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
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
Lights (cont.)
Oil Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38
On Reminder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . 4-31
Safety Belt Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
StabiliTrak®Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Loading Your Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-9
Locks
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Programmable Automatic Door Locks . . . . . . . . . . . . 3-11
Rear Door Security Locks . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Lower Anchors and Tethers for Children . . . . . . . . . . . 2-59
Lumbar
Power Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
M
Magnetic Ride Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-9
Maintenance Schedule
Maintenance Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14
Maintenance Replacement Parts . . . . . . . . . . . . . . . . . 8-12
Owner Checks and Services . . . . . . . . . . . . . . . . . . . . . . . 8-8
Recommended Fluids and Lubricants . . . . . . . . . . . . 8-10
Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Malfunction Indicator Lamp . . . . . . . . . . . . . . . . . . . . . . . . 4-36
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Memory Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6
Message
DIC Warnings and Messages . . . . . . . . . . . . . . . . . . . . . 4-48
Mirrors
Automatic Dimming Rearview . . . . . . . . . . . . . . . . . . . . . 3-43
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43
Outside Convex Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45
Outside Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45
Outside Power Foldaway Mirrors . . . . . . . . . . . . . . . . . 3-43
Park Tilt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44
i - 9