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 PARK (P).
The ignition key should come out only in LOCK/OFF.
Contact your dealer/retailer if service is required.
Parking Brake and Automatic
Transmission Park (P) Mechanism
Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged.
Make sure there is room in front of your 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 transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Contact your dealer/retailer if service is required.
Hood and Liftgate Support Gas Strut
Service
Visually inspect gas strut for signs of wear, corrosion,
cracks, loss of lubricant, or other damage. Check
the hold open ability of gas strut. If necessary, replace
with genuine parts from your dealer/retailer.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-12
O
Odometer......................................................3-35
Odometer, Trip...............................................3-35
Off-Road Driving.............................................4-12
Off-Road Recovery..........................................4-11
Oil
Engine.......................................................5-14
Pressure Light.............................................3-45
Oil, Engine Oil Life System..............................5-16
Older Children, Restraints................................1-49
Online Owner Center........................................ 7-4
OnStar, Privacy..............................................7-18
OnStar
®System, see OnStar®Manual...............2-51
Operation, Universal Home Remote System........2-54
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-31
Outlets
Accessory Power.........................................3-24
Outside
Power Foldaway Mirrors...............................2-45
Overheated Engine Protection
Operating Mode..........................................5-28
Owner Checks and Services.............................6-10
Owners, Canadian............................................... ii
P
Paint, Damage..............................................5-103
Park
Shifting Into................................................2-36
Shifting Out of............................................2-37
Park Aid........................................................2-48
Park Brake....................................................2-35
Parking
Assist........................................................2-48
Over Things That Burn.................................2-38
Passenger Airbag Status Indicator.....................3-37
Passenger Sensing System..............................1-83
Passing.........................................................4-11
PASS-KEY
®III+ Electronic Immobilizer...............2-22
PASS-Key®III+ Electronic Immobilizer
Operation...................................................2-23
Perchlorate Materials Requirements,
California..................................................... 5-4
Power
Door Locks.................................................2-10
Electrical System.......................................5-106
Liftgate......................................................2-14
Lumbar Controls........................................... 1-3
Reclining Seatbacks...................................... 1-7
Retained Accessory (RAP)............................2-26
9
