GM Service Manual Online
For 1990-2009 cars only

Single CD Radio shown, Six-Disc CD Radio similar


Object Number: 1858916  Size: B3

The vehicle has one of these radios as its audio system.

An indicator light on the upper left side of the radio flashes when the ignition is off, to indicate the theft deterrent feature is set. For more information, see Theft-Deterrent Feature.

Playing the Radio

Top Knob (Power/Volume): Press to turn the system on and off. Turn to increase or decrease the volume.

MUTE: Press to silence the system. Press again to turn the sound on. This button is not available on the Six-Disc CD Radio.

(Information): Press until the desired display is shown, then hold for two seconds until radio beeps once to change the default display. The selected display is now the default. For RDS: Press to change the display. The display options are station name, RDS station frequency, PTY, and the name of the program (if available). For XM™: Press to retrieve four different categories of information related to the current song or channel: Artist, Song Title, Category or PTY, Channel Number/Channel Name.

Audio Settings

Press and hold when no tone or speaker control is displayed to adjust all tone and speaker controls to the middle position. AUDIO SETTINGS CENTERED displays.

Adjusting the Tone (Bass/Treble)

(Bass/Treble): To adjust the Bass or Treble:

Press and release until BASS or TREBLE displays.

    • Turn the knob to increase or to decrease the level.
    • Press and hold the knob until the level changes to the middle position.

Adjusting the Speakers (Balance/Fade)

(Balance/Fade): To adjust the Balance:

Press and release until BALANCE displays.

    • Turn the knob to move the sound toward the right or the left speakers.
    • Press and hold the knob until the level changes to the middle position.

To adjust the Fade:

Press and release until FADE displays

    • Turn the knob to move the sound toward the front or the rear speakers.
    • Press and hold the knob until the level changes to the middle position.
AUTO EQ (Automatic Equalization): The radio saves separate AUTO EQ settings for each preset and source.

For vehicles without the Bose® sound system:

    • Press AUTO EQ to select equalization settings designed for CLASSICAL, POP, ROCK, JAZZ, TALK, and COUNTRY.
    • Selecting CUSTOM or changing bass or treble, returns the EQ to the manual bass and treble settings.

For vehicles with the Bose® sound system:

    • Press AUTO EQ to select equalization settings from EQ1 through EQ6.
    • Selecting CUSTOM or changing bass or treble, returns the EQ to the manual bass and treble settings.
AUTO (Automatic Volume): Automatic volume automatically adjusts the audio system to make up for road and wind noise, by increasing the volume as vehicle speed increases. For vehicles without the Bose® sound system:

  1. Set the volume at the desired level.
  2. Press AUTO to select AUTO VOLUME MIN (minimum), AUTO VOLUME MED (medium), or AUTO VOLUME MAX (maximum). Each higher setting provides more volume compensation at faster vehicle speeds.
  3. Press AUTO until AUTO VOLUME OFF displays to turn automatic volume off.

For vehicles with the Bose® sound system:

Vehicles with the Bose® sound system include Bose® AudioPilot® noise compensation technology. AudioPilot® continuously adjusts the audio system equalization to compensate for background noise. This feature is most effective at lower radio volume settings where background noise can affect how well the audio is heard. At higher volume settings, there may be little or no adjustments by AudioPilot®. For additional information on AudioPilot®, visit bose.com/audiopilot.

To use AudioPilot®:

  1. Set the volume at the desired level.
  2. Press AUTO until AUTO VOLUME ON displays.
  3. Press AUTO until AUTO VOLUME OFF displays to turn off AudioPilot®.

Using the Radio

Radio Data System (RDS)

RDS features are available for use only on FM stations that broadcast RDS information. The station name or call letters display while the radio is tuned to an RDS station.

This system relies upon receiving specific information from these stations and works only when the information is available. In rare cases, a radio station can broadcast incorrect information that causes the radio features to work improperly. If this happens, contact the radio station.

With RDS, the radio can:

    • Seek to stations broadcasting the selected type of programming.
    • Receive announcements concerning local and national emergencies.
    • Display messages from radio stations.
    • Seek to stations with traffic announcements.
    • Provide the time of day.
    • Provide a program type (PTY) for current programming.
    • Provide the name of the program being broadcast.

XM™ Satellite Radio Service

XM is a satellite radio service that is based in the 48 contiguous United States and 10 Canadian provinces. XM Satellite Radio has a wide variety of programming and commercial-free music, coast-to-coast, and in digital-quality sound. During your trial or when you subscribe, you will get unlimited access to XM Radio Online for when you are not in the vehicle. A service fee is required to receive the XM service. For more information, contact XM at xmradio.com or call 1-800-929-2100 in the U.S. and xmradio.ca or call 1-877-438-9677 in Canada.

Finding an FM/AM/XM Station

BAND: Press to switch between FM1, FM2, AM, XM1 or XM2.

(Tune): Turn to select radio stations.

SEEK : Press to go to the previous or to the next station and stay there. The radio only stops at stations with a strong signal.

SCAN : Press and hold or for two seconds until FREQUENCY SCAN displays. The radio goes to a station, plays for a few seconds, then goes on to the next station. Press or again to stop scanning. To scan preset stations: Press and hold or for four seconds until PRESET SCAN displays. The radio goes to the next preset station, plays for a few seconds, then goes to the next preset station. Press or again or one of the pushbuttons to stop scanning presets. The radio only scans stations with a strong signal.

1-6 (Preset Pushbuttons): Press to play stations that are programmed to the radio preset pushbuttons.

Setting Preset Stations

Up to 30 stations (six FM1, six FM2, and six AM, six XM1 and six XM2), and equalization settings for each station can be programmed on the six numbered pushbuttons.

To set presets:

  1. Turn the radio on.
  2. Press BAND to select FM1, FM2, AM, or XM1 or XM2.
  3. Tune in the desired station.
  4. Press AUTO EQ to select the equalization.
  5. Press and hold one of the six numbered pushbuttons until the radio beeps once.
  6. Repeat the steps for each pushbutton.

Finding a Category (CAT) Station (XM Satellite Radio Service Only)

To select an XM station by category:

  1. Press CAT. The last selected category displays.
  2. Turn the knob to select a category.
  3. Press or to go to a category's station. SEEKING CATEGORY displays.
  4. To go to another station within that category, press the CAT button to display the category, then press or to go to another station.

If the radio cannot find the desired category, NONE displays and the radio returns to the last station tuned.

SCAN: To scan the stations within a category:

  1. Press CAT. The last selected category displays.
  2. Turn the knob to select a category.
  3. Press and hold or until a beep sounds and SCAN CATEGORY displays. The radio begins scanning the stations in the category.
  4. Press or to stop scanning.

Radio Messages

CAL ERR (Calibration Error): Displays if the radio is no longer configured properly for the vehicle. The vehicle must be returned to your dealer/retailer for service.

LOC (Locked): Displays when the THEFTLOCK® system has locked up. The vehicle must be returned to your dealer/retailer for service. If any error occurs repeatedly or cannot be corrected, contact your dealer/retailer.

RDS Messages

ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! displays. The announcement is heard, even if the volume is low or a CD is playing. If a CD is playing, play stops during the announcement. Alert announcements cannot be turned off. ALERT! is not affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations.

(Information): If the current station has a message, INFO (information) displays. Press to see the message. The message can display the artist, song title, call in phone numbers, etc. If the entire message is not displayed, parts of the message appears every three seconds. To scroll through the message, press and release . A new group of words display after every press of the button. Once the complete message has displayed, INFO disappears from the display until another new message is received. The last message can be displayed by pressing this button. The last message until a new message is received or the radio is tuned to a different station. NO INFO displays when a message is not available from a station.

TRAF (Traffic): TA (traffic) displays when the station broadcasts traffic announcements, the announcement will be played. Press TRAF and the radio seeks to a station that broadcasts traffic announcements. When a station is found, the radio stops seeking and TA displays. NO TRAFFIC INFO displays if a station that broadcasts traffic announcements can not be found. Press TRAF to turn off the traffic announcements if TA is on the display. The radio plays the traffic announcement even if the volume is low. The radio interrupts the play of a CD if the last tuned station broadcasts traffic announcements. This function does not apply to XM Satellite Radio Service.

Radio Messages for XM Only

See XM Radio Messages XM Radio Messages later in this section for further detail.

Using the CD Player

The CD player can play smaller 3 inch (8 cm) single CDs with an adapter ring.

A CD in the player it stays in the player when the ignition is turned off. When the ignition or radio is turned on, the CD starts to play where it stopped, if it was the last selected audio source.

Loading a CD

Single CD Radio:

Insert the CD partway into the slot, label side up, until the player pulls the CD in. The CD begins playing automatically.

The CD symbol displays when a CD is inserted, and the track number displays when each new track starts to play.

Six-Disc CD Radio:

If more than one CD has been loaded, a number for each CD displays.

(Load): Press to load CDs into the CD player.

To insert one CD:

  1. Press .
  2. Load a CD and insert the CD partway into the slot, label side up when INSERT CD # displays. The player pulls the CD in.

To insert multiple CDs:

  1. Press and hold for two seconds. Two beeps sound and LOAD ALL DISCS displays.
  2. Load a CD and insert the CD partway into the slot, label side up when INSERT CD # displays. The player pulls the CD in.
  3. Wait for INSERT CD # to display after the previous CD is loaded, then load the next CD. The CD player takes up to six CDs.

To load more than one CD but less than six, complete Steps 1 through 3. When finished loading CDs, press the button to cancel the loading function. The radio begins to play the last CD loaded.

Playing a CD

(Tune): Turn to go to the next or previous track.

(Reverse): Press and hold to reverse within the current track.

(Fast Forward): Press and hold to fast forward through the current track.

SEEK : Press the left arrow to go to the start of the current track if more than eight seconds have played. Press the right arrow to go to the start of the next track. If either arrow is held or pressed more than once, the player continues moving backward or forward through the CD.

SCAN : To scan one CD, press and hold either arrow for more than two seconds until SCAN displays and a beep sounds. The radio goes to the next track, plays for 10 seconds, then goes to the next track. Press either arrow again, to stop scanning. To scan all loaded CDs, press and hold either arrow for more than four seconds until SCAN displays and a beep sounds. Use this feature to listen to 10 seconds of the first track of each loaded CD. Press either arrow again, to stop scanning.

AUTO EQ (Automatic Equalization): Press to select the equalization setting while playing a CD. The equalization is stored when a CD is played. For more information on AUTO EQ, see "AUTO EQ" listed previously in this section.

BAND: Press to listen to the radio when a CD is playing. The inactive CD(s) remains inside the radio for future listening.

CD AUX (Auxiliary): Press to play a CD when listening to the radio. CD displays when a CD is in the player. If your system has a remote playback device, pressing this button a second time allows the remote device to play.

(Eject): Press to eject a CD from the Single CD Radio and the Six-Disc CD Radio.

Single CD Radio: Press to eject a CD.

Six-Disc CD Radio:

Press to eject the CD that is currently playing.

To eject multiple CDs:

  1. Press and hold for two seconds. A beep sounds and EJECT ALL displays.
  2. The ejected CD can be removed when REMOVE DISC displays.
  3. To stop ejecting the CDs, press the or .

The CD is automatically pulled back into the player if the CD is not removed after 25 seconds. Pushing a CD back into the player, before the 25 second time period is complete causes the player to sense an error and the CD player tries to eject the CD several times before stopping.

Wait for the timer to expire before pressing again. Pressing repeatedly after trying to push a CD in manually causes the CD players 25-second eject timer to reset.

RPT (Repeat): Press to hear a track or an entire CD over again. Single CD Radio: Press RPT to hear a track over again, REPEAT displays. Press again to turn off repeat, REPEAT OFF displays.

Six-Disc CD Radio:

    • Press RPT until REPEAT displays to repeat a track.
    • Press RPT until REPEAT ONE DISC displays to repeat an entire CD
    • Press RPT until REPEAT OFF displays to turn off repeat.
RDM (Random): Press to hear the tracks in random, rather than sequential order, on one CD or all of the loaded CDs.

Single CD Radio:

Press and release RDM, until RANDOM DISC PLAY displays. Press and release the RDM until RANDOM OFF displays to turn off random play.

Six-Disc CD Radio:

    • Press and release RDM until RANDOM DISC PLAY displays to play the tracks on one CD in random order. Once all tracks on this disc have played, RANDOM DISC PLAY will repeat.
    • Press and release RDM until RANDOM ALL DISCS displays to play the tracks on all of the CDs that are loaded in random order.
    • Press and release RDM until RANDOM OFF displays to turn off random play.
(Song List): The Song List feature can save 20 track selections.

To save tracks:

  1. If S-LIST is displayed, press to turn it off.
  2. Select the desired CD by pressing the numbered pushbutton and then use or knob to select the track to be saved.
  3. Press and hold until a beep sounds and ADDED SONG displays.
  4. Repeat Steps 2 and 3 to save other selections.

SONGLIST FULL displays if more than 20 selections are stored.

To play tracks:

  1. Press . One beep sounds and S-LIST displays. The recorded tracks begin to play in the order they were saved
  2. Press or to go back or forward within the saved tracks.

To delete tracks:

  1. Press to turn song list on. S-LIST displays.
  2. Press or , use the knob to select the desired track to be deleted.
  3. Press and hold until SONG REMOVED displays.

After a track has been deleted, the remaining tracks are moved up the list. When another track is added to the song list, the track is added to the end of the list.

To delete the entire song list:

  1. Press the button to turn song list on. S-LIST displays.
  2. Press and hold for more than four seconds. One beep sounds and SONGLIST EMPTY displays to confirm that the song list has been deleted.

If a CD is ejected, and the song list contains saved tracks from that CD, those tracks are automatically deleted from the song list. Any tracks saved to the song list again are added to the bottom of the list.

To end song list mode, press . One beep sounds and S-LIST is removed from the display.

Care of CDs and the CD Player

Care of CDs

Store CD(s) in their original cases or other protective cases and away from direct sunlight and dust. The CD player scans the bottom of the disc. If the bottom of a CD is damaged it may not play properly or at all. Do not touch the bottom of a CD while handling it. Pick up CDs by grasping the outer edges or the edge of the hole and the outer edge.

If the surface of a CD is dirty, take a soft, lint free cloth or dampen a clean, soft cloth in a mild, neutral detergent solution mixed with water, and clean it. Make sure the wiping process starts from the center to the edge.

Care of the CD Player

Do not add labels to a CD, it could get caught in the CD player. Use a marking pen to write on the top of the CD if a description is needed.

Do not use CD lens cleaners, they could damage the CD player.

Notice: If a label is added to a CD, or more than one CD is inserted into the slot at a time, or an attempt is made to play scratched or damaged CDs, the CD player could be damaged. While using the CD player, use only CDs in good condition without any label, load one CD at a time, and keep the CD player and the loading slot free of foreign materials, liquids, and debris.

If an error displays, see "CD Messages" later in this section.

Using the Auxiliary Input Jack

The radio system has an auxiliary input jack located on the right side of the faceplate. This is not an audio output; do not plug the headphone set into the front auxiliary input jack. An external audio device can be connected to the auxiliary input jack for use as another source for audio listening.

Drivers are encouraged to set up any auxiliary device while the vehicle is in P (Park). See Defensive Driving.

Connect a 3.5 mm (1/8 inch) cable to the radio’s front auxiliary input jack to use a portable audio player. The radio displays AUX INPUT DEVICE when a device is connected and begins playing audio from that device.

Top Knob (Power/Volume): Turn to increase or decrease the volume of the portable player. Additional volume adjustments can be made from the portable device.

BAND: Press to listen to the radio while a portable audio device is playing. The portable audio device continues playing.

CD/AUX (CD/Auxiliary): Press to play a CD while a portable audio device is playing. Press again and the system begins playing audio from the connected portable audio player. If a portable audio player is connected, AUX INPUT DEVICE displays. If a portable audio player is not connected, AUX INPUT DEVICE does not display.