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 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 ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
Recommended Fluids and
Lubricants
Fluids and lubricants identi ed below by name, part
number, or speci cation can be obtained from your
dealer/retailer.
Usage Fluid/Lubricant
Engine OilThe engine requires a special engine
oil meeting GM Standard GM4718M.
Oils meeting this standard can be
identi ed as synthetic, and should
also be identi ed with the American
Petroleum Institute (API) Certi ed for
Gasoline Engines starburst symbol.
However, not all synthetic API oils
with the starburst symbol will meet
this GM standard. Look for and use
only an oil that meets GM Standard
GM4718M. For the proper viscosity,
seeEngine Oil on page 6-15.
7-11
O
Odometer......................................................3-43
Odometer, Trip...............................................3-43
Off-Road Recovery..........................................5-12
Oil
Engine.......................................................6-15
Engine Oil Pressure Gage............................3-54
Life Indicator...............................................3-76
Oil, Engine Oil Life System..............................6-18
Older Children, Restraints................................1-23
Online Owner Center........................................ 8-5
OnStar, Privacy..............................................8-18
OnStar
®System.............................................4-48
OnStar®System, see OnStar®Manual...............2-42
Operation, Universal Home Remote System........2-46
Ordering
Map DVDs .................................................4-52
Outlet Adjustment............................................3-40
Outlets
Accessory Power.........................................3-34
Outside
Automatic Dimming Mirror.............................2-39
Convex Mirror.............................................2-39
Heated Mirrors............................................2-39
Power Mirrors.............................................2-38Overheated Engine Protection
Operating Mode..........................................6-29
Owner Checks and Services.............................. 7-9
Owners, Canadian.............................................. iii
P
Paint, Damage...............................................6-80
Park
Shifting Into................................................2-33
Shifting Out of............................................2-35
Park Aid........................................................2-40
Park Assist Mirror...........................................2-39
Park Brake....................................................2-32
Parking
Assist........................................................2-40
Over Things That Burn.................................2-35
Passenger Airbag Status Indicator.....................3-45
Passenger Compartment Air Filter.....................3-41
Passenger Sensing System..............................1-45
Passing.........................................................5-12
Perchlorate Materials Requirements, California....... 6-4
Phone
Bluetooth
®..................................................3-77
Plan Route....................................................4-18
9
