Page 544 of 584

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
The key should turn to LOCK only when the
shift lever is in PARK (P).
The key should come out only in LOCK.
Contact your GM Goodwrench dealer 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 GM Goodwrench dealer 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.
6-12
Page 568 of 584

Audio System(s) (cont.)
Radio with Cassette and CD.........................3-86
Radio with CD............................................3-76
Radio with Six-Disc CD..............................3-100
Rear Seat Audio (RSA)...............................3-125
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-73
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-72
Theft-Deterrent Feature...............................3-127
Understanding Radio Reception...................3-128
XM™ Satellite Radio Antenna System...........3-130
Automatic Dimming Mirror Operation..........2-56, 2-58
Automatic Headlamp System............................3-14
Automatic Transfer Case..................................2-40
Automatic Transmission...................2-24, 2-49, 2-51
Fluid..................................................5-27, 5-30
Operation...................................................2-27
Auxiliary Battery............................................4-100
Auxiliary Roof Mounted Lamp Switch.................3-17
B
Backing Up....................................................4-92
Battery..........................................................5-52
BATTERY NOT CHARGING.............................3-64
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-19
Battery Warning Light......................................3-42Before Leaving on a Long Trip.........................4-42
Before You Drive...........................................3-114
Before You Go Off-Roading..............................4-23
Brake
Parking......................................................2-48
System Warning Light..................................3-43
Brake Adjustment............................................5-51
Brake Fluid....................................................5-49
Brake Pedal Travel.........................................5-51
Brake Wear...................................................5-51
Brakes..........................................................5-49
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-22
BUCKLE PASSENGER....................................3-65
BUCKLE SEATBELT.......................................3-65
Bulb Replacement...........................................5-63
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp............................................5-68
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-65
Halogen Bulbs............................................5-63
Headlamps.................................................5-63
Pickup Box Identi cation and Fender
Marker Lamps.........................................5-69
Replacement Bulbs......................................5-72
Roof Marker Lamps.....................................5-66
Taillamps....................................................5-70
Buying New Tires...........................................5-86
2
Page 578 of 584

Parking
Brake........................................................2-48
Over Things That Burn.................................2-52
Parking on Hills..............................................4-93
Parking Your Vehicle.......................................2-52
Passenger Air Bag Indicator.....................2-58, 2-60
Passenger Air Bag Status Indicator...................3-40
PASSENGER DOOR AJAR..............................3-67
Passenger Sensing System..............................1-78
Passing.................................................4-18, 4-92
Passlock
®......................................................2-22
Payload.........................................................4-62
Personalization Button.....................................3-57
Pickup Conversion to Chassis Cab....................4-69
Plan Ahead When Possible................................ 7-7
Playing a Cassette Tape..................................3-95
Playing a CD...............................3-84, 3-97, 3-109
Playing a Speci c Loaded CD.........................3-110
Playing the Radio.................3-73, 3-77, 3-87, 3-101
Power
Accessory Outlets........................................3-19
Door Locks.................................................. 2-9
Electrical System.......................................5-123
Lumbar Controls........................................... 1-5
Seat............................................................ 1-4
Steering Fluid.............................................5-46
Windows....................................................2-18Power Steering...............................................4-13
Power Winches.............................................4-100
Programmable Automatic Door Locks.................2-10
Q
QUADRASTEER™..........................................4-15
Questions and Answers About Safety Belts.........1-15
R
Radio Data System (RDS)..............3-76, 3-86, 3-100
Radio Messages.............................3-75, 3-81, 3-92
Radios..........................................................3-72
AM-FM Radio.............................................3-73
Care of Your Cassette Tape Player...............3-129
Care of Your CD and DVD Player................3-130
Care of Your CDs and DVDs.......................3-130
Radio with Cassette and CD.........................3-86
Radio with CD............................................3-76
Radio with Six-Disc CD..............................3-100
Rear Seat Audio........................................3-125
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-73
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-72
12