GMC SIERRA DENALI 2003 Owners Manual

SERVICE 4WD
If a problem occurs with the four wheel drive system,
this message will appear on the DIC.
If this message
appears, stop as soon as possible and turn
off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed,
or appears again when you begin driving, the four wheel
drive system needs service.
SERVICE AIR SUSPENSION
If a problem occurs with the suspension system, this
message will appear
on the DIC. If this message
appears, stop as soon as possible and turn
off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed,
or appears again when you begin driving, the air
suspension system needs service.
TURN SIGNAL ON
If a turn signal is left on for 314 of a mile (1.2 km), this
message will appear on the display and you will
hear a chime. Move the turn signaVmultifunction lever to
the
off position. Pressing the select button will
acknowledge this message and clear it from the DIC
display.
CARGO LAMP ON
If the cargo lamp is on, this message will appear on the
DIC and you will hear a chime. Turn
off the vehicle
and check the liftgate. Restart the vehicle and check for
the message on the
DIC display. Pressing the select
button will acknowledge this message and clear it from
the DIC display.
3-56

REDUCED BRAKE POWER
If your vehicle has vacuum assist power brakes, this
message will be displayed and you may notice that the
brake pedal is harder to push and it will take longer
to stop. You may also hear a motor running and feel a
slight vibration in the brake pedal or steering wheel
when you apply or release the brake pedal even
if your
foot is not on the brake pedal. This indicates that the
Supplemental Brake Assist system is working to
maintain braking power.
If you are braking lightly, you
may not notice any difference in the operation
of
your brakes.
This message may also be displayed for brief periods
if
you are driving at higher elevations and are pumping
your brakes or braking hard. The message may
clear after you’ve lifted your foot from the accelerator
pedal an allowed the vehicle to coast
in gear or after you
have driven down to a lower elevation. This is a
normal operation of your brake system and does not
require that the brake system be serviced. However,
if
the message does not clear, your brake system
needs service. While the message is displayed you will
notice that the brake pedal is harder to push and
it
will take longer to stop. See Brake System Warning
Light
on page 3-34.
Your brake system may not be working
properly if the REDUCED BRAKE POWER
message is displayed. If this message comes
on and stays on while driving, pull
off the road
and stop carefully. The brake pedal will be
harder to push and
it will take longer to stop.
If the message is no longer displayed after you
have pulled
off the road and stopped, you can
continue driving.
However, if the message is still displayed, or if
it comes on again when you are driving, there
is a problem with your brake system. If you
continue to drive with this message displayed
it can lead to an accident. You should have the
vehicle towed for service. Also, see Brake
System Warning Light in the Index.
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FUEL LEVEL LOW
If the fuel level is low, this message will appear on the
DIC and you will hear a chime. Refuel as soon as
possible. Pressing the select button will acknowledge
this message and clear it from the DIC display.
CHECK OIL LEVEL
If the oil level in the vehicle is low, this message will
appear on the DIC. Check and oil level and correct it as
necessary. You may need
to let the vehicle cool or
warm up and cycle the ignition to be sure this message
will clear. Once the problem is corrected, pressing
the select button will clear this message from the DIC
display.
CHECK WASHER FLUID
If the washer fluid level is low, this message will appear
on the DIC. Adding washer fluid will clear the message.
Pressing the select button will acknowledge this
message and clear it from the DIC display.
SERVICE 4 WHEEL STEER
If a problem occurs with the 4 wheel steer system, this
message will appear on the DIC. If this message
appears, stop as soon as possible and turn
off the
vehicle. Restart the vehicle and check for the message
on the DIC display.
If the message is still displayed,
or appears again when you begin driving, the four wheel
steer system needs service.
TRACTION ACTIVE
When the traction control system had detected that any
of the vehicle’s wheels are slipping, the traction
control system will activate and this message will appear
on the DIC. For more information see “Traction Assist”
in the Index.
3-58

TRANSMISSION HOT
If the transmission fluid temperature becomes high, the
message center will display this message.
When the transmission enters the protection mode, you
may notice a change in the transmission shifting
patterns. When the transmission fluid temperature
returns to normal, the display will turn
off and the
transmission shifting patterns will return
to normal.
Nofice: If you keep driving your vehicle with the
transmission
TRANS FLUID HOT message
displayed, you can damage the transmission.
This
could lead to costly repairs that may not be covered
under your warranty. The
following situations can cause the transmission to
operate at higher temperatures:
Towing a trailer
Hot outside air temperatures
0 Hauling a large or heavy load
Low transmission fluid level
High transmission fluid level
transmission oil cooler.
0 Restricted air flow to the radiator and the auxiliary
A temporary solution to hotter transmission operating
temperatures may be to let the transmission
cool down.
If the transmission is operated at higher temperatures
on a frequent basis, see
Scheduled Maintenance
on page 6-5 for the proper transmission maintenance
intervals.
3-59

DRIVER DOOR AJAR
If the driver’s door is not fully closed, this message will
appear on the display and you will hear a chime.
Stop and turn
off the vehicle, check the door for
obstacles, and close the door again. Check to see
if the
message still appears on the DIC. Pressing the select
button will acknowledge this message and clear it
from the DIC display.
PASSENGER DOOR AJAR
If the passenger’s door is not fully closed, this message
will appear on the display and you will hear a chime.
Stop and turn
off the vehicle, check the door for
obstacles, and close the door again. Check to see
if the
message still appears on the DIC. Pressing the select
button will acknowledge this message and clear it
from the DIC display.
RFA# BATTERY LOW
If a remote keyless entry transmitter battery is low, this
message will appear on the DIC. The battery needs
to be replaced in the transmitter. Pressing the select
button will acknowledge this message and clear it from
the DIC display.
3-60

Audio System@)
Notice: Before you add any sound equipment to
your vehicle
- like a tape player, CB radio, mobile
telephone or two-way radio
- be sure you can
add what you want.
If you can, it’s very important to
do
it properly. Added sound equipment may
interfere with the operation
of your vehicle’s engine,
Delphi Electronics radio or other systems, and
even damage them. Your vehicle’s systems may
interfere with the operation of sound equipment that
has been added improperly.
So, before adding sound equipment, check with
your dealer and be sure to check federal rules
covering mobile radio and telephone units.
Your audio system has been designed to operate easily
and to give years of listening pleasure. You will get
the most enjoyment out of it
if you acquaint yourself with
it first. Find out what your audio system can do and
how to operate all of its controls to be sure you’re getting
the most out of the advanced engineering that went
into it. Your vehicle
may have a feature called Retained
Accessory Power (RAP). With RAP, you can play your
audio system even after the ignition is turned
off.
See “Retained Accessory Power (RAP)” under Ignition
Positions on page
2- 15.
Setting the Time
Press and hold the HR button until the correct hour
appears on the display. Press and hold the
MN button
until the correct minute appears on the display. The time
may be set with the ignition on or
off.
To synchronize the time with an FM station broadcasting
Radio Data System
(RDS) information, press and
hold the hour and minute buttons at the same time until
RDS TIME appears on the display. To accept this
time, press and hold the hour and minute buttons, at the
same time, for another
2 seconds. If the time is not
available from the station,
NO UPDAT will appear on the
display instead.
RDS time
is broadcast once a minute. Once you have
tuned to an RDS broadcast station,
it may take a
few minutes for your time to update.
3-61

Radio with Cassette and CD
Radio Data System (RDS): Your audio system is
equipped with a Radio Data System (RDS). RDS
features are available for use only on
FM stations that
broadcast RDS information.
Seek to stations broadcasting the selected type of
programming,
receive announcements concerning local and
national emergencies,
display messages from radio stations, and
seek to stations with traffic announcements.
This system relies upon receiving specific information
from these stations and will only work when the
information is available. In rare cases, a radio station
may broadcast incorrect information that will cause
the radio features to work improperly. If this happens,
contact the radio station.
While you are tuned to an RDS station, the station
name or the call letters will appear on the display instead
of the frequency. RDS stations may also provide the
time of day, a program type
(PTY) for current
programming and the name of the program being
broadcast.
3-62

XMTM Radio Satellite Service (USA Only): XMTM is a
continental
U.S. based satellite radio service that
offers 100 coast to coast channels including music,
news, sports, talk and children’s programming. XMTM
provides digital quality audio and text information,
including song title and artist name. A service fee is
required in order to receive the XMTM service. For more
information, contact XMTM at www.xmradio.com or
call 1 -800-852-XMXM
(9696).
Digital Audio Broadcast (DAB) (Canada Only): DAB
is a Canadian land-based radio service that offers
digital quality audio and text information including song
title, artist name, traffic, weather, emergency
announcements and more. Digital Audio Broadcast
transmission services are currently available
in Toronto,
Montreal, Vancouver, Ottawa, and Windsor. In fringe
areas signals may be interrupted by buildings, trees and
other obstructions. Additional services will be added
in the future. For current DAB coverage and other
information consult the GM Canada website at
www.gmcanada.com, your dealer or call
1-800-263-3777.
Playing the Radio
PWR (Power): Press this knob to turn the system on
and off.
VOL (Volume): Turn this knob to increase or to
decrease volume.
AUTO VOL (Automatic Volume): Your audio system
monitors the noise inside your vehicle. To use automatic
volume, press the AUTO VOL button until AVOL
ON
appears on the display. Then, automatic volume
will automatically adjust the volume of your radio
so that
it always sounds the same to you. To turn the
automatic volume off, press the AUTO VOL button until
AVOL
OFF appears on the display.
3-63

DlSP (Display): Push this knob to switch the display
between radio station frequency and time. Time display
is available with the ignition turned off.
For RDS, push this knob to change what appears on
the display while using RDS. The display options
are station name, RDS station frequency, PTY and the
name of the program
(if available).
For XMTM (USA only,
if your radio is equipped with
XMTM Satellite Radio Service), push this knob while in
XM mode to retrieve various pieces of information
related to the current song or channel. By pressing and
releasing this knob, you may retrieve four different
categories of information: Artist, Song Title, Category
or
PTY, Channel NumberKhannel Name.
For DAB (Canada only,
if your radio is equipped with
DAB), pushing this knob switches the display between
channel name and PTY name.
To change the default on the display, push this knob
until you see the display you want, then hold the knob
for two seconds. The radio will produce one beep
and selected display will now be the default.
Finding a Station
BAND: Press this button to switch between AM, FM,
FM2, or XM1, XM2 (USA only,
if your radio is equipped
with XMTM Satellite Radio Service) or DABl, DAB2
(Canada only,
if your radio is equipped with DAB). The
display will show your selection.
TUNE: Turn this knob to choose radio stations.
For DAB (Canada only,
if your radio is equipped with
DAB), the TUNE knob allows
you to navigate the
DAB frequency range. Turning this knob will tune up or
tune down the range. The radio will display the letter
L with a number next to it (1 through 23). Each L number
refers to a frequency and there can be multiple
stations contained in one frequency. It may also take a
few seconds, once you have tuned to a frequency,
for that frequency to gather all of the stations.
Depending on how many stations are within a frequency,
with every tune up or down, you may be tuning to
another station or to another frequency. The display will
show your selections.
4 SEEK b : Press the right or the left arrow to seek
to the next or to the previous station and stay there.
The radio will seek only to stations that are in the
selected band and only to those with a strong signal.
3-64

4 SCAN b : Press and hold one of the arrows for
more than two seconds. The radio will produce
one beep. The radio will scan to a station, play for a few
seconds, then go on to the next station. SCAN will be
displayed. Press one of the arrows again to stop
scanning.
The radio will scan only to stations that are in the
selected band and only to those with a strong signal.
To scan preset stations, press and hold one
of the
arrows for more than four seconds. The radio will
produce two beeps. The radio will scan to the first preset
station, play for a few seconds, then go on to the next
preset station. PSCN will be displayed. Press one of the
arrows again or one of the pushbuttons to stop
scanning.
The radio will scan only to preset stations that are in the
selected band and only to those with a strong signal.
Setting Preset Stations
The six numbered pushbuttons let you return to your
favorite stations. You can set up to
30 stations (six AM,
six FMl and six FM2, six XMI and six XM2 (USA
only,
if your radio is equipped with the XM Satellite
Radio Service) or six DAB1 and six DAB2 (Canada only,
if your radio is equipped with DAB), by performing the
following steps:
1.
2.
3.
4.
5.
6.
Turn the radio on.
Press BAND to select AM, FM1 or FM2, or XMl.
XM2, or DAB1, DAB2.
Tune
in the desired station.
Press AUTO
EQ to select the equalization that best
suits the type of station you are listening to.
Press and hold one of the six numbered
pushbuttons. The radio will produce one beep.
Whenever you press that numbered pushbutton, the
station you set will return and the bass and treble
equalization that you selected will also be
automatically selected for that pushbutton.
Repeat the steps for each pushbutton.
3-65