tow GMC SIERRA 2005 Owner's Guide

To adjust for compass variance:
1. Find your current location and variance zone
number on the following zone map.
2. Press and hold the COMP button for ve seconds
until a zone number appears in the display.
3. Press the COMP button on the bottom of the mirror
until the new zone number appears in the display.
After you stop pressing the button, the display
will show a compass direction within a few seconds.Passenger Air Bag Indicator
The mirror may be equipped with a passenger airbag
indicator on the mirror glass, just above the buttons.
If the vehicle has this feature the mirror will display the
word ON, or an airbag symbol in Canada, when the
passenger airbag is enabled. For more information see
Passenger Sensing System on page 1-76
Cleaning the Mirror
When cleaning the mirror, use a paper towel or similar
material dampened with glass cleaner. Do not spray
glass cleaner directly on the mirror as that may cause
the liquid cleaner to enter the mirror housing.
Outside Manual Mirrors
Adjust your outside mirrors so you can just see the side of
your vehicle and have a clear view of objects behind you.
The mirrors can be folded in to enter narrow areas.
The use of hood-mounted air deectors and add-on
convex mirror attachments may adversely affect mirror
performance.
2-60

Outside Camper-Type Mirrors
If your vehicle is equipped with camper-type mirrors,
they can be adjusted so you can have a clear view
of the objects behind you.
Pull out the mirror head to extend it for better visibility
when towing a trailer.
Outside West Coast-Type Mirrors
If your vehicle is equipped with the west coast-type
mirrors, they can be adjusted so you can have a clear
view of objects behind you.
A. Outer Mirror Frame
B. Mirror Head
C. Nut
The mirrors can be adjusted by turning the mirror
head (B) and moving the outer mirror frame (A)
backward or forward. You can also loosen the nut (C)
on the top and bottom of the outer mirror frame to tilt the
mirror head.
2-61

Outside Power Mirrors
If your vehicle is equipped
with power outside mirrors,
the controls are located
on the driver’s door
armrest.
Move the selector switch located above the control pad
to the left or right to choose the mirror you want to
adjust, then press the dots located on the four-way
control pad to adjust the mirror.
Outside Power Camper-Type Mirror
If your vehicle is equipped with outside power
camper-type mirrors, they can be adjusted so you can
have a clear view of objects behind you.To extend the mirrors move the selector switch, located
above the mirror control, to the middle position. The
mirror control will illuminate. Press the left side of the
mirror control to slide the mirror heads away from the
body of the vehicle. Press the right side of the mirror
control to slide the mirror heads toward the body of the
vehicle.
Outside Power Foldaway Mirrors
If your vehicle is equipped
with this feature, the
controls are located on the
driver’s door armrest.
Move the upper selector switch to the left or right to
choose the mirror you want to adjust; then press
the dots located on the four-way control pad to adjust
the mirror.
2-62

Front Storage Area
Your vehicle may have a center armrest storage
compartment in the front bench seat.
To open it, fold down the armrest and press the latch
handle located at the front of the armrest. Then, let the
lid pop up and swing open.
The storage compartment may have a cassette/compact
disc holder.
Center Console Storage Area
Your vehicle may be equipped with a console
compartment between the bucket seats.
To open it, press the button located on the right side of
the front of the lid and swing the lid open.
Your vehicle may have a compact disc holder in the
console.
Your console may have a cupholder that swings down
for the rear seat passengers to use. The front cupholder
pulls out and swivels 180° to provide clearance
between tall beverage containers and the manual
transmission shift lever (if equipped).
Tonneau Cover
If your vehicle is equipped with a tonneau cover, follow
the directions below to remove the cover.
1. To remove, unsnap the
cover. Roll it up and
stow it using the buckle
and the strap located
at the front of the box.
2-71

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 2-23for 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.
2-73

Four-Wheel-Drive Light..................................3-48
Tow/Haul Mode Light....................................3-49
Overdrive Disable (Allison Transmission
®Only) . . .3-49
Fuel Gage...................................................3-49
Low Fuel Warning Light.................................3-50
Driver Information Center (DIC).......................3-50
DIC Operation and Displays...........................3-51
DIC Warnings and Messages.........................3-54
DIC Vehicle Customization.............................3-63
Audio System(s).............................................3-69
Setting the Time for Radios without
Radio Data Systems (RDS)........................3-69
Setting the Time for Radios with Radio
Data Systems (RDS)..................................3-70
AM-FM Radio...............................................3-70Radio with CD..............................................3-73
Radio with Cassette and CD..........................3-83
Radio with Six-Disc CD.................................3-98
Rear Seat Entertainment System...................3-111
Rear Seat Audio (RSA)................................3-122
Theft-Deterrent Feature................................3-123
Audio Steering Wheel Controls......................3-124
Radio Reception.........................................3-125
Care of Your Cassette Tape Player...............3-125
Care of Your CDs and DVDs........................3-126
Care of Your CD and DVD Player.................3-126
Fixed Mast Antenna....................................3-127
XM™ Satellite Radio Antenna System............3-127
Chime Level Adjustment...............................3-127
Section 3 Instrument Panel
3-2

The main components of your instrument panel are the following:
A. Dome Lamp Button. SeeDome Lamps on page 3-17.
B. Headlamp Controls. SeeHeadlamps on page 3-13.
C. Air Outlets. SeeOutlet Adjustment on page 3-30.
D. Automatic Transfer Case/Electronic Transfer
Case/Traction Assist System (TAS). SeeFour-Wheel
Drive on page 2-37.
E. Multifunction Lever. SeeTurn Signal/Multifunction
Lever on page 3-7.
F. Instrument Panel Cluster. SeeInstrument Panel
Cluster on page 3-32.
G. Gearshift Lever (Automatic Transmission). See
Automatic Transmission Operation on page 2-26.
H. Tow/Haul Selector and Overdrive Disable (Allison
Transmission
®Only) Button (If Equipped). See
Tow/Haul Mode on page 2-29.
I. Audio System. SeeAudio System(s) on page 3-69.
J. Climate Control System. SeeClimate Control
System on page 3-21,Dual Climate Control System
on page 3-22andDual Automatic Climate Control
System on page 3-25.
K. Instrument Panel Fuse Block.Instrument Panel Fuse
Block on page 5-122.
L. Cargo Lamp Button. SeeCargo Lamp on page 3-19.
M. Hood Release. SeeHood Release on page 5-13.N. Steering Wheel Control Buttons (If Equipped). See
Driver Information Center (DIC) on page 3-50.
O. Center Instrument Panel Block. SeeCenter
Instrument Panel Fuse Block on page 5-124.
P. Parking Brake Release. SeeParking Brake on
page 2-48.
Q. Tilt Wheel Lever. SeeTilt Wheel on page 3-7.
R. Lighter and Accessory Power Outlet. SeeAccessory
Power Outlets on page 3-19, andAshtrays and
Cigarette Lighter on page 3-20.
S. Storage Area. SeeFront Storage Area on page 2-71.
T. Ashtray. SeeAshtrays and Cigarette Lighter on
page 3-20.
U. Manual Selectable Ride Control (If Equipped).
SeeManual Selectable Ride on page 4-10.
V. 4-Wheel Steer Button (If Equipped). See
QUADRASTEER™ on page 4-14.
W. Passenger Airbag Off Switch (If Equipped).
SeeAirbag Off Switch on page 1-73.
X. Auxiliary Roof Mounted Lamp Button (If Equipped).
SeeAuxiliary Roof Mounted Lamp on page 3-17.
Y. Glove Box. SeeGlove Box on page 2-70.
3-5

Headlamp High/Low-Beam Changer
53(Headlamp High/Low Beam Changer):To
change the headlamps from low to high beam, push the
lever toward the instrument panel. To return to
low-beam headlamps, pull the multifunction lever toward
you. Then release it.
When the high beams are
on, this indicator light on
the instrument panel
cluster will also be on.
Flash-to-Pass
This feature lets you use your high-beam headlamps to
signal a driver in front of you that you want to pass.
It works even if your headlamps are in the automatic
position.
To use it, pull the turn signal lever toward you, then
release it.If your headlamps are in the automatic position or on
low beam, your high-beam headlamps will turn on.
They’ll stay on as long as you hold the lever toward you.
The high-beam indicator on the instrument panel
cluster will come on. Release the lever to return to
normal operation.
Windshield Wipers
You control the windshield wipers by turning the band
with the wiper symbol on it.
8(Mist):For a single wiping cycle, turn the band to
mist. Hold it there until the wipers start. Then let go. The
wipers will stop after one wipe. If you want more
wipes, hold the band on mist longer.
N(Delay):You can set the wiper speed for a long or
short delay between wipes. This can be very useful
in light rain or snow. Turn the band to choose the delay
time. The closer to the top of the lever, the shorter
the delay.
6(Low Speed):For steady wiping at low speed,
turn the band away from you to the rst solid band past
the delay settings. For high-speed wiping, turn the
band further, to the second solid band past the delay
settings. To stop the wipers, move the band to off.
3-9

;(Parking Lamps):Turning the control to this
position turns on the parking lamps, together with the
following:
Sidemarker Lamps
Taillamps
License Plate Lamps
Instrument Panel Lights
Roof Marker Lamps (If Equipped)
5(Headlamps):Turning the control to this position
turns on the headlamps, together with the previously
listed lamps and lights.
You can switch your headlamps from high to low-beam
by pushing the turn signal/high-beam lever towards
the instrument panel.
A circuit breaker protects your headlamps. If you have
an electrical overload, your headlamps will icker on and
off. Have your headlamp wiring checked right away if
this happens.
Headlamps on Reminder
A reminder chime will sound when your headlamps or
parking lamps are manually turned on and your
ignition is off, in LOCK, ACCESSORY, or your door is
open. To disable the chime, turn the light off then
back on.
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for
others to see the front of your vehicle during the
day. DRL can be helpful in many different driving
conditions, but they can be especially helpful in the short
periods after dawn and before sunset. Fully functional
daytime running lamps are required on all vehicles
rst sold in Canada.
The DRL system will come on when the following
conditions are met:
The ignition is on
The exterior lamps control is AUTO
The automatic transmission is not in PARK (P)
The light sensor determines it is daytime
When the DRL are on, only your DRL lamps will be on.
The taillamps, sidemarker and other lamps won’t be
on. The instrument panel won’t be lit up either.
3-14

To use the outlet, lift the cover. When not using it,
always close the cover.
Certain power accessory plugs may not be compatible
to the accessory power outlet and could result in
blown vehicle or adapter fuses. If you experience a
problem, see your dealer for additional information on
the accessory power plugs.
Notice:Adding any electrical equipment to your
vehicle may damage it or keep other components
from working as they should. The repairs would not
be covered by your warranty. Check with your
dealer before adding electrical equipment.
When adding electrical equipment, be sure to follow the
proper installation instructions included with the
equipment.
Notice:Improper use of the power outlet can cause
damage not covered by your warranty. Do not
hang any type of accessory or accessory bracket
from the plug because the power outlets are
designed for accessory power plugs only.Ashtrays and Cigarette Lighter
Your vehicle may be equipped with a front ashtray
located near the center of the instrument panel. Pull on
the door to open it.
Notice:If you put papers or other ammable items
in the ashtray, hot cigarettes or other smoking
materials could ignite them and possibly damage
your vehicle. Never put ammable items in the
ashtray.
To remove the front ashtray, pull the ashtray toward you.
To replace the ashtray, place the ashtray on the slides at
the side of its location in the instrument panel. To use the
cigarette lighter, push it in all the way, and let go. When
it’s ready, it will pop back out by itself.
Notice:Holding a cigarette lighter in while it is
heating will not allow the lighter to back away from
the heating element when it is hot. Damage from
overheating may occur to the lighter or heating
element, or a fuse could be blown. Do not hold a
cigarette lighter in while it is heating. Do not
use anything other than the cigarette lighter in the
heating element.
3-20