Page 377 of 432

•
Automatic transmission fluid level check and adding
fluid, if needed. SeeAutomatic Transmission Fluid
on page 6-22.
•
Engine air cleaner filter inspection. SeeEngine Air
Cleaner/Filter on page 6-19.
•
Passenger compartment air filter replacement
(or every 12 months, whichever occurs first).
More frequent replacement may be required if
vehicle is driven regularly under dusty conditions.
Additional Required ServicesAt Each Fuel Stop
•
Engine oil level check. SeeEngine Oil on
page 6-15.
•
Engine coolant level check. SeeEngine Coolant on
page 6-25.
•
Windshield washer fluid level check. SeeWindshield
Washer Fluid on page 6-33.
Once a Month
•
Tire inflation check. SeeInflation - Tire Pressure on
page 6-59.
•
Tire wear inspection. SeeTire Inspection and
Rotation on page 6-65.
Once a Year
•
Starter switch check. SeeOwner Checks and
Services on page 7-8.
•
Parking brake and automatic transmission P (Park)
mechanism check. SeeOwner Checks and
Services on page 7-8.
•
Automatic transmission shiftlock control system
check. SeeOwner Checks and Services on
page 7-8.
•
Ignition transmission lock check. SeeOwner
Checks and Services on page 7-8.
•
Engine cooling system and pressure cap pressure
check. Radiator and air conditioning condenser
outside cleaning. SeeCooling System on
page 6-24.
•
Exhaust system and nearby heat shields inspection
for loose or damaged components.
•
Throttle system inspection for interference, binding
or for damaged or missing parts. Replace parts as
needed. Replace any components that have
high effort or excessive wear. Do not lubricate
accelerator or cruise control cables.
7-5
Page 378 of 432

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. SeeEngine
Air Cleaner/Filter on page 6-19.
•
Automatic transmission fluid change (severe
service) for vehicles mainly driven in heavy
city traffic in hot weather, in hilly or mountainous
terrain, when frequently towing a trailer, or used for
taxi, police, or delivery service. SeeAutomatic
Transmission Fluid on page 6-22.
First Engine Oil Change After Every
160 000 km/100,000 Miles
•
Automatic transmission fluid change (normal
service). SeeAutomatic Transmission Fluid
on page 6-22.
•
Spark plug replacement and spark plug wires
inspection.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, and
cleaning of outside of radiator and air conditioning
condenser (or every 5 years, whichever occurs
first). SeeEngine Coolant on page 6-25.
An Emission Control Service.
•
Engine accessory drive belt inspection for fraying,
excessive cracks, or obvious damage and
replacement, if needed.An Emission Control
Service.
7-6
Page 379 of 432
Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and filter. Reset oil life system.••
Engine coolant level check.••
Windshield washer fluid level check.••
Tire inflation pressures check.••
Tire wear inspection.••
Rotate tires.••
Fluids visual leak check.••
Engine air cleaner filter inspection (vehicles driven in dusty conditions only).••
Brake system inspection.••
Steering and suspension inspection.•
Engine cooling system inspection.•
Windshield wiper blades inspection.•
Body components lubrication.•
Restraint system components check.•
Passenger compartment air filter replacement.•
Engine air cleaner filter inspection (vehicles not driven in dusty conditions).•
7-7
Page 380 of 432

Owner Checks and ServicesStarter Switch Check
{
WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enough
room around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 3-27.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicle
should start only in P (Park) or N (Neutral). If the
vehicle starts in any other position, contact
your dealer/retailer for service.
Automatic Transmission Shift Lock
Control System Check
{
WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enough
room around the vehicle. It should be parked on a
level surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 3-27.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to ON/RUN,
but do not start the engine. Without applying the
regular brake, try to move the shift lever out
of P (Park) with normal effort. If the shift lever
moves out of P (Park), contact your dealer/retailer
for service.
7-8
Page 381 of 432

Ignition Transmission Lock CheckWhile parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.•
The ignition should turn to LOCK/OFF only
when the shift lever is in P (Park).
•
The ignition key should come out only in
LOCK/OFF.
Contact your dealer/retailer if service is required.
Parking Brake and Automatic
Transmission P (Park) Mechanism
Check
{
WARNING:
When you are doing this check, the vehicle could
begin to move. You or others could be injured and
property could be damaged. Make sure there is
room in front of the vehicle in case it begins to roll.
Be ready to apply the regular brake at once
should the vehicle begin to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake,
set the parking brake.
•
To check the parking brake’s holding ability:
With the engine running and the transmission
in N (Neutral), slowly remove foot pressure from the
regular brake pedal. Do this until the vehicle is
held by the parking brake only.
•
To check the P (Park) mechanism’s holding ability:
With the engine running, shift to P (Park). Then
release the parking brake followed by the regular
brake.
Contact your dealer/retailer if service is required.
7-9
Page 382 of 432

Recommended Fluids and
LubricantsFluids and lubricants identified below by name, part
number, or specification can be obtained from your
dealer/retailer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM Standard
GM6094M and displays the
American Petroleum Institute
Certified for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on page 6-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 6-25.
Hydraulic Brake
SystemDOT 3 Hydraulic Brake Fluid
(GM Part No. U.S. 12377967,
in Canada 89021320).
Windshield
WasherOptikleen
®Washer Solvent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184,
in Canada 89021186).
Automatic
TransmissionDEXRON
®-VI Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Hood Latch
Assembly,
Secondary
Latch, Pivots,
Spring Anchor,
and
Release PawlLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293,
in Canada 992723) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood and Door
HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip
ConditioningWeatherstrip Lubricant
(GM Part No. U.S. 3634770,
in Canada 10953518) or
Dielectric Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
7-10
Page 383 of 432
Maintenance Replacement PartsReplacement parts identified below by name, part number, or specification can be obtained from your dealer/retailer.
Maintenance Replacement Parts
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 10350737 A2962C
Engine Oil Filter
3.5L V6, 3.5L and 3.9L V6 Flexible Fuel Engines 19210285 PF61
Passenger Compartment Air Filter 15284938 CF132
Spark Plugs
3.5L V6, 3.5L and 3.9L V6 Flexible Fuel Engines 12591131 41-100
Wiper Blades
Driver - 21.7 in (55.0 cm) 15941731 —
Passenger - 21.7 in (55.0 cm) 15941732 —
7-11
Page 384 of 432
Engine Drive Belt Routing
3.5L V6 and 3.9 V6 Engines
7-12