2003 GMC YUKON DENALI alarm

Theft-Deterrent Systems
Vehicle theft is big business, especially in some cities.
Although your vehicle has a number of theft-deterrent
features, we know that nothing we put on it can make it
impossible
to steal.
Content Theft-Deterrent
Your vehicle is equipped with a content theft-deterrent
alarm system.
With this system, the
security light in the instrument panel cluster
will flash as you open
the door
if your ignition
is
off.
This light reminds you to activate the theft-deterrent
system. Here’s how
to do it:
1. Open the door.
2. Lock the door with the power door lock switch or
the remote keyless entry transmitter. The security
light should come
on and stay on.
3. Close all doors. The security light should go off
after about 30 seconds. The alarm is not armed
until the security light goes
off.
If a locked door is opened without the key or the remote
keyless entry transmitter, the alarm will
go off. The
headlamps and parking lamps will flash for
two minutes,
and the horn will sound for
30 seconds, then will turn
off to save the battery power. You can choose different
feedback options for the alarm. See Driver lnformation
Center
(DIC) on page 3-43.
Remember, the theft-deterrent system won’t activate if
you lock the doors with a key or use the manual
door lock.
It activates only if you use a power door lock
switch with the door open, or with the remote keyless
entry transmitter. You should also remember that
you can start your vehicle with the correct ignition key
if
the alarm has been set off.
Here’s how to avoid setting off the alarm by accident:
If you don’t want to activate the theft-deterrent
system, the vehicle should be locked with the door
key after the doors are closed.
Always unlock a door with a key, or use the remote
keyless entry transmitter. Unlocking a door any
other way will set
off the alarm.
If you set
off the alarm by accident, unlock any door with
the key. You can also turn
off the alarm by pressing
unlock on the remote keyless entry transmitter. The alarm
won’t stop
if you try to unlock a door any other way.
2-1 6

Testing the Alarm Passlock@’
The alarm can be tested by following these steps:
1. From inside the vehicle, lower the driver’s window
and open the driver’s door.
2. Activate the system by locking the doors with the
power door lock switch while the door is open, or
with the remote keyless entry transmitter.
3. Get out of the vehicle, close the door and wait for
the security light
to go out.
4. Then reach in through the window, unlock the door
with the manual door lock and open the door. This
should set
off the alarm.
While the alarm is set, the power door unlock switch is
not operational.
If the alarm does not sound when it should but the
headlamps flash, check
to see if the horn works. The
horn fuse may be blown. To replace the fuse, see Fuses
and Circuit Breakers on page
5-87.
If the alarm does not sound or the headlamps do not
flash, the vehicle should be serviced by your dealer. Your
vehicle is equipped with the Passlock@
theft-deterrent system.
Passlock@ is a passive theft-deterrent system. Passlock@
enables fuel
if the ignition lock cylinder is turned with
a valid key. If a correct key is not used or the ignition
lock cylinder is tampered with, the fuel system is
disabled and the vehicle will not start.
During normal operation, the security light will turn
off
approximately five seconds after the key is turned
to RUN.
If the engine stalls and the security light flashes, wait
about
10 minutes until the light stops flashing before
trying
to restart the engine. Remember to release
the key from START as soon as the engine starts.
If the engine does not start after three tries, the vehicle
needs service.
If the engine is running and the security light comes on,
you will be able to restart the engine
if you turn the engine
off. However, your Passlock@system is not working
properly and must be serviced by your dealer. Your
vehicle is not protected by Passlock@at this time. You
may also want
to check the fuse. See Fuses and Circuit
Breakers
on page 5-87. See your dealer for service.
In an emergency, call the Roadside Assistance Center.
See Roadside Assistance Program
on page 7-5.
3-1 7

Warning Lights, Gages and
Indicators
This part describes the warning lights and gages on
your vehicle. The pictures will help you locate them.
Warning lights and gages can signal that something is
wrong before it becomes serious enough
to cause
an expensive repair or replacement. Paying attention
to
your warning lights and gages could also save you
or others from injury.
Warning lights come on when there may be or is a
problem with one of your vehicle’s functions.
As you will
see in the details on the next few pages, some
warning lights come on briefly when you start the
engine
just to let you know they’re working. If you are
familiar with this section, you should not be alarmed
when this happens. Gages can indicate
when there may be or
is a problem
with one of your vehicle’s functions. Often gages
and warning lights work together
to let you know when
there’s a problem with your vehicle.
When one of the warning lights comes on and stays on
when you are driving, or when one of the gages
shows there may be a problem, check the section that
tells you what to do about it. Please follow this
manual’s advice. Waiting to do repairs can be
costly
- and even dangerous. So please get to know
your warning lights and gages. They’re
a big help.
Your vehicle also has a message center that works
along with warning lights and gages. See
DIC Warnings
and Messages on page
3-52.
3-28

Personalization Button
You can program certain features to a preferred setting
for up to two people. Press the personalization button
to scroll through the following personalization features.
All of the personalization options may not be available
on your vehicle. Only the options available will be
displayed on your DIC.
ALARM WARNING TYPE
AUTOMATIC LOCKING
AUTOMATIC UNLOCKING SEAT POSITION RECALL
PERIMETER LIGHTING
REMOTE LOCK FEEDBACK
REMOTE UNLOCK FEEDBACK
HEADLAMPS ON AT EXIT
CURB VIEW ASSIST EASY EXIT SEAT
DISPLAY UNITS (E/M)
DISPLAY LANGUAGE
The default options for the above features were set
when your vehicle left the factory. The default options
are noted in the text following, but may have been
changed from their default state since then. The driver’s preferences can
be recalled by pressing the
unlock button on the remote keyless entry transmitter
labeled
1 or 2 or by pressing the appropriate memory
button
1 or 2 located on the driver’s door.
Alarm Warning Type
Press the personalization button until ALARM
WARNING TYPE appears in the display. To select your
personalization for alarm warning type, press the
select button while ALARM WARNING TYPE is
displayed
on the DIC. Pressing the select button will
scroll through the following choices:
ALARM WARNING: BOTH (default): The headlamps
will flash and the horn will chirp when the alarm is
active.
ALARM WARNING: OFF: There will be no alarm
warning on activation.
ALARM WARNING: HORN: The horn will chirp when
the alarm is active.
ALARM WARNING: LAMPS: The headlamps will flash
when the alarm is active.
Choose one of the four options and press the
personalization button while your choice is displayed on
the DIC to select
it and move on to the next feature.
For more information on alarm warning type see
Content
Theft-Deterrent on page 2- 16.
3-4i

Steering in Emergencies ................... .... 4-12
Steering Tips
.................................................. 4-1 1
Steering Wheel Controls. Audio
......................... 3-86
Stereo RCA Jacks
.......................................... 3-78
Storage Areas Center Console Storage Area
.................... 2-42
Convenience Net
..................................... 2-44
Cupholder(s)
........................................... 2-42
Glove Box
.................................................. 2-42
Luggage Carrier
.......................................... 2-42
Rear Storage Area
................................... 2-44
Storing a Flat or Spare Tire. Jack
and Tools .............................
........... 5-73
Stuck in Sand. Mud. Ice or Snow
.................. 4-41
Sun Visors ..................................................... 2-15
Sunroof
.... ...................................... 2-46
Tachometer
.................................................... 3-30
Taillamps
....................................................... 5-52
Temperature and Compass Display
.................... 2-31
Testing the Alarm
.................................... 2-17
Theft-Deterrent, Radio
.................. , ....... 3-85
Theft-Deterrent Systems
................................... 2-1 6
Content Theft-Deterrent
................................ 2-1 6
Passlock@
................................................... 2-1 7
Third Row
...................................................... 1-66
Third
Row - Lap Belt ........................ ~ ~ ....... 1-40 Throttle. Adjustable
.......................................... 2-20
Tilt Wheel
........................................................ 3-6
Tilting the
50/50 Split Bench Seat ..................... 1-13
Tire Inflation Check
......................................... 6-10
Tires
..................................................... 5-55, 5-83
Buying New Tires ........................................
5-58
Chains ....................................................... 5-62
Changing a Flat Tire
.................................... 5-63
If a Tire Goes Flat ....................................... 5-63
Inflation
-- Tire Pressure ............................... 5-55
Inspection and Rotation ................................ 5-56
Spare Tire
.................................................. 5-77
Wheel Alignment and Tire Balance
................. 5-61
Wheel Replacement
..................................... 5-61
When
It Is Time for New Tires ...................... 5-58
To Use the Engine Coolant Heater .................... 2-21
Top of the Instrument Panel
............................. 5-79
Top Strap
...................................................... 1-57
Top Strap Anchor Location
............................... 1-59
Torque Lock
................................................... 2-28
Tilting the
Full Bench Seat ............................... 1-18
Uniform Tire Quality Grading
......................... 5-59
Total Weight on Your Vehicle’s Tires
.................. 4-51
Tow/Haul Mode
............................................... 2-24
Towing Tow/Haul Mode Light
... ........................ 3-42
Recreational Vehicle
................................. 4-44
Towing a Trailer
.......................................... 4-47
Your Vehicle
............................................... 4-44
14