2005 GMC SIERRA DENALI sunroof

Seats and Restraint Systems........................... 1-1
Front Seats
............................................... 1-2
Rear Seats
............................................... 1-6
Safety Belts
.............................................. 1-8
Child Restraints
.......................................1-27
Airbag System
.........................................1-48
Restraint System Check
............................1-61
Features and Controls..................................... 2-1
Keys
........................................................ 2-2
Doors and Locks
....................................... 2-7
Windows
.................................................2-12
Theft-Deterrent Systems
............................2-14
Starting and Operating Your Vehicle
...........2-16
Mirrors
....................................................2-29
OnStar
®System
......................................2-34
HomeLink®Transmitter
.............................2-36
Storage Areas
.........................................2-41
Sunroof
..................................................2-43
Vehicle Personalization
.............................2-44
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-4
Climate Controls
......................................3-20
Warning Lights, Gages, and Indicators
........3-26
Driver Information Center (DIC)
..................3-42Audio System(s)
.......................................3-60
Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and Your Vehicle
..... 4-2
Towing
...................................................4-51
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-5
Checking Things Under the Hood
...............5-10
All-Wheel Drive
........................................5-46
Rear Axle
...............................................5-47
Front Axle
...............................................5-48
Bulb Replacement
....................................5-49
Windshield Wiper Blade Replacement
.........5-55
Tires
......................................................5-56
Appearance Care
.....................................5-92
Vehicle Identication
...............................5-101
Electrical System
....................................5-102
Capacities and Specications
...................5-112
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance and Information.............. 7-1
Customer Assistance and Information
........... 7-2
Reporting Safety Defects
...........................7-10
Index................................................................ 1
2005 GMC Sierra Denali Owner ManualM

Keys...............................................................2-2
Remote Keyless Entry System.........................2-3
Remote Keyless Entry System Operation...........2-4
Doors and Locks.............................................2-7
Door Locks....................................................2-7
Power Door Locks..........................................2-8
Delayed Locking.............................................2-8
Programmable Automatic Door Locks................2-9
Tailgate.......................................................2-11
Windows........................................................2-12
Power Windows............................................2-13
Sliding Rear Window.....................................2-14
Sun Visors...................................................2-14
Theft-Deterrent Systems..................................2-14
Content Theft-Deterrent.................................2-14
Passlock
®....................................................2-16
Starting and Operating Your Vehicle................2-16
New Vehicle Break-In....................................2-16
Ignition Positions..........................................2-17
Retained Accessory Power (RAP)...................2-17
Starting Your Engine.....................................2-18
Engine Coolant Heater..................................2-19
Automatic Transmission Operation...................2-20
Tow/Haul Mode............................................2-23
All-Wheel Drive............................................2-23
Parking Brake..............................................2-24Shifting Into Park (P).....................................2-25
Shifting Out of Park (P).................................2-26
Parking Over Things That Burn.......................2-27
Engine Exhaust............................................2-27
Running Your Engine While You Are Parked. . . .2-28
Mirrors...........................................................2-29
Automatic Dimming Rearview Mirror with
OnStar
®, Compass and Temperature
Display....................................................2-29
Outside Power Mirrors...................................2-32
Outside Power Foldaway Mirrors.....................2-32
Outside Automatic Dimming Mirror..................2-33
Outside Curb View Assist Mirrors....................2-33
Outside Convex Mirror...................................2-34
Outside Heated Mirrors..................................2-34
OnStar
®System.............................................2-34
HomeLink®Transmitter...................................2-36
Programming the HomeLink®Transmitter.........2-37
Storage Areas................................................2-41
Glove Box...................................................2-41
Cupholder(s)................................................2-41
Center Console Storage Area.........................2-41
Tonneau Cover............................................2-41
Sunroof.........................................................2-43
Vehicle Personalization...................................2-44
Memory Seat...............................................2-44
Section 2 Features and Controls
2-1

4. To add cargo to the
box, remove all bows
and the back rail
and stow them safely.
To clean the tonneau cover, use mild soap and water. If
necessary, use a soft bristle brush to remove dirt
trapped in the grain of the material.
Sunroof
The vehicle may be equipped with a power sliding
sunroof. To open or close your sunroof, the ignition must
be on or Retained Accessory Power (RAP) must be
active. SeeRetained Accessory Power (RAP) on
page 2-17for more information.Press the rear side of the
sunroof control, located on
the overhead console,
to open the sunroof.
To close the sunroof, press and hold the front of the
control. The control must be held until the glass
stops moving, so that the sunroof will be fully seated.
With the sunroof closed, press the rear of the control to
open the sunroof to the vent position.
The sunroof is also has a roller sunscreen that can be
used to block the rays of the sun. The roller sunscreen
can be manually operated with the sunroof in an
open or close position. To open the sunscreen, press
up to unlatch it and roll it back. To close, pull it forward
and latch it to the close position.
Do not leave the sunroof open for long periods of time
as debris can collect in the tracks.
2-43

Fixed Mast Antenna
The xed mast antenna can withstand most car washes
without being damaged. If the mast should ever
become slightly bent, straighten it out by hand. If the
mast is badly bent, replace it.
Check occasionally to make sure the mast is still
tightened to the cowl. If tightening is required, tighten by
hand, then with a wrench one quarter turn.
XM™ Satellite Radio Antenna
System
The XM™ Satellite Radio antenna is located on the roof
of your vehicle. Keep this antenna clear of snow and
ice build up for clear radio reception.
The performance of the XM™ system may be affected if
the sunroof is open.
Loading items onto the roof of your vehicle can interfere
with the performance of the XM™ system. Make sure
that the XM™ satellite antenna is not obstructed.
Chime Level Adjustment
The radio is the vehicle chime producer. To change the
volume level, press and hold pushbutton 6 with the
ignition on and the radio power off. The chime volume
level will change from the normal level to loud, and
LOUD will appear on the radio display. To change back
to the default or normal setting, press and hold
pushbutton 6 again. The chime level will change from
the loud level to normal, and NORMAL will appear
on the radio display. Each time the chime volume is
changed, three chimes will sound as an example of the
new volume selected. Removing the radio and not
replacing it with a factory radio or chime module will
disable vehicle chimes.
3-94

*1— Gasoline Engine and Diesel Engine.
*2— Gasoline Engine; ECMRPV — Diesel Engine.
*3— Gasoline Engine; FUEL HT — Diesel Engine.
*4— Gasoline Engine; ECM I — Diesel Engine.
*5— IGN/EDU
Fuses Usage
GLOW PLUGDiesel Glow Plugs and Intake
Air Heater
CUST FEED Gasoline Accessory Power
HYBRID Hybrid
STUD #1Auxiliary Power (Single
Battery and Diesels Only)/
Dual Battery (TP2) Do not
install fuse.
MBECMid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLOWER Front Climate Control Fan
LBECLeft Bussed Electrical Center,
Door Modules, Door Locks,
Auxiliary Power Outlet—Rear
Cargo Area and Instrument
Panel
STUD 2Accessory Power/Trailer
Wiring Brake Feed
ABS Anti-Lock Brakes
Fuses Usage
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKRight Rear Parking and
Sidemarker Lamps
LR PARKLeft Rear Parking and
Sidemarker Lamps
PARK LP Parking Lamps Relay
STRTR Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller
Battery Feed
S/ROOF Sunroof
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Not Used
AUX PWRAuxiliary Power
Outlet — Console
5-109

Seats (cont.)
Power Lumbar.............................................. 1-3
Power Seats................................................. 1-2
Rear Seat Operation...................................... 1-6
Reclining Seatbacks...................................... 1-4
Secondary Latch System.................................5-83
Securing a Child Restraint
Designed for the LATCH System...................1-42
Rear Seat Position......................................1-43
Right Front Seat Position..............................1-45
Security Light.................................................3-40
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-36
Publications Ordering Information...................7-11
Servicing Your Airbag-Equipped Vehicle..............1-59
Setting the Time.............................................3-61
Sheet Metal Damage.......................................5-99
Shifting Into Park (P).......................................2-25
Shifting Out of Park (P)...................................2-26
Signals, Turn and Lane-Change.......................... 3-7
Sliding Rear Windows.....................................2-14
Spare Tire.....................................................5-91
Installing....................................................5-76
Removing...................................................5-73
Storing.......................................................5-87
Specications, Capacities...............................5-112
Speedometer..................................................3-28Starting Your Engine.......................................2-18
Steering.......................................................... 4-8
Steering Wheel Controls, Audio.........................3-91
Steering Wheel, Tilt Wheel................................. 3-6
Storage Areas
Center Console Storage Area........................2-41
Cupholder(s)...............................................2-41
Glove Box..................................................2-41
Stuck in Sand, Mud, Ice or Snow......................4-40
Sun Visors.....................................................2-14
Sunroof.........................................................2-43
T
Tachometer....................................................3-28
Tailgate.........................................................2-11
Taillamps.......................................................5-53
Theft-Deterrent, Radio.....................................3-90
Theft-Deterrent Systems...................................2-14
Content Theft-Deterrent................................2-14
Passlock
®...................................................2-16
Tilt Wheel........................................................ 3-6
Tires.............................................................5-56
Aluminum or Chrome-Plated Wheels,
Cleaning.................................................5-98
Buying New Tires........................................5-66
Chains.......................................................5-70
Changing a Flat Tire....................................5-72
Cleaning....................................................5-98
11