Every Engine Oil Change
.Change engine oil and filter. SeeEngine Oilonpage 7!17.An Emission Control Service.
.Engine coolant level check. SeeEngine Coolanton page 7!29.
.Windshield washer fluid level check. SeeWindshield Washer Fluid on page 7!39.
.Tire inflation check. SeeInflation - Tire Pressureon page 7!65.
.Tire wear inspection. SeeTire Inspection andRotation on page 7!71.
.Rotate tires. SeeTire Inspection and Rotationonpage 7!71.
.Fluids visual leak check (or every 12 months,whichever occurs first). A leak in any system mustbe repaired and the fluid level checked.
.Engine air cleaner filter inspection. SeeEngine AirCleaner/Filter on page 7!22.
.Brake system inspection (or every 12 months,whichever occurs first).
.Lubricate the front suspension, steering linkage,and parking brake cable guides. Control arm balljoints are maintenance!free.
.Steering and suspension inspection. Visualinspection for damaged, loose, or missing parts orsigns of wear.
.Engine cooling system inspection. Visualinspection of hoses, pipes, fittings, and clamps andreplacement, if needed.
.Windshield wiper blade inspection for wear,cracking, or contamination and windshield andwiper blade cleaning, if contaminated. SeeWindshield, Backglass, and Wiper Bladesonpage 7!104. Worn or damaged wiper bladereplacement. SeeWindshield Wiper BladeReplacement on page 7!57.
.Body hinges and latches, key lock cylinders, rearcompartment hinges, outer tailgate handle pivotpoints, and folding seat hardware lubrication. SeeRecommended Fluids and Lubricantsonpage 8!10. More frequent lubrication may berequired when vehicle is exposed to a corrosiveenvironment. Applying silicone grease onweatherstrips with a clean cloth makes them lastlonger, seal better, and not stick or squeak.
.Restraint system component check. SeeCheckingthe Restraint Systems on page 2!91.
.Automatic transmission fluid level check andadding fluid, if needed. SeeAutomaticTransmission Fluid on page 7!24.
8-4
Additional Required Services
At Each Fuel Stop
.Engine oil level check. SeeEngine Oilonpage 7!17.
.Engine coolant level check. SeeEngine Coolanton page 7!29.
.Windshield washer fluid level check. SeeWindshield Washer Fluid on page 7!39.
Once a Month
.Tire inflation check. SeeInflation - Tire Pressureon page 7!65.
.Tire wear inspection. SeeTire Inspection andRotation on page 7!71.
Once a Year
.Starter switch check. SeeOwner Checks andServices on page 8!8.
.Parking brake and automatic transmission P (Park)mechanism check. SeeOwner Checks andServices on page 8!8.
.Automatic transmission shiftlock control systemcheck. SeeOwner Checks and Servicesonp a g e 8!8.
.Ignition transmission lock check. SeeOwnerChecks and Services on page 8!8.
.Engine cooling system and pressure cap pressurecheck. Radiator and air conditioning condenseroutside cleaning. SeeCooling Systemonpage 7!28.
.Exhaust system and nearby heat shieldsinspection for loose or damaged components.
.Accelerator pedal check for damage, high effort,or binding. Replace if needed.
.Hood and liftgate support gas strut inspection forsigns of wear, corrosion, cracks, loss of lubricant,or other damage. Check the hold open ability ofthe gas strut. If necessary, replace with genuineparts from your dealer/retailer.
8-5
First Engine Oil Change After Every
40 000 km/25,000 Miles
.Fuel system inspection for damage or leaks.
First Engine Oil Change After Every
80 000 km/50,000 Miles
.Engine air cleaner filter replacement. SeeEngineAir Cleaner/Filter on page 7!22.
.Automatic transmission fluid and filter change(severe service) for vehicles mainly driven in heavycity traffic in hot weather, in hilly or mountainousterrain, when frequently towing a trailer, or used fortaxi, police, or delivery service. SeeAutomaticTransmission Fluid on page 7!24.
.Four!wheel drive only: Transfer case fluid change(severe service) for vehicles mainly driven whenfrequently towing a trailer, or used for taxi, police,or delivery service. Check vent hose at transfercase for kinks and proper installation. Check to besure vent hose is unobstructed, clear, and free of
debris. During any maintenance, if a power washeris used to clean mud and dirt from the underbody,care should be taken to not directly spray thetransfer case output seals. High pressure watercan overcome the seals and contaminate thetransfer case fluid. Contaminated fluid willdecrease the life of the transfer case and shouldbe replaced.
.Evaporative control system inspection. Check allfuel and vapor lines and hoses for proper hook!up,routing, and condition. Check that the purge valve,if the vehicle has one, works properly. Replace asneeded.An Emission Control Service. The U.S.Environmental Protection Agency or the CaliforniaAir Resources Board has determined that thefailure to perform this maintenance item will notnullify the emission warranty or limit recall liabilityprior to the completion of the vehicle's useful life.We, however, urge that all recommendedmaintenance services be performed at theindicated intervals and the maintenance berecorded.
8-6
First Engine Oil Change After Every
160 000 km/100,000 Miles
.Automatic transmission fluid and filter change(normal service). SeeAutomatic TransmissionFluid on page 7!24.
.Four!wheel drive only: Transfer case fluid change(normal service). Check vent hose at transfer casefor kinks and proper installation. Check to be surevent hose is unobstructed, clear, and free ofdebris. During any maintenance, if a power washeris used to clean mud and dirt from the underbody,care should be taken to not directly spray thetransfer case output seals. High pressure watercan overcome the seals and contaminate thetransfer case fluid. Contaminated fluid willdecrease the life of the transfer case and shouldbe replaced.
.Spark plug replacement and spark plug wiresinspection.An Emission Control Service.
First Engine Oil Change After Every
240 000 km/150,000 Miles
.Engine cooling system drain, flush, and refill,cooling system and cap pressure check, andcleaning of outside of radiator and air conditioningcondenser (or every 5 years, whichever occursfirst). SeeEngine Coolanton page 7!29.AnEmission Control Service.
.Engine accessory drive belt inspection for fraying,excessive cracks, or obvious damage andreplacement, if needed.An Emission ControlService.
8-7
Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, partnumber, or specification can be obtained from yourdealer/retailer.
UsageFluid/Lubricant
Engine Oil
The engine requires a special engineoil meeting GM Standard GM4718M.Oils meeting this standard can beidentified as synthetic, and shouldalso be identified with the AmericanPetroleum Institute (API) Certified forGasoline Engines starburst symbol.However, not all synthetic API oilswith the starburst symbol will meetthis GM standard. Look for and useonly oil that meets GM StandardGM4718M. For the proper viscosity,seeEngine Oil on page 7!17.
UsageFluid/Lubricant
Engine Coolant
50/50 mixture of clean, drinkablewater and use only DEX-COOL®
Coolant. SeeEngine Coolantonp a g e 7!29.
Hydraulic BrakeSystem
DOT 3 Hydraulic Brake Fluid(GM Part No. U.S. 12377967, inCanada 89021320).
WindshieldWasherOptikleen®Washer Solvent.
Power SteeringSystem
GM Power Steering Fluid(GM Part No. U.S. 89021184, inCanada 89021186).
AutomaticTransmissionDEXRON®-VI Automatic TransmissionFluid.
Key LockCylinders
Multi-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
8-10
UsageFluid/Lubricant
ChassisLubrication
Chassis Lubricant(GM Part No. U.S. 12377985, inCanada 88901242) or lubricantmeeting requirements of NLGI #2,Category LB or GC-LB.
Front andRear Axle
SAE 75W-90 Synthetic Axle Lubricant(GM Part No. U.S. 89021677, inCanada 89021678) meetingGM Specification 9986115.
Transfer CaseDEXRON®-VI Automatic TransmissionFluid.
Hood HingesMulti-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
Body DoorHinge Pins,Tailgate Hingeand Linkage,Folding Seats,and Fuel DoorHinge
Multi-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
UsageFluid/Lubricant
Outer TailgateHandle PivotPoints
Multi-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
WeatherstripConditioning
Weatherstrip Lubricant(GM Part No. U.S. 3634770, inCanada 10953518) orDielectric Silicone Grease(GM Part No. U.S. 12345579, inCanada 992887).
WeatherstripSqueaks
Synthetic Grease withTeflon, Superlube(GM Part No. U.S. 12371287, inCanada 10953437).
8-11
Appearance Care (cont.)
Underbody Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .7-106
Washing Your Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . .7-102
Weatherstrips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-102
Windshield, Backglass, and Wiper Blades . . . . . . .7-104
Wood Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-101
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Assist Handles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64
Audio System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-67
Audio Steering Wheel Controls . . . . . . . . . . . . . . . . . .4-105
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-60
Radio Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-107
Rear Seat (RSA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-103
Theft-Deterrent Feature . . . . . . . . . . . . . . . . . . . . . . . . . .4-105
XM™Satellite Radio Antenna System . . . . . . . . . . .4-108
Automatic Headlamp System . . . . . . . . . . . . . . . . . . . . . . 4-15
Automatic Transmission
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
Autoride®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-42
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
B
Back-Up Lamps - Ambulance Body
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-55
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43
Electric Power Management . . . . . . . . . . . . . . . . . . . . . . 4-18
Run-Down Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Belt Routing, Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Bench Seat, Split (60/40) . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Bluetooth®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-67
Brake
Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Pedal and Adjustable Throttle . . . . . . . . . . . . . . . . . . . . 3-30
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-40
Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38
System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-33
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4
Braking in Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-6
Break-In, New Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Bucket Seats, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-56
Back-Up Lamps - Ambulance Body . . . . . . . . . . . . . . . 7-55
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-52
i - 2
Engine (cont.)
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-28
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
Fan Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-37
Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17
Overheated Protection Operating Mode . . . . . . . . . . 7-37
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
Engine Oil
Life System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Event Data Recorders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Extender, Safety Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-48
Exterior Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
F
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Filter
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Finish Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-106
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-79
Flat Tire, Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-80
Flat Tire, Storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-94
Fluid
Automatic Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Power Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38
Windshield Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-39
Fog Lamps
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
Front Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-51
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-7
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
California Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
E85 (85% Ethanol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . 7-13
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
Fuels in Foreign Countries . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Gasoline Octane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Gasoline Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Management, Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
Fuel Economy
Driving for Better . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
i - 6