2003 GMC SIERRA DENALI ignition

Power Lumbar
, If your vehicle has this
’ feature, the four-way
control is located on the
To increase or decrease support, press and hold the
front or rear of the control. Let go of the control when the
lower seatback reaches the desired level
of support.
You can also reshape the side wing area of the
lower seatback for more lateral support. To increase or
decrease support, press and hold the top or bottom
of the control. Let go of the control when the lower
seatback reaches the desired level of support.
Heated Seats
1
If your vehicle has this
feature, the button used to
control the driver’s heated seat
is located on
the driver’s door panel.
The button used to control
the passenger’s heated
seat is located on the
passenger’s door panel.
To heat the entire seat, press the horizontal button.
Press the button to cycle through the temperature
settings of high, medium, and low. The indicator light
will glow to indicate the level of heat selected.
To heat only the seatback, press the vertical button with
the heated seatback symbol. An indicator light
on the
button will glow to designate that only the seatback
is being heated.
The engine must be running for them to operate.
The heated front seats will be canceled after the ignition
is turned
off. If you still want to use the heated front
seat feature after
you restart your vehicle, you will need
to press the heated seat button again.
1-3

When either the passenger sensing system and/or
the AIR BAG
OFF switch has turned off the
right front passenger’s frontal air bag, the
off
indicator in the passenger air bag status indicator
on the rearview mirror will light and stay lit
when
y-” turn the ignition to RUN or START.
2. Put the restraint on the seat.
3. Pick up the latch plate, and run the lap and shoulder
portions
of the vehicle’s safety belt through or
around the restraint. The child restraint instructions
will show you how.
If the air bag readiness light
in the instrument
panel cluster ever comes
on when you have
turned
off the air bag, it means that something
may be wrong with the air bag system. The
right front passenger’s air bag could inflate
even though the switch
is off. If this ever
happens, have the vehicle serviced promptly.
Until
you have the vehicle serviced, don’t let
anyone whom the national government has identified as a member of a passenger air bag
risk group sit in the right front passenger’s
position (for example, don’t secure a
rear-facing child restraint
in your vehicle). See
”Air Bag
Off Switch” in the Index. 4. Buckle the belt. Make sure the release button is
positioned
so you would be able to unbuckle the
safety belt quickly
if you ever had to.
1-53

United States with
Passenger Sensing
System
Canada with Passenger
Sensing System United
StaG without
Passenger Sensing System
Canada without
Passenger Sensing System To turn
off the
right front passenger’s air bag, insert
your ignition key into the switch,
push in, and move the
switch
to the off position.
The AIR BAG
OFF light will come on to let you know
that the right front passenger’s air bag is
off. The
right front passenger’s air bag will remain
off until you
turn it back on again, and the
AIR BAG OFF light
will stay on
to remind you that the air bag is off.
If the ai. Jag readiness light ever comes on
when you have turned
off the air bag, it means
that something may be wrong with the air bag system. The right front passenger’s air bag
could inflate even though the switch
is off. If
this ever happens, don’t
let anyone whom the
national government has identified as a
member of
a passenger air bag risk group sit
in the right front passenger’s position (for
example, don’t secure a rear-facing child
restraint in your vehicle)
until you have your
vehicle serviced.
1-67

United States with United States without
Passenger Sensing Passenger Sensing
System System
2anada with Passenger
Sensing System Canada
without
Passenger Sensing System To
turn the right front passenger’s air bag on again,
insert your ignition key into the switch, push in,
and move the switch to the AUTO position.
Passenger Sensing System
If your rearview mirror has one of the indicators pictured
in the following illustrations, your vehicle has a
passenger sensing system. The indicator will be visible
when you turn your ignition key to RUN or START.
The words ON and
OFF or the symbol for on and off,
will be visible on the rearview mirror during the system
check. When the system check is complete, either
the word ON or the word
OFF, or the symbol for on or
the symbol for
off will be visible. See Passenger Air
Bag
Status lndicator on page 3-30. If your rearview
mirror does not have either
of the indicators pictured
below, then your vehicle does not have the passenger
sensing system.
Passenger Air Bag Status Indicator
- United States
1-68

Section 2 Features and Controls
Keys ............................................................... 2-2
Remote Keyless Entry System
......................... 2-3
Remote Keyless Entry System Operation
........... 2-4
Doors and Locks
............................................. 2-6
Door Locks
.................................................... 2-6
Power Door Locks
.......................................... 2-7
Rear Doors
................................................... 2-8
Tailgate
........................................................ 2-8
Windows
........................................................ 2-10
Power Windows
............................................ 2-11
Swing-Out Windows
...................................... 2-11
Sun Visors
................................................... 2-12
Theft-Deterrent Systems
.................................. 2.13
Content Theft-Deterrent
................................. 2.13
Passlock@
.................................................... 2.14
Starting and Operating Your Vehicle
................ 2.15
New Vehicle Break-In
.................................... 2.15
Ignition Positions
.......................................... 2.15
Starting Your Engine
..................................... 2.16
Engine Coolant Heater
.................................. 2.17
Automatic Transmission Operation
................... 2.18
All-Wheel Drive
............................................ 2-21
Parking Brake
.............................................. 2-22
Shifting Into Park
(P) ..................................... 2-23 Shifting
Out
of Park (P) ................................. 2-25
Parking Over Things That Burn
....................... 2-26
Engine Exhaust
............................................ 2-26
Running Your Engine While You Are Parked
.... 2-27
Mirrors
........................................................... 2-28
Automatic Dimming Rearview Mirror with
OnStap, Compass and Temperature
Display
.................................................... 2-28
Outside Power Mirrors
................................... 2-31
Outside Power Foldaway Mirrors
..................... 2-31
Outside Automatic Dimming Mirror
.................. 2-31
Outside Curb View Assist Mirrors
.................... 2-32
Outside Convex Mirror
................................... 2-32
Outside Heated Mirrors
.................................. 2-32
Onstar@ System
............................................. 2-33
HomeLink@ Transmitter
................................... 2-35
Programming the HomeLink Transmitter
........... 2-35
Storage Areas
................................................ 2-39
Glove Box
................................................... 2-39
Cupholder(s)
................................................ 2-39
Center Console Storage Area
......................... 2-39
Tonneau Cover
............................................ 2-39
Vehicle Personalization
................................... 2-42
Memory Seat
............................................... 2-42
2- 1

Keys
Leaving ,..ildren in a vehicle t...,h t..- ignition
key is dangerous for many reasons.
A child or
others could be badly injured or even killed.
They could operate the power windows or
other controls or even make the vehicle move.
Don't leave the keys in
a vehicle with children.
2-2

Your vehicle has one
double-sided key for the
ignition and all door
locks as well as the spare
tire hoist lock,
if equipped.
If you ever lose your keys, your dealer will be able to
assist you with obtaining replacements.
Notice: Your vehicle has a number of features that
can help prevent theft. You can have a lot
of
trouble getting into your vehicle if you ever lock
your keys inside. You may even have to damage
your vehicle to get in.
So be sure you have
spare keys.
If you ever do get locked out of your vehicle, call the
GM Roadside Assistance Center. See Roadside
Assistance Program
on page 7-5. If your vehicle is
equipped with the Onstar@ system with an active subscription
and you lock your keys inside the vehicle,
OnStar@ may be able
to send a command to unlock
your vehicle. See
OnStap System on page 2-33
for more information.
Remote Keyless Entry System
Your keyless entry system operates on a radio
frequency subject to Federal Communications
Commission (FCC) Rules and with Industry Canada.
This device complies with Part
15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device may not cause interference, and
2. This device must accept any interference received,
including interference that may cause undesired
operation of the device.
This device complies with
RSS-210 of Industry Canada.
Operation is subject
to the following two conditions:
1. This device may not cause interference, and
2. This device must accept any interference received,
including interference that may cause undesired
operation
of the device.
Changes or modifications
to this system by other than
an authorized service facility could void authorization to
use this equipment.
2-3

Power Door Locks
If your vehicle is equipped
with power door locks,
press the raised side of the
switch, with the lock
symbol, on either front
door to lock all the doors
at once. Press the recessed side
of the switch with the unlock
symbol, to unlock all the doors at once.
The power door locks will operate at any time even
when the ignition is
off.
Operating the power locks may interact with the
theft-deterrent system (if equipped). See
Content
Theft-Deterrent on page
2- 13.
2-7