ignition GMC SIERRA 2004 Repair Manual

XMŸ Satellite Radio Service
(48 Contiguous US States)
XMŸ 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.
XMŸ provides digital quality audio and text information,
including song title and artist name. A service fee is
required in order to receive the XMŸ service. For more
information, contact XMŸ at www.xmradio.com or
call 1-800-852-XMXM (9696).
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):With automatic
volume, your audio system will adjust automatically to
make up for road and wind noise as you drive by
increasing the volume as vehicle speed increases.
Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. AVOL will appear
on the display. Each higher setting will provide more
volume compensation as vehicle speed increases.
To turn automatic volume off, press this button until
AVOL OFF appears on the display.DISPL (Display):Press this knob to switch the display
between the radio station frequency and the time.
Time display is available with the ignition off.
For RDS, press the DISPL 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 XMŸ (48 contiguous US states, if equipped), press
the DISPL knob while in XM mode to retrieve four
different categories of information related to the current
song or channel: Artist, Song Title, Category or PTY,
Channel Number/Channel Name.
To change the default on the display, press the DISPL
knob until you see the display you want, then hold
the knob for two seconds. The radio will produce one
beep and the selected display will now be the default.
Finding a Station
BAND:Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (48 contiguous US states, if
equipped). The display will show your selection.
TUNE:Turn this knob to select radio stations.
qSEEKr:Press the right or the left arrow to go 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.
3-78

XMŸ Radio Messages (cont'd)
Radio Display
MessageCondition Action Required
Unknown Radio ID not known
(should only be if
hardware failure)If you receive this message when you tune to channel 0,
you may have a receiver fault. Consult with your dealer.
Chk XMRcvr Hardware failure If this message does not clear within a short period of time,
your receiver may have a fault. Consult with your retail
location.
Playing a CD
Insert a CD partway into the slot, label side up. The
player will pull it in and the CD should begin playing. The
CD symbol will appear on the display. If you want to
insert a CD with the ignition off, ®rst press the eject
button or the DISPL knob.
If you turn off the ignition or radio with the CD in the
player, it will stay in the player. When you turn on
the ignition or the radio, the CD will start playing, where
it stopped, if it was the last selected audio source.
As each new track starts to play, the track number will
appear on the display.
The CD player can play the smaller 8 cm single CDs
with an adapter ring. Full-size CDs and the smaller CDs
are loaded in the same manner.If playing a CD-R the sound quality may be reduced
due to CD-R quality, the method of recording, the quality
of the music that has been recorded, and the way the
CD-R has been handled. You may experience an
increase in skipping, difficulty in ®nding tracks, and/or
difficulty in loading and ejecting. If these problems occur
try a known good CD.
Do not add paper labels to CDs, they could get caught
in the CD player.
Do not play 3 inch CDs without a standard adapter CD.
If an error appears on the display, see ªCD Messagesº
later in this section.
3-85

DISPL (Display):Press this knob to see how long the
current track has been playing. ET and the elapsed
time of the track will appear on the display. To change
the default on the display (track or elapsed time),
press this knob until you see the display you want, then
hold the knob for two seconds. The radio will produce
one beep and the selected display will now be the
default.
BAND:Press this button to listen to the radio when a
CD is playing. The inactive CD will remain safely
inside the radio for future listening
CD AUX (Auxiliary):Press this button to play a CD
when listening to the radio.
Z(Eject):Press this button to stop a CD when it is
playing or to eject a CD when it is not playing. Eject
may be activated with either the ignition or radio off. CDs
may be loaded with the radio and ignition off if this
button is pressed ®rst.
CD Messages
If the CD comes out, it could be for one of the following
reasons:
·It is very hot. When the temperature returns to
normal, the CD should play.
·You are driving on a very rough road. When the
road becomes smoother, the CD should play.
·The CD is dirty, scratched, wet, or upside down.
·The air is very humid. If so, wait about an hour and
try again.
·There may have been a problem while burning
the CD.
·The label may be caught in the CD player.
If the CD is not playing correctly, for any other reason,
try a known good CD.
If any error occurs repeatedly or if an error cannot be
corrected, contact your dealer. If your radio displays an
error message, write it down and provide it to your
dealer when reporting the problem.
3-87

XMŸ Satellite Radio Service
(48 Contiguous US States)
XMŸ 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.
XMŸ provides digital quality audio and text information,
including song title and artist name. A service fee is
required in order to receive the XMŸ service. For more
information, contact XMŸ at www.xmradio.com or
call 1-800-852-XMXM (9696).
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):With automatic
volume, your audio system will adjust automatically to
make up for road and wind noise as you drive by
increasing the volume as vehicle speed increases.Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. AVOL will appear
on the display. Each higher setting will provide more
volume compensation as vehicle speed increases.
To turn automatic volume off, press this button until
AVOL OFF appears on the display.
DISPL (Display):Press this knob to switch the display
between the radio station frequency and the time.
Time display is available with the ignition turned off.
For RDS, press the DISPL 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 XMŸ (48 contiguous US states, if equipped), press
the DISPL knob while in XM mode to retrieve four
different categories of information related to the current
song or channel: Artist, Song Title, Category or PTY,
Channel Number/Channel Name.
To change the default on the display, press the DISPL
knob until you see the display you want, then hold
the knob for two seconds. The radio will produce one
beep and the selected display will now be the default.
3-89

XMŸ Radio Messages (cont'd)
Radio Display
MessageCondition Action Required
XM Locked Theft lock active 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.
Radio ID Radio ID label
(channel 0)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 Radio ID not known
(should only be if
hardware failure)If you receive this message when you tune to channel 0,
you may have a receiver fault. Consult with your dealer.
Chk XMRcvr Hardware failure If this message does not clear within a short period of time,
your receiver may have a fault. Consult with your retail
location.
Playing a Cassette Tape
Your tape player is built to work best with tapes that are
up to 30 to 45 minutes long on each side. Tapes
longer than that are so thin they may not work well in
this player. The longer side with the tape visible should
face to the right. If the ignition is on, but the radio is
off, the tape can be inserted and will begin playing. A
tape symbol will appear on the display whenever a tapeis inserted. If you hear nothing, or hear a garbled
sound, the tape may not be in squarely. Press the eject
button to remove the tape and start over.
While the tape is playing, use the VOL, AUDIO, and
SEEK controls just as you do for the radio. TAPE
will appear on the display and an arrow showing which
side of the tape is playing. The tape player automatically
begins playing the other side when it reaches the
end of the tape.
3-96

If you want to insert a tape while the ignition is off, ®rst
press the eject button or the DISPL knob. Cassette
tape adapter kits for portable CD players will work in
your cassette tape player.
Your tape bias is set automatically when a metal or
chrome tape is inserted.
If an error appears on the display, see ªCassette Tape
Messagesº later in this section.
1 PREV (Previous):Your tape must have at least three
seconds of silence between each selection for previous
to work. Press this pushbutton to go to the previous
selection on the tape if the current selection has been
playing for less than three seconds. If pressed when the
current selection has been playing from 3 to 13 seconds,
it will go to the beginning of the previous selection or
the beginning of the current selection, depending upon
the position on the tape. If pressed when the current
selection has been playing for more than 13 seconds, it
will go to the beginning of the current selection.
SEEK and a negative number will appear on the display
while the cassette player is in the previous mode.
Pressing this pushbutton multiple times will increase the
number of selections to be searched back, up to -9.2 NEXT:Your tape must have at least three seconds of
silence between each selection for next to work. Press
this pushbutton to go to the next selection on the tape. If
you press the pushbutton more than once, the player will
continue moving forward through the tape. SEEK and a
positive number will appear on the display.
3 REV (Reverse):Press this pushbutton to reverse the
tape rapidly. Press this pushbutton again to return to
playing speed. The radio will play while the tape
reverses. The station frequency and REV will appear on
the display. You may select stations during reverse
operation by using TUNE and SEEK.
4 FWD (Forward):Press this pushbutton to advance
the tape rapidly. Press this pushbutton again to return to
playing speed. The radio will play while the tape
advances. The station frequency and FWD will appear
on the display. You may select stations during
forward operation by using TUNE and SEEK.
5 SIDE:Press this pushbutton to play the other side of
the tape.
qSEEKr:The right arrow is the same as the
NEXT pushbutton, and the left arrow is the same as the
PREV pushbutton. If you hole either arrow or press it
more than once, the player will continue moving forward
or backward through the tape. SEEK and a positive
or negative number will appear on the display.
3-97

CD Adapter Kits
It is possible to use a portable CD player with your
cassette tape player after activating the bypass feature
on your tape player.
To activate the bypass feature, perform the following
steps:
1. Turn the ignition on.
2. Turn the radio off.
3. Press and hold the TAPE DISC button for ®ve
seconds. READY will appear on the display and
the tape symbol on the display will ¯ash, indicating
the feature is active.
4. Insert the adapter into the cassette tape slot. It will
power up the radio and begin playing.
The override feature will remain active until the eject
button is pressed.
Playing a CD
Insert a CD partway into the slot, label side up. The
player will pull it in and the CD should begin playing. The
CD symbol will appear on the display. If you want to
insert a CD with the ignition off, ®rst press the eject
button or the DISPL knob.If you turn off the ignition or radio with the CD in the
player, it will stay in the player. When you turn on
the ignition or the radio, the CD will start playing, where
it stopped, if it was the last selected audio source.
As each new track starts to play, the track number will
appear on the display.
The CD player can play the smaller 8 cm single CDs
with an adapter ring. Full-size CDs and the smaller CDs
are loaded in the same manner.
If playing a CD-R the sound quality may be reduced
due to CD-R quality, the method of recording, the quality
of the music that has been recorded, and the way the
CD-R has been handled. You may experience an
increase in skipping, difficulty in ®nding tracks, and/or
difficulty in loading and ejecting. If these problems occur
try a known good CD.
Do not add paper labels to CDs, they could get caught
in the CD player.
Do not play 3 inch CDs without a standard adapter CD.
If an error appears on the display, see ªCD Messagesº
later in this section.
3-99

BAND:Press this button to listen to the radio when a
cassette tape or CD is playing. The inactive tape or CD
will remain safely inside the radio for future listening
TAPE DISC:Press this button to play a cassette tape
or CD when listening to the radio. The inactive tape
or CD will remain safely inside the radio for future
listening.
Z(Eject):Press this button to stop a CD when it is
playing or to eject a CD when it is not playing. Eject
may be activated with either the ignition or radio off. CDs
may be loaded with the radio and ignition off if this
button is pressed ®rst.
CD Messages
If the CD comes out, it could be for one of the following
reasons:
·It is very hot. When the temperature returns to
normal, the CD should play.
·You are driving on a very rough road. When the
road becomes smoother, the CD should play.
·The CD is dirty, scratched, wet, or upside down.
·The air is very humid. If so, wait about an hour and
try again.
·There may have been a problem while burning
the CD.
·The label may be caught in the CD player.
If the CD is not playing correctly, for any other reason,
try a known good CD.
If any error occurs repeatedly or if an error cannot be
corrected, contact your dealer. If your radio displays an
error message, write it down and provide it to your
dealer when reporting the problem.
Listening to a DVD
If your vehicle has the Rear Seat Entertainment (RSE)
system and a DVD is playing, the DVD symbol will
appear on the radio display indicating that the DVD is
available and can be listened to through your vehicle's
speakers. To listen to the DVD, press the TAPE
DISC button until RSE appears on the radio display.
The current radio source will stop and the DVD sound
will come through the speakers. To stop listening to
the DVD, press the TAPE DISC button, if a cassette
tape or a CD is loaded, or press the BAND button
to select a different source.
When the RSE system is turned off, the DVD symbol
will go off of the radio display and RSE OFF will appear
on the radio display. The radio will return to the last
radio source that you were listening to.
3-101

XMŸ Satellite Radio Service
(48 Contiguous US States)
XMŸ 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.
XMŸ provides digital quality audio and text information,
including song title and artist name. A service fee is
required in order to receive the XMŸ service. For more
information, contact XMŸ at www.xmradio.com or
call 1-800-852-XMXM (9696).
Playing the Radio
PWR (Power):Push this knob to turn the system on
and off.
VOLUME:Turn the knob to increase or to decrease
volume.
AUTO VOL (Automatic Volume):With automatic
volume, your audio system will adjust automatically to
make up for road and wind noise as you drive by
increasing the volume as vehicle speed increases.
Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. AVOL will appear
on the display. Each higher setting will provide more
volume compensation as vehicle speed increases.
To turn automatic volume off, press this button until
AVOL OFF appears on the display.RCL (Recall):Press this knob to switch the display
between the radio station frequency and the time.
Pressing this knob with the ignition off will display
the time.
For XMŸ (48 contiguous US states, if equipped), press
the RCL knob while in XMŸ mode to retrieve four
different categories of information related to the current
song or channel: Artist, Song Title, Category or PTY,
Channel Number/Channel Name.
To change the default on the display, press the RCL knob
until you see the display you want, then hold the knob
until the display ¯ashes. The selected display will now be
the default.
Finding a Station
BAND:Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (48 contiguous US states, if
equipped). The display will show your selection.
TUNE:Turn this knob to select radio stations.
sSEEKt:Press the right or the left arrow to go 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.
3-103

Playing a CD
If you turn off the ignition or radio with the CD in the
player, it will stay in the player. When you turn on
the ignition or the radio, the CD will start playing, where
it stopped, if it was the last selected audio source.
The CD player can play the smaller 8 cm single CDs
with an adapter ring. Full-size CDs and the smaller CDs
are loaded in the same manner.
If playing a CD-R the sound quality may be reduced
due to CD-R quality, the method of recording, the quality
of the music that has been recorded, and the way the
CD-R has been handled. You may experience an
increase in skipping, difficulty in ®nding tracks, and/or
difficulty in loading and ejecting. If these problems occur
try a known good CD.
Do not add paper labels to CDs, they could get caught
in the CD player.
Do not play 3 inch CDs without a standard adapter CD.
If an error appears on the display, see ªCD Messagesº
later in this section.LOAD CD
Z:Press the LOAD side of this button to
load CDs into the CD player. This CD player will
hold up to six CDs.
To insert one CD, do the following:
1. Turn the ignition on.
2. Press and release the LOAD side of the LOAD CD
button.
3. Wait for the light, located to the right of the slot, to
turn green.
4. Load a CD. Insert the CD partway into the slot,
label side up. The player will pull the CD in.
When a CD is inserted, the CD symbol will appear on
the display. If you select an equalization setting for your
CD, it will be activated each time you play a CD.
The CD will begin to play automatically.
As each new track starts to play, the track number will
appear on the display.
To insert multiple CDs, do the following:
1. Turn the ignition on.
2. Press and hold the LOAD side of the LOAD CD
button for two seconds.
You will hear a beep and the light, located to the
right of the slot, will begin to ¯ash.
3-110