Page 384 of 424

Ignition Transmission Lock Check
While 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.
7-10
Page 385 of 424

Recommended Fluids and
Lubricants
This maintenance section applies to vehicles with a
gasoline engine. If the vehicle has a diesel engine, see
the maintenance schedule section in the DURAMAX
®
Diesel manual.
Fluids 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 6-28.
Hydraulic Brake
SystemDOT 3 Hydraulic Brake Fluid
(GM Part No. U.S. 12377967,
in Canada 89021320).
Usage Fluid/Lubricant
Windshield
WasherOptikleen
®Washer Solvent.
Parking Brake
Cable GuidesChassis Lubricant (GM Part
No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
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).
Chassis
LubricationChassis Lubricant (GM Part
No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Front Wheel
BearingsWheel bearing lubricant meeting
requirements of NLGI #2,
Category GC or GC-LB
(GM Part No. U.S. 1051344,
in Canada 993037).
7-11
Page 412 of 424

Audio System(s).............................................4-62
Automatic Door Lock.......................................3-10
Automatic Door Unlock....................................3-10
Automatic Headlamp System............................4-11
Automatic Transmission
Fluid..................................................6-20, 6-23
Operation...........................................3-26, 3-31
Axle, Rear.....................................................6-46
B
Battery..........................................................6-40
Electric Power Management..........................4-13
Run-Down Protection...................................4-14
Belt Routing, Engine.......................................7-14
Brake
Emergencies................................................ 5-5
Brakes..........................................................6-37
Antilock....................................................... 5-4
Parking......................................................3-35
System Warning Light..................................4-28
Braking........................................................... 5-3
Braking in Emergencies..................................... 5-5
Break-In, New Vehicle.....................................3-22Bulb Replacement...........................................6-53
Center High-Mounted Stoplamp (CHMSL)........6-51
Front Turn Signal, Sidemarker and Parking
Lamps ....................................................6-51
Halogen Bulbs............................................6-49
Headlamps.........................................6-48, 6-49
License Plate Lamps....................................6-53
Taillamps....................................................6-52
Buying New Tires...........................................6-73C
Calibration.....................................................4-43
California
Perchlorate Materials Requirements................. 6-4
Warning....................................................... 6-4
California Fuel.................................................. 6-7
Canadian Owners............................................... iii
Capacities and Specifications..........................6-110
Carbon Monoxide
Engine Exhaust...........................................3-38
Winter Driving.............................................5-14
Care of
Safety Belts................................................6-99
2
Page 419 of 424

N
Navigation System, Privacy..............................8-17
New Vehicle Break-In......................................3-22
Noise Control System, Tampering......................6-47
O
Odometer......................................................4-22
Trip ...........................................................4-22
Off-Road
Recovery..................................................... 5-8
Oil
Engine.......................................................6-15
Engine Oil Life System.................................6-18
Pressure Gage............................................4-34
Pressure Light.............................................4-35
Older Children, Restraints................................2-30
Online Owner Center........................................ 8-4
OnStar, Privacy..............................................8-17
Outlet Adjustment............................................4-17Outlets
Accessory Power.........................................4-14
Outside
Convex Mirror.............................................3-41
Heated Mirrors............................................3-42
Manual Mirrors............................................3-40
Power Mirrors.............................................3-41
Towing Mirrors............................................3-40
Owner Checks and Services.............................. 7-9
Owners, Canadian.............................................. iii
P
Paint, Damage..............................................6-102
Park
Shifting Into................................................3-36
Shifting Out of............................................3-37
Parking
Brake........................................................3-35
Over Things That Burn.................................3-38
Passenger Airbag Status Indicator.....................4-26
9