2004 GMC YUKON parking brake

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-37if
necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL (N).
If the starter works in any other position, contact
your GM Goodwrench dealer for service.
Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-37if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the key to the RUN
position, but do not start the engine. Without
applying the regular brake, try to move the shift
lever out of PARK (P) with normal effort. If the shift
lever moves out of PARK (P), contact your GM
Goodwrench dealer for service.
6-10

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.
6-11

Audio System(s) (cont.)
Radio with CD............................................3-81
Radio with Six-Disc CD..............................3-108
Rear Seat Audio (RSA)...............................3-134
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-78
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-77
Theft-Deterrent Feature...............................3-135
Understanding Radio Reception...................3-137
XM™ Satellite Radio Antenna System...........3-139
Automatic Dimming Mirror Operation..........2-45, 2-47
Automatic Headlamp System............................3-16
Automatic Level Control...................................4-61
Automatic Transfer Case..................................2-29
Automatic Transmission
Fluid..........................................................5-23
Operation...................................................2-24
Autoride™.....................................................4-62
Auxiliary Roof Mounted Lamp Switch.................3-18
B
Backing Up....................................................4-72
Battery..........................................................5-44
BATTERY NOT CHARGING.............................3-70
Battery Replacement......................................... 2-6Battery Run-Down Protection............................3-20
Battery Warning Light......................................3-45
Before Leaving on a Long Trip.........................4-43
Before You Drive...........................................3-122
Before You Go Off-Roading..............................4-24
Bench Seat....................................................1-16
Bench Seat Split (50/50)..................................1-11
Bench Seat, Split (60/40)................................... 1-8
Brake
Parking......................................................2-37
System Warning Light..................................3-46
Brake Adjustment............................................5-44
Brake Fluid....................................................5-41
Brake Pedal, Throttle.......................................2-23
Brake Pedal Travel.........................................5-44
Brake Wear...................................................5-43
Brakes..........................................................5-41
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-20
Bucket Seats, Rear.........................................1-21
BUCKLE PASSENGER....................................3-70
BUCKLE SEATBELT.......................................3-70
Bulb Replacement...........................................5-55
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-56
Halogen Bulbs............................................5-55
Headlamps.................................................5-55
2

O
Odometer......................................................3-42
Off-Road Driving.............................................4-22
Off-Road Recovery..........................................4-19
Oil
Engine.......................................................5-16
Pressure Gage............................................3-55
OIL LIFE RESET............................................3-72
OIL PRESSURE LOW.....................................3-72
Older Children, Restraints................................1-45
Online Owner Center........................................ 7-3
OnStar
®Personal Calling.................................2-54
OnStar®Services............................................2-53
OnStar®Steering Wheel Controls......................2-54
OnStar®System.............................................2-53
OnStar®Virtual Advisor....................................2-54
Other Warning Devices...................................... 3-7
Outlet Adjustment...................................3-26, 3-33
Outside
Automatic Dimming Mirror.............................2-51
Camper-Type Mirrors....................................2-49
Convex Mirror.............................................2-52
Curb View Assist Mirrors..............................2-52
Heated Mirrors............................................2-52
Manual Mirrors............................................2-49
Power Foldaway Mirrors...............................2-50
Power Mirrors.............................................2-50
Outside Power Camper-Type Mirror...................2-50Overheated Engine Protection Operating Mode
(V8 Engines Only).......................................5-29
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
Owner’s Information........................................7-13
P
Panel Doors...................................................2-14
Park (P)
Shifting Out of............................................2-41
Parking
Brake........................................................2-37
Over Things That Burn.................................2-41
Parking on Hills..............................................4-73
Park(P)
Shifting Into................................................2-38
Passenger Air Bag Indicator.....................2-46, 2-49
Passenger Air Bag Status Indicator...................3-43
PASSENGER DOOR AJAR..............................3-73
Passenger Sensing System..............................1-82
Passing.................................................4-19, 4-72
Passlock
®......................................................2-20
Personalization Button.....................................3-62
Plan Ahead When Possible................................ 7-8
Playing a Cassette Tape................................3-102
Playing a CD..............................3-90, 3-105, 3-117
Playing a Specic Loaded CD.........................3-118
Playing the Radio.................3-78, 3-82, 3-93, 3-109
11