Page 367 of 406

Parking Brake and Automatic
Transmission P (Park) Mechanism
Check
{CAUTION:
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.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-13
Page 368 of 406

Recommended Fluids and
Lubricants
This maintenance section applies to vehicles with a
gasoline engine. If your 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 5-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-25.
Usage Fluid/Lubricant
Hydraulic Brake
SystemDOT 3 Hydraulic Brake Fluid
(GM Part No. U.S. 12377967, in
Canada 89021320).
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.
6-14
Page 396 of 406

Automatic Transmission
Fluid..........................................................5-21
Operation...................................................2-23
B
Battery..........................................................5-39
Electric Power Management..........................3-16
Run-Down Protection...................................3-17
Brake
Emergencies................................................ 4-5
Brake Fluid....................................................5-36
Brakes..........................................................5-36
System Warning Light..................................3-31
Braking........................................................... 4-4
Braking in Emergencies..................................... 4-5
Break-In, New Vehicle.....................................2-18
Bulb Replacement
Center High-Mounted Stoplamp (CHMSL)........5-52
Daytime Running Lamp (DRL).......................3-14
Front Turn Signal, Sidemarker and
Parking Lamps.........................................5-51
Halogen Bulbs............................................5-49
Headlamps.................................................5-49
Replacement Bulbs......................................5-53
Taillamps....................................................5-52
Buying New Tires...........................................5-73
C
Calibration.....................................................3-46
California Fuel.................................................. 5-6
California Perchlorate Materials Requirements....... 5-4
California Proposition 65 Warning....................... 5-4
Canadian Owners................................................ ii
Capacities and Specifications..........................5-110
Carbon Monoxide...................................2-30, 4-15
Care of
Safety Belts................................................5-98
Cargo Door Relocking....................................... 2-7
CD, MP3 .......................................................3-78
Center High-Mounted Stoplamp (CHMSL)...........5-52
Chains, Tire...................................................5-78
Charging System Light....................................3-30
Check
Engine Lamp..............................................3-34
Checking Things Under the Hood......................5-12
Chemical Paint Spotting.................................5-102
Child Restraints
Child Restraint Systems...............................1-37
Infants and Young Children...........................1-34
Lower Anchors and Tethers for Children..........1-41
Older Children.............................................1-31
Securing a Child Restraint in a
Rear Seat Position...................................1-47
Securing a Child Restraint in the
Right Front Seat Position..................1-50, 1-54
Where to Put the Restraint...........................1-39
2
Page 403 of 406

P
Paint, Damage..............................................5-102
Park
Shifting Into................................................2-27
Shifting Out of............................................2-29
Park Brake....................................................2-26
Parking
Over Things That Burn.................................2-29
Passenger Airbag Status Indicator.....................3-29
Passenger Sensing System..............................1-71
Passing.........................................................4-10
PASS-Key
®III+ Electronic Immobilizer...............2-16
PASS-Key®III+ Electronic Immobilizer
Operation...................................................2-17
Perchlorate Materials Requirements, California...... 5-4
Power
Door Locks.................................................. 2-7
Retained Accessory.....................................2-20
Seat ............................................................ 1-3
Steering Fluid.............................................5-34
Windows....................................................2-14
Privacy..........................................................7-17
Event Data Recorders..................................7-18
Navigation System.......................................7-19
OnStar.......................................................7-19
Radio Frequency Identification.......................7-19
Programmable Automatic Door Locks.................. 2-7
R
Radiator Pressure Cap....................................5-31
Radio Frequency Identification (RFID), Privacy....7-19
Radio(s)........................................................3-67
Radios
Reception...................................................3-84
Setting the Clock.........................................3-65
Theft-Deterrent............................................3-82
Reading Lamps..............................................3-16
Rear Air Conditioning and Heating System.........3-22
Rear Axle......................................................5-46
Locking........................................................ 4-8
Rear Door Security Locks.................................. 2-8
Rear Doors....................................................2-12
Rear Heating System......................................3-21
Rear Seat Operation......................................... 1-6
Rearview Mirrors.............................................2-31
Reclining Seatbacks.......................................... 1-4
Recommended Fluids and Lubricants.................6-14
Recreational Vehicle Towing.............................4-24
Remote Keyless Entry (RKE) System.................. 2-3
Remote Keyless Entry (RKE) System, Operation . . . 2-4
Removing the Flat Tire and Installing the
Spare Tire..................................................5-84
Removing the Spare Tire and Tools...................5-81
Replacement Bulbs.........................................5-53
Replacement Parts, Maintenance......................6-16
9