GM Service Manual Online
For 1990-2009 cars only

Playing the Radio

VOLUME: Press this knob to turn the system on and off. To increase the volume, turn the knob clockwise. Turn the knob counterclockwise to decrease the volume.

RECALL: Press this button briefly to recall the station being played or to display the clock. To change what is normally shown on the display (station or time), press the button until you see the display you want, then hold the button until the display flashes. If you press the button when the ignition off, the clock will show for a few seconds.

Finding a Station

AM-FM Press this button to switch between AM, FM1 and FM2. The display shows the selection.

TUNE: Press the up or down arrow to choose radio stations.

SEEK: Press the up or down arrow to go to the next higher or lower station and stay there. The sound will mute while seeking.

SCAN: Press on of the SEEK arrows for two seconds and SCAN will appear on the display. Use SCAN to listen to stations for a few seconds. The radio will go to a station, stop for a few seconds, then go on to the next station. Press on of the SEEK buttons again to stop scanning. The sound will mute while scanning.

PUSHBUTTONS: The six numbered pushbuttons let you return to the customer's favorite stations. You can set up to 18 stations (six AM, six FM1 and six FM2. Just:

  1. Turn the radio on.
  2. Press AM-FM to select the band.
  3. Tune in the desired station.
  4. Press TONE to select the setting you prefer.
  5. Press and hold one of the six numbered buttons. The sound will mute. When it returns, release the button. Whenever you press that numbered button, the station you set will return and the tone you selected will be automatically selected for that button.
  6. Repeat the steps for each pushbutton.

P SCAN Press this button to listen to each of the preset stations for a few seconds. The radio will go first preset station, stop for a few seconds, the go on to the next preset station. Press P SCAN again to stop scanning. If a preset station has weak reception, the radio will not stop at the preset station.

AUTO SET Press this button and the system will seek and set the 12 stronger FM or the 6 strongest AM stations on the preset buttons (depending on which band (AM or FM) you are listening to). AUTO SET will flash while seeking and will remain on until this function is complete. To return to the stations you manually set, press AUTO SET again.

Setting the Tone

BASS: Press this knob lightly so it extends. Turn the knob to increase or decrease bass.

TREB: Press this knob lightly so it extends. Turn the knob to increase or decrease the treble.

Push these knobs back into their stored positions when you're not using them.

TONE: This feature allows you to choose preset bass and treble, equalization settings designed for classical, pop, rock, jazz, talk and country/western stations. CLASS will appear on the display when you first press TONE. Each time you press it, another setting will appear on the display. Press it again after C & W appears and MANUAL will appear. Tone control, will return to the BASS and TREB knobs. Also, if you use the BASS and TREB knobs, control will return to them and MANUAL will appear.

Adjusting the Speakers

BALL: Press this knob lightly so it extends. Turn the knob to move the sound to the left or right speakers. This middle position balance the sound between the speakers.

FADE: Press this knob lightly so it extends. Turn the knob to move the sound to the front or rear speakers. The middle position balances the sound between the speakers.

Push the knobs back into the stored positions when not in use.

Playing a Compact Disc

Insert a disc partway into the slot, label side up. The player will pull it in. The disc should begin playing.

If you want to insert a CD wile the ignition or the radio is off, first press EJECT or RECALL.

If you're driving on a very rough road or if it's very hot, the disc may not paly and an error code may appear on the display. When things get back to normal, the disc should play. If the disc comes out, it could be that:

    • The disc is upside down (E-30)
    • CD changer door is open (E-34)
    • CD cartridge empty (E-35)
    • The disc is dirty, scratched or wet
    • The air is very humid. If so, wait about an hour and try again.

PREV (1): Press this button to go to the start of the current track if more than eight seconds have played. If you hold the button or press it more than once, the player will continue moving back through the disc. The sound will mute while seeking.

NEXT (2): Press this button to go to the next track. If you hold the button or press it more than once, the player will continue moving forward through the disc. The sound will mute while seeking.

The SEEK down and up arrows will also find the previous and next selections on the disc.

<< (3): Press and hold this button to quickly reverse within a track. You will hear sound.

>> (4): Press and hold this button to quickly advance within a track. You will hear sound.

RAND (6): Press this button to hear the tracks in random, rather than sequential, order. Press RAND again to turn off the random play.

RECALL: Press this button to see which track is playing. Press it again within five seconds to see how long it has been playing. To change what is normally sown on the display (track or elapsed time), press the button until you see the display you want, then hold the button until the display flashes.

AM-FM: Press this button to play the radio when a disc is in the player.

SOURCE: Press this button to change to the disc function when the radio is on. When a disc is inserted, the disc will paly until you press AM-FM. Then the disc will stop playing and the radio will play. Press SOURCE again to play a disc again. CD PLAY will show on the display.

EJECT: Press this button to remove the disc.

If you turn off the ignition or radio with a disc in the player, the disc will stay in the player. When you turn on the ignition or system, the disc will start playing where it stopped.

If you turn off the ignition or radio with a disc in the player, the disc will stay in the player. When you turn on the ignition or system, the disc will start playing where it stopped, if it was the last-selected audio source. If you leave a compact disc in the player while listening to the radio, it may become warm.

Setting the Tone

BASS: Press this knob lightly so it extends. Turn the knob to increase or decrease bass.

TREB: Press this knob lightly so it extends. Turn the knob to increase or decrease treble. If a station is weak or noisy, you may want to decrease the treble.

Push these knobs back into their stored positions when you're not using them.

TONE: This feature allows you to choose preset bass and treble equalization settings designed for classical, pop, rock, jazz, talk and country/western stations. CLASS will appear on the display when you first press TONE. Each time you press it, another setting will appear on the display. Press it again after C & W appears and MANUAL will appear. Tone control will return to the BASS and TREB knobs, control will return to them and MANUAL will appear.

Adjusting the Speakers

BALL: Press this knob lightly so it extends. Turn the knob to move the sound to the left or right speakers. The middle position balance the sound between the speakers.

FADE: Press this knob lightly so it extends. Turn the knob to move the sound to the front or rear speakers. The middle position balances the sound between the speakers.

Push these knobs back into their stored positions when you're not using them.

Playing a Cassette Tape

The longer side with the tape visible should face to the right. If the ignition and the radio are on, the tape can be inserted and will begin playing. If you hear nothing or hear a garbled sound, the tape may not be in squarely. Press EJECT to remove the tape and start over.

While the tape is playing, use the VOLUME, FADE, BAL, BASS and TREB controls just as you do for the radio. Other controls may have different functions when a tape is inserted. The display will show an arrow to show which side of the tape is playing.

If you want to insert a tape when the ignition or radio is off, first press EJECT or RECALL.

The tape bias is set automatically.

If E and a number appear on the radio display, the tape won't play because of an error.

    • E10: The tape is tight and the player can't turn the tape hubs. Remove the tape. Hold the tape with the open end down and try to turn the right hub counterclockwise with a pencil. Turn the tape over and repeat. If the hubs do not turn easily, the tape may be damaged and should not be used in the player. Try a new tape to make sure the player is working properly.
    • E11: The tape is broken. Try a new tape.

PREV (1): Press this button to search for the previous selection on the tape. The tape must have at least three seconds of silence between each selection for PREV to work. The sound will mute while seeking.

NEXT (2): Press this button to search for the next selection on the tape. The tape must have at least three seconds of silence between each selection for the NEXT to work. The sound will mute while seeking.

The SEEK up and down arrows will also find the previous and next selection on the tape.

<<(3): Press this button to reverse the tape rapidly. Press it again to return to playing speed. The radio will play while the tape reverses.

>>(4): Press this button to advance quickly to another part of the tape. Press the button again to return to playing speed. The radio will play while the tape advances.

SIDE (5) Press this button to change the side of the tape that is playing.

RAND (6) Press this button to reduce the background noise when playing a cassette tape. The double-D symbol will appear in the display.

SOURCE: Press this button to change to the tape or disc function when the radio is on. If both a tape or disk a disc are inserted, the system will first go to tape play; TAPE SIDE and an arrow will appear on the display. If SOURCE is pressed again, the system will go to disc play; CD PLAY will appear on the display.

EJECT: The system has two EJECT buttons. Press the button near the CD slot to remove a disc. Press the button near the tape slot to remove a tape and the radio will play. If you leave a cassette tape in the player while listening to the radio, it may become warm.

CLN: If this message appears on the display, the cassette tape player needs to be cleaned. It will still play tapes, but you should clean it as soon as possible to prevent damage to the tapes and player. Refer to Tape Player and Cassette Care in this section. After you clean the player, press and hold EJECT for five seconds to reset the CLN indicator. The radio will display - - - to show the indicator was reset.

The cassette tape player automatically reduces background noise from the tapes encode with Dolby NR. You may turn Dolby off by pressing the number six preset.

Dolby® Noise Reduction is manufactured under a license from Dolby Laboratories Licensing Corporation. Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.