into headlamp assembly. sidemarker, and/or parking lamp the grille until the outboard clip bulb(s): snaps into place. To prevent headlamp vibration and shortened bulb life, be sure to insert the headlamp assembly tabs in the slots at the lower To replace a taillamp/turn signal...
Page 308 4. Remove the third nut (C) from 7. Remove the bulb by pulling it the upper outboard side of straight out. the lamp. 8. Push the new bulb into the 5. Remove the taillamp assembly socket. from the vehicle. 9. Reinstall the bulb socket by turning it clockwise into the lamp assembly.
Page 309 To replace a bulb: 3. Turn the bulb socket counterclockwise one quarter To replace one of these bulbs: turn to remove it from the lamp assembly. 4. Pull the old bulb straight out of the socket and push the new bulb into the socket.
Page 310 3. Install the new bulb. 4. Reverse steps 1 and 2 to reinstall the license plate bulb Headlamps assembly. Composite High-Beam 9005LL The vehicle has fuses and circuit Headlamp breakers to protect against an electrical system overload. Composite Low-Beam 9006LL When the current electrical load is Back-up, Rear Headlamp...
Page 311 If there is a problem on the road and a fuse needs to be replaced, If the wiper motor overheats due to the same amperage fuse can be heavy snow or ice, the windshield borrowed. Choose some feature of The wiring circuits in the vehicle are wipers will stop until the motor cools the vehicle that is not needed to use protected from short circuits by a...
Page 312 The fuse block is located in the engine compartment on the driver side of the vehicle.
Page 313 The vehicle may not be equipped with all of the fuses, relays, and Fuel Pump Trailer Wiring features shown. Spare Auxiliary Power Outlet Right Stop/Turn Brake Switch Trailer Body Control Windshield Washer Module 3 Spare Horn Special Equipment Spare Transmission Option Fuel System Air Conditioning...
Page 314 Transmission Wiper Daytime Control Module Running Lamps 2 Canister Vent Battery (LOLVL V22) Solenoid (If Equipped) Spare Body Control Daytime Spare Module 2 Running Lamps 1 Fuel Operated Body Control (UPLVL+V22) Heater Module Module 1 (If Equipped) Fuel System Spare Auxiliary Stop Control Module Lamps...
Page 315 V6 Fuel Injectors ABS Motor Run/Crank Spare ABS Module Spare Oxygen Spare Fuel Pump Sensor 2 (Pre) Trailer Wiring Crank Engine Control Fan High Air Conditioning Module Powertrain Compressor Starter Solenoid Even Ignition/ Fan High Injectors Engine Control Module/Powertrain Powertrain Fuel System Spare Control Module...
Page 316 The vehicle may not be equipped with all of the fuses, relays, and features shown. Empty Steering Wheel Sensor Auxiliary Parking Lamps (Cut Away) Front Park Lamps Trailer Park Lamps Upfitter Park Lamps Right Rear Park Lamp Left Rear Park Lamp Outside Rear View Mirror Switch Airbag/Automatic...
Page 317 ® OnStar Ignition Rear Passenger (If Equipped) Switch/Discrete Door Unlock Logic Ignition Empty Driver Door Unlock Sensor (PK3) Heating, Empty Instrument Panel Ventilation and Air Empty Cluster Conditioning 2 Heating, Heating, Ventilation and Ventilation and Air Air Conditioning Upfitter Auxiliary 1 Conditioning 1 Control Empty...
Page 318: Tire Pressure
Upfitter Auxiliary 2 Under inflated tires pose the (High Current Mini) same danger as overloaded This new vehicle comes with Rear Defogger tires. The resulting crash high-quality tires made by a (High Current could cause serious injury. leading tire manufacturer. If you Micro) Check all tires frequently to ever have questions about the...
Page 319 Original Improperly repaired tires can equipment tires designed to cause a crash. Only the GM's specific tire performance dealer or an authorized tire criteria have a TPC specification service center should repair, replace, dismount, and mount code molded onto the sidewall. the tires.
Page 320 aspect ratio, construction type, The letters and numbers Maximum load and service description. See the following DOT code are the Tire that can be carried and the Tire Size illustration later in this Identification Number (TIN). The maximum pressure needed section for more detail.
Page 321 power brakes, power Maximum load that can windows, power seats, be carried and the maximum and air conditioning. pressure needed to support that The relationship load when used as a single. For of a tire's height to its width. information on recommended Department of Transportation A rubber coated layer of tire pressure see...
Page 322 identify the tire manufacturer, An assigned amount of air pressure in a tire, production plant, brand, and number ranging from 1 to 279 measured in kPa (kilopascal) date of production. that corresponds to the load or psi (pounds per square inch) carrying capacity of a tire.
Page 323 The portion of a tire Designated seating positions. that comes into contact with the road. side of an asymmetrical tire that A pneumatic Narrow has a particular side that faces tire in which the ply cords that bands, sometimes called wear outward when mounted on a extend to the beads are laid at bars, that show across the tread...
Page 324 A vehicle-specific Tire and The number of designated Loading Information label is seating positions multiplied by attached to the vehicle. This 68 kg (150 lbs) plus the rated label shows the vehicle's cargo load. See original equipment tires and the correct inflation pressures for the tires when they are cold.
Page 325: System
get a pressure measurement. the air pressure in your tires and transmit tire pressure readings to a If the cold tire inflation pressure Check the tires once a month receiver located in the vehicle. matches the recommended or more. pressure on the Tire and Each tire, including the spare Do not forget to check the Loading Information label, no...
Page 326 Accordingly, when the low tire telltale. When the system detects a pressure telltale illuminates, you malfunction, the telltale will flash for should stop and check your tires as approximately one minute and then soon as possible, and inflate them remain continuously illuminated. to the proper pressure.
Page 327 and displays, see , and The low tire pressure warning light may come on in cool weather when the vehicle is first started, and then When a low tire pressure condition turn off as you start to drive. This is detected, the TPMS illuminates could be an early indicator that the the low tire pressure warning light air pressure in the tire(s) is getting...
Page 328 One or more TPMS sensors The malfunction light and DIC are missing or damaged. The warning message come on at each malfunction light and the DIC ignition cycle until the problem is Each TPMS sensor has a unique message should go off when the corrected.
Page 329 The TPMS sensors can also be 3. Press the Remote Keyless 7. Proceed to the passenger matched to each tire/wheel position Entry (RKE) transmitter's side rear tire, and repeat the by increasing or decreasing the buttons at the same time procedure in Step 5.
Page 330 The tire has a puncture, cut, or other damage that cannot We recommend that you be repaired well because of regularly inspect the vehicle's the size or location of the tires, including the spare tire, damage. if the vehicle has one, for signs of wear or damage at least once a month.
Page 331 After the tires have been Lightly coat the center of the rotated, adjust the front and rear wheel hub with wheel bearing inflation pressures as shown on grease after a wheel change or Rust or dirt on a wheel, or on the the Tire and Loading Information tire rotation to prevent corrosion parts to which it is fastened, can...
Page 332 The outer tire on a dual wheel setup Some commercial truck tires, generally wears faster than the including Goodyear LT225/75R16 inner tire. Your tires will wear more G949 RSA and Goodyear LT225/ evenly and last longer if you rotate 75R16 G933 RSD, may not have Various factors, such as the tires periodically.
Page 333 GM's exclusive TPC Spec system considers over a dozen critical Tires age when stored normally GM has developed and matched specifications that impact the mounted on a parked vehicle. Park specific tires for the vehicle. The overall performance of the a vehicle that will be stored for at original equipment tires installed vehicle, including brake system...
Page 334: Tires
GM recommends replacing tires in sets of four. This is because uniform tread depth on all tires will help If you use bias-ply tires on the Mixing tires could cause you to keep the vehicle performing most lose control while driving. If you vehicle, the wheel rim flanges like it did when the tires were new.
Page 335 Non TPC Spec-rated tires may control, and electronic stability give a low pressure warning that is control, the performance of these higher or lower than the proper systems can be affected. warning level you would get with Quality grades can be found TPC Spec-rated tires.
Page 336: Grading
The Uniform Tire Quality Grading (UTQG) system The treadwear grade is a The traction grades, from does not apply to deep comparative rating based on the highest to lowest, are AA, A, B, tread, winter-type snow tires, wear rate of the tire when tested and C.
Page 337 is established for a tire that is properly inflated and not The temperature grades Replace any wheel that is bent, overloaded. Excessive speed, are A (the highest), B, and C, cracked, or badly rusted or underinflation, or excessive representing the tire's resistance corroded.
Page 338 If you need to replace any of the wheels, wheel bolts, wheel nuts, or Tire Pressure Monitor System (TPMS) sensors, replace them only with new GM original equipment Tire chains used on a vehicle parts. This way, you will be sure to without the proper amount of have the right wheel, wheel bolts, clearance can cause damage to...
Page 339: Tire Chains
For Cutaway models with LT245/ 75R16, LT225/75R16 or LT215/ It is unusual for a tire to blowout 85R16 size single or dual rear tires, while you are driving, especially if use Low Profile Z-Chain or SAE you maintain the vehicle's tires Class S cables.
Page 340: If A Tire Goes Flat
A rear blowout, particularly on a curve, acts much like a skid and may require the same correction Lifting a vehicle and getting Changing a tire can be you would use in a skid. In any rear under it to do maintenance or dangerous.
Page 341 To be certain the vehicle will not move, put blocks at the front and If you have a cargo van or a rear of the tire farthest away from passenger van, the equipment you the one being changed. That will need is located in the passenger would be the tire on the other side rear corner of the vehicle.
Page 342 If you have a van with the To lower the spare tire from the 15 passenger seating arrangement, vehicle: the equipment you will need is secured on the rear floor of the passenger side of the vehicle. The tools you will be using include: A.
Page 343 3. Turn the wheel wrench 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. Assemble the wheel wrench (G) to one or two of the jack handle If the spare tire does not lower to and the hoist extensions (F).
Page 344 3. Assemble the jack and tools: 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 345 4. Position the jack under the vehicle as shown. The front position jacking point is Raising the vehicle with the on the frame. The rear position jack improperly positioned can jacking point is on the rear axle. damage the vehicle and even make the vehicle fall.
Page 346 Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after time. The wheel could come off and cause an accident. When changing a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle.
Page 347 Wheel nuts that are not tight can operation. Replace any wheel if work loose. If all the nuts on a its stud holes have become larger wheel come off, the wheel can or distorted in any way. Inspect come off the vehicle, causing a hubs and hub piloted wheels crash.
Page 348 12. Put the wheel cover or the center cap and plastic wheel nut caps back on. Remove any Wheel nuts that are improperly or wheel blocks. incorrectly tightened can cause Have a technician check the wheels to become loose or the wheel nut tightness come off.
Page 349 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. Store all these in the proper place.
Page 350: Secondary Latch System
To release the spare tire from the secondary latch: 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 during the procedure could be from suddenly falling off the vehicle injured by the jack.
Page 351 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 5.
Page 352 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 For more information about the Spare Tire and Tools under as possible and make sure the vehicle battery, see spare is correctly inflated.
Page 353 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 electrical 3.
Page 354 4. Open the hoods and locate the Before you connect the cables, positive (+) and negative ( ) here are some basic things you terminal locations of the other should know. Positive (+) will go Battery fluid contains acid that vehicle.
Page 355 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 356 10. Try to start the vehicle that To disconnect the jumper cables had the dead battery. If it will from both vehicles, do the following: not start after a few tries, it 1. Disconnect the black probably needs service. negative ( ) cable from the vehicle that had the dead battery.
Page 357: 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 358 Two-wheel-drive vehicles should not be towed with all four wheels on the ground. 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 359 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 360 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 361 If the vehicle has a basecoat/ Exterior painted surfaces are clearcoat paint finish, the clearcoat subject to aging, weather and Clean the outside of the windshield gives more depth and gloss to chemical fallout that can take their with glass cleaner. the colored basecoat.
Page 362 The surface of these wheels is similar to the painted surface of the To clean the tires, use a stiff brush vehicle. Do not use strong soaps, with tire cleaner. chemicals, abrasive polishes, abrasive cleaners, cleaners with acid, or abrasive cleaning brushes on them because they could damage the surface.
Page 363 At least every spring, flush these Dirt packed in close areas of the materials from the underbody frame should be loosened before Any stone chips, fractures or deep with plain water. Clean any areas being flushed. Your dealer or an scratches in the finish should be where mud and debris can collect.
Page 364 When cleaning the interior, only Dust may be removed from small use cleaners specifically designed buttons and knobs using a small The interior will continue to for the surfaces being cleaned. brush with soft bristles. look its best if it is cleaned often. Permanent damage may result from Products that remove odors from Although not always visible, dust...
Page 365 Too much cleaner that saturates To clean: If the locally cleaned area gives any the upholstery. impression that a ring formation may 1. Saturate a lint-free, clean white result, clean the entire surface. Cleaners that contain solvents cloth with water or club soda. can damage the interior.
Page 366 Do not use silicone or wax-based Use the following guidelines for products, or those containing proper floor mat usage. organic solvents to clean the The original equipment floor interior because they can alter the mats were designed for the appearance by increasing the gloss If a floor mat is the wrong size vehicle.

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