lock GMC YUKON DENALI 2003 Repair Manual

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United States Canada
This light should come on briefly when you turn the
ignition key to
RUN. If it doesn’t come on then, have it
fixed
so it will be ready to warn you if there’s a
problem.
If the light comes on while you are driving, pull off the
road and stop carefully. You may notice that the pedal
is
harder to push. Or, the pedal may go closer to the
floor.
It may take longer to stop. If the light is still on,
have
the vehicle towed for service. See Towing
Your Vehicle on page 4-44.
Your brake system may not be working
properly
if the brake system warning light is
on. Driving with the brake system warning light
on can lead to an accident.
If the light is still
on after you’ve pulled off the road and stopped
carefully, have the vehicle towed for service.
Anti-Lock Brake System
Warning Light
With the anti-lock brake
system, this light will come
on when you start your
engine and may stay on for
several seconds.
That’s normal. If the light doesn’t come on then, have
it
fixed so it will be ready to warn you if there is a
problem.
3-35

If the light stays on, or comes on when you’re driving,
your vehicle needs service. You will also hear a
chime sound when the light is on steady.
If the regular
brake system warning light isn’t on, you still have
brakes, but you don’t have anti-lock brakes.
If the
regular brake system warning light is also on you don’t
have anti-lock brakes and there’s a problem with
your regular brakes. In addition to both lights, you will
also hear a chime sound on the first occurrence of
a problem and each time the car is shut off and then
restarted. See Brake System Warning Light on
page
3-34.
Traction Off Light
If you have the
Stabilitrak@system, this
light should come on briefly
when you turn the
ignition to
RUN.
If the light doesn’t come on then, the system may
require service; have it fixed
so it will be there to warn
you
if the system is turned off.
For more information on the traction off light, see
Stabilitrak@
System on page 4-9.
3-36
Engine Coolant Temperature Gage
~~ ~
United States
I I
Canada
This gage shows the engine coolant temperature.
It also provides an indicator
of how hard your vehicle is
working. During a majority of the operation, the gage
will read 21
0°F (100°C) or less. If you are pulling a load
or going up hills, it is normal for the temperature to
fluctuate and approach the 250°F (122°C) mark.
If the
gage reaches the 260°F
(125°C) mark, it indicates
that the cooling system
is working beyond its capacity.
See Engine Overheating on page
5-25.

A reading in the low pressure zone may be caused by a
dangerously low oil level or some other problem
causing
low oil pressure. Check your oil as soon as
possible. See
Engine Oil on page 5-13.
DL.. t kc-> dl - - jng if -..3 oil pressure is IOL- If
you do, your engine can become
so hot that it
catches fire. You or others could be burned.
Check your oil as soon as possible and have
your vehicle serviced.
Notice: Damage to your engine from neglected oil
problems can be costly and is not covered by
your warranty.
Security Light
1 This light will come on
I'
brieflywhen you turn the
key toward START.
The light will stay on until
the engine starts.
If the light flashes, the Passlock@ system has entered a
tamper mode. If the vehicle fails
to start, see Passlock@
on page
2- 17.
If the iight comes on continuously while driving and
stays on, there may be a problem with the Passlock@
system. Your vehicle will not be protected by Passlock@,
and you should see your dealer.
Also, see Content Theft-Deterrent on page 2- 16 for
additional information regarding the security light.
Cruise Control Light
The cruise light comes on
whenever you
set your
cruise control. See Cruise
Control under Turn
SignaVMultifunction Lever
on page 3-7.
3-4 1

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

Automatic Locking
Press the personalization button until AUTOMATIC
LOCKING appears in the display. To select your
personalization for automatic locking, press the select
button while AUTOMATIC LOCKING is displayed on the
DIC. Pressing the select button will scroll through the
following choices:
LOCK DOORS OUT OF PARK (default): The doors
will lock when the vehicle is shifted out of PARK (P).
LOCK DOORS MANUALLY: The doors will not
be locked automatically.
LOCK DOORS WITH SPEED: The doors will lock
when the vehicle speed is above
8 mph (13 km/h) for
three seconds.
Choose one of the three options and press the
personalization button while it is displayed on the DIC to
select it and move on to the next feature.
For more
information on automatic door locks see Programmable
Automatic
Door Locks on page 2- 10.
Automatic Unlocking
Press the personalization button until AUTOMATIC
UNLOCKING appears in the display.
To select
your personalization for automatic unlocking, press the
select button while AUTOMATIC UNLOCKING is
displayed on the DIC. Pressing the select button will
scroll through the following choices:
3-48
UNLOCK ALL IN PARK (default): All of the doors will
unlock when the vehicle is shifted into PARK
(P).
UNLOCK ALL AT KEY OUT: All of the doors will
unlock when the key is taken out of the ignition.
UNLOCK DOORS MANUALLY: The doors will not be
unlocked automatically.
UNLOCK DRIVER IN PARK: The driver’s door will be
unlocked when the vehicle is shifted into PARK
(P).
Choose one of the four options and press the
personalization button while it is displayed on the DIC to
select it and move on to the next feature. For more
information on automatic door locks see Programmable
Automatic Door
Locks on page 2- 10.
Seat Position Recall
Press the personalization button until SEAT POSITION
RECALL appears in the display. To select your
personalization for seat position recall, press the select
button while SEAT POSITION RECALL is displayed
on the DIC. Pressing the select button will scroll through
the following choices:
SEAT POSITION RECALL OFF (default): The memory
seat position you saved will only be recalled when the
memory button
1 or 2 is pressed.
SEAT POSITION RECALL AT KEY IN: The memory
seat position you saved will be recalled when you
put the key in the ignition.

SEAT POSITION RECALL ON REMOTE: The memory
seat position you saved will be recalled when you
unlock the vehicle with the remote keyless entry
transmitter.
Choose one of the three options and press the
personalization button while it is displayed on the DIC to
select it and move on to the next feature. For more
information on seat position recall see Memory Seat
on
page 2-47.
Perimeter Lighting
Press the personalization button until PERIMETER
LIGHTING appears in the display. To select your
personalization for perimeter lighting, press the select
button while PERIMETER LIGHTING is displayed on the
DIC. Pressing the select button will scroll through the
following choices:
PERIMETER LIGHTING ON (default): The headlamps
and back-up lamps will come on for
40 seconds, if it
is dark enough outside, when you unlock the vehicle
with the remote keyless entry transmitter.
PERIMETER LIGHTING OFF: The perimeter lights will
not come on when you unlock the vehicle with the
remote keyless entry transmitter.
Choose one of the two options and press the
personalization button while it is displayed on the DIC
to
select it and move on to the next feature.
Remote Lock Feedback
Press the personalization button until REMOTE LOCK
FEEDBACK appears in the display. To select your
personalization fsr the feedback you will receive when
locking the vehicle with the remote keyless entry
transmitter, press the select button while REMOTE LOCK FEEDBACK is displayed on the DIC. Pressing
the select button will scroll through the following choices:
LOCK FEEDBACK: BOTH (default): The parking
lamps will flash each time you press the button with the lock symbol on the remote keyless entry transmitter
and the horn will chirp the second time you press the
lock button.
LOCK FEEDBACK: OFF: There will be no feedback
when locking the vehicle.
LOCK FEEDBACK: HORN: The horn will chirp the
second time you press the button with the lock symbol
on the remote keyless entry transmitter.
LOCK FEEDBACK: LAMPS: The parking lamps will
flash each time you press the button with the lock
symbol on the remote keyless entry transmitter.
Choose one of the four options and press the
personalization button while it is displayed on the DIC to
select
it and move on to the next feature.
3-49

Remote Unlock Feedback
Press the personalization button until REMOTE
UNLOCK FEEDBACK appears in the display. To select
your personalization for the feedback you will receive
when unlocking the vehicle with the remote keyless
entry transmitter, press the select button while REMOTE
UNLOCK FEEDBACK is displayed on the DIC.
Pressing the select button will scroll through the
following choices:
UNLOCK FEEDBACK: LAMPS (default): The parking
lamps will flash each time you press the button with
the unlock symbol on the remote keyless entry
transmitter.
UNLOCK FEEDBACK: BOTH: The parking lamps will
flash each time
you press the button with the unlock
symbol on the remote keyless entry transmitter and the
horn will chirp the second time you press the unlock
button.
UNLOCK FEEDBACK: OFF: There will be no feedback
when unlocking the vehicle.
UNLOCK FEEDBACK: HORN: The horn will chirp the
second time
you press the button with the unlock
symbol on the remote keyless entry transmitter.
Choose one
of the four options and press the
personalization button while it is displayed on the DIC
to
select it and move on to the next feature.
Headlamps on at Exit
Press the personalization button until HEADLAMPS ON
AT EXIT appears in the display. To select your
personalization for how long the headlamps will stay on
when you turn
off the vehicle, press the select button
while HEADLAMPS
ON AT EXIT is displayed on
the DIC. Pressing the select button will scroll through
the following choices:
HEADLAMP DELAY: 10 SEC (default)
HEADLAMP DELAY: 20 SEC
HEADLAMP DELAY: 40 SEC
HEADLAMP DELAY: 60 SEC
HEADLAMP DELAY: 120 SEC
HEADLAMP DELAY: 180 SEC
HEADLAMP DELAY OFF
The amount of time you choose will be the amount of
time that the headlamps stay on after you turn
off
the vehicle. If you choose off, the headlamps will turn
off as soon as you turn off the vehicle.
Choose one
of the seven options and press the
personalization button while it is displayed on the DIC
to
select it and move on to the next feature.
3-50

TRAF (Traffic): Press this button to receive traffic
announcements. If the current tuned station does not
broadcast traffic announcements, the radio will seek
to a
station that does. When the radio finds a station that
broadcasts traffic announcements, it will stop. TRAF will
appear on the display and when a traffic announcement
comes on you will hear it.
If no station is found, NO
TRAF will appear on the display.
When a traffic announcement comes on the current
station or on a related network station, you will hear it,
even
if the volume is muted or a compact disc is
playing. The traffic symbol and TRAF will appear on the
display while the announcement plays.
If the cassette
tape or compact disc player was being used, play
will stop during the announcement.
This function does not apply to
XMTM Satellite Radio
Service.
Traffic Interrupt Feature: Your radio can interrupt the
play of a cassette, CD, or
XMTM. Press the TRAF
button. The radio will seek to a station that broadcasts
traffic announcements. When the radio finds a station
that broadcasts traffic announcements, it will stop. TRAF
will appear on the display. When a traffic announcement
comes on the station that was found, you
will hear it.
When the traffic announcement
is over, the radio
will resume play of the cassette, CD, or
XMTM. If no
station
is found, NO TRAF will appear on the display.
Radio Messages
CAL ERR (Calibration Error): This message is
displayed when the radio has not been calibrated
properly for the vehicle. You must return to the
dealership for service.
LOCKED: This message is displayed when the
THEFTLOCK@ system has locked up. You must return
to the dealership for service.
3-65

XMTM Radio Messages
Radio Display
Message Condition Action Required
XL
(Explicit Language
Channels)
Updating XL on the
radio display,
after the channel name, indicates content with
explicit language.
Updating encryption
code These channels,
or any others, can be blocked at a
customer’s request, by calling
1 -800-852-XMXM (9696).
The encryption code in your receiver is being updated, and
no action is required. This process should take no longer
than
30 seconds.
No Signal Loss of signal Your system is functioning correctly, but you are in a
location that is blocking the XM signal. When you move
into an open area, the signal should return.
Loading XM
Acquiring channel audio Your
radio system is acquiring and processing audio and
(after
4 second delay) text data. No action
is needed. This message should
disappear shortly.
CH Unavail
No Info Channel not
in service nnel is not currently in service. Tune
to another
available Tune
to another station. If this station was one of your
may need
to choose another station for that
available channel. Your system
is working properly.
No Info
3-66

XMTM Radio Messages (cont’d)
Radio Display Message Condition Action Required
No
Info Category Name not No category information is available at this time on this
available channel. Your system is working properly.
No Info No TexVlnformational
message available
the chosen category
Not
Found
No channel available for
XM Locked Theft lock active
Radio
ID Radio ID label
~~
(channel 0)
No text or informational messages are available at this
time on this channel. Your system
is working properly.
There are no channels available for the category you
selected. Your system is working properly.
The XM receiver in your vehicle may have previously been
in another vehicle. For security purposes, XM receivers
cannot be swapped between vehicles.
If you receive this
message after having your vehicle serviced, check with the
servicing facility.
If you tune to channel
0, you will see this message
alternating with your XM Radio
8 digit radio ID label. This
label is needed to activate your service.
Unknown
If you receive this message when you tune to channel 0,
you may have a receiver fault. Consult with your dealer.
3-67