GM Service Manual Online
For 1990-2009 cars only

Radio/Audio System Operation-Compact Disc Player with Automatic Tone Control

Playing the Radio

AM/FM Stereo with Compact Disc Player and Automatic Tone Control


Object Number: 429644  Size: SH

PWR-VOL

  1. Push the PWR-VOL knob in order to turn the radio ON and OFF.
  2. Rotate the volume control clockwise in order to increase the volume.
  3. Rotate the volume control counterclockwise in order to decrease the volume.

RECALL

  1. The RECALL function can only be preformed with the radio ON.
  2. Press the RECALL push button to toggle the display between the time of day or the radio frequency.
  3. Press the RECALL push button to briefly display the time of day while the radio is turned OFF.

Speed Control Volume (SCV)

  1. The AM/FM stereo with Integral Cassette Tape Player (UM) features Speed Control Volume (SCV).
  2. In order to use the SCV, adjust the volume to the listening level you want and move the control ring behind the PWR-VOL knob to adjust the SCV.
  3. The volume level automatically adjusts to compensate for road and wind noise as you drive.
  4. As you drive, the volume level will change in order to compensate for the noise present at any particular speed.
  5. Each detent on the SCV allows for more compensation at a faster rate.

Finding a Station

AM-FM

  1. Press the AM/FM push-button to switch between AM, FM1, and FM2.
  2. The display indicates the current band.

TUNE

  1. Press lightly on the TUNE control in order to release the tune control from the tune control's recessed position.
  2. Rotate the TUNE knob to the right in order to increase the frequency.
  3. Rotate the TUNE knob to the left in order to decrease the frequency.
  4. Push the TUNE control again in order to store the frequency setting while not tuning.

SEEK

  1. Press the right arrow key in order to tune into the next higher frequency.
  2. Press the left arrow key in order to tune into the next lower frequency.
  3. Audio is muted during the SEEK operation.

SCAN

  1. Press and hold SEEK for 2 seconds. SCAN will appear on the display.
  2. Use SCAN in order to listen to each radio station for a few seconds.
  3. Press SEEK again in order to stop scanning.

PUSH BUTTONS

Up to 18 stations (6 AM, 6 FM1, and 6 FM2) can be preset into the radio's memory using the six numbered push buttons.In order to preset a station in memory, perform the following steps:

  1. Press AM-FM in order to select the band.
  2. Tune to the desired station, using the TUNE knob or SEEK.
  3. Press AUTO TONE in order to select the setting that you prefer.
  4. Press and hold one of the 6 push buttons until audio returns (approximately 2 seconds).
  5. Whenever you press that push button, the preset station will return.
  6. The AUTO TONE that you selected will also be automatically selected for that push button.

P.SCAN

  1. Any stations already stored in preset memory can be sampled by the PSCAN mode.
  2. In order to use PSCAN, press the PSCAN push button.
  3. PSCAN will scan each of the presets and stop for a few seconds.

  4. Press PSCAN or one of the numbered pushbutton in order to stop scanning and listen to a specific station.
  5. PSCAN appears in the display whenever the tuner is in the PSCAN mode.

    If 1 of the stations stored on a pushbutton is weak, the radio display shows the channel number (P1-P6) for several seconds before advancing to the next preset station.

Setting the Tone

AUTO TONE

  1. The automatic tone control (ATC) feature tailors the equalization to the type of broadcast being received.
  2. Press AUTO TONE in order to step through the six preset equalization settings of CLASSIC, NEWS, ROCK, POP, JAZZ, or C/W (Country Western).
  3. Note the graph and words in the display for each press of the push button.

  4. 1 or more presses of the AUTO TONE push-button brings up manual (MAN) and will return the control of tone back to the TREB and BASS controls.
  5. Anytime that a BASS or TREBLE control rotates, the tone automatically sets to MAN.

BASS

  1. Depress the BASS control in order to remove the control from the recessed position.
  2. Rotate the BASS control to the right in order to increase the bass response.
  3. Rotate the BASS control to the left in order to decrease the bass responce.
  4. Operation of this control will switch the radio's AUTO TONE feature to MAN.
  5. Push the control knob back in to store when not in use.

TREB

  1. Depress the TREB control in order to remove the control from the recessed position.
  2. Pull the TREB control out to a fully extended position in order to make TREB adjustments.
  3. Rotate the TREB control to the right in order to increase the treble response.
  4. Rotate the TREB control to the left in order to decrease the treble responce.
  5. Operation of this control will switch the radio's AUTO TONE feature to MAN.
  6. Push the control knob back in to store when not in use.

Adjusting the Speakers

BALANCE

  1. Depress the BAL control in order to remove the control from the recessed position.
  2. Rotate the balance to the right in order to adjust the sound to the right speakers.
  3. Rotate the balance to the left in order to adjust the sound to the left speakers.
  4. Push the control knob back in to store when not in use.

FADE

  1. Depress the FADE control in order to remove the control from the recessed position.
  2. Rotate the FADE control knob to the right in order to adjust the sound to the front speakers.
  3. Rotate the FADE control knob to the left in order to adjust the sound to the rear speakers.
  4. Push the control knob back in order to store when not in use.

Playing a Compact Disc

PWR

    • Press the PWR knob in order to turn the system on.
    • The system can be turned on by inserting a compact disc into the player with the ignition in the ON position.
    • Insert a disc partway into the slot, label side up.
    • The player pulls the disc in.
    • When inserted, the disc will begin playing track 1.
    • Wait a few seconds until the disc plays.
    • The letters "CD" and a CD symbol appears on the display.
    • If the disc comes back out and ERR appears on the display, inspect for the following conditions:
      • The disc is upside down.
      • The disc is dirty, scratched, or wet.
      • There is too much moisture in the air.
      • Wait an hour and try again.
      • The vehicle is operating on a very rough road.
      • The disc player is very hot.
    • Press RECALL in order to eliminate the ERR message.

RECALL

  1. Press the RECALL button in order to see what track is playing.
  2. Press the RECALL button again within 5 seconds in order to see the elapsed time of the current track.
  3. The track number appears when a new track begins to play.
  4. Press RECALL again in order to return to the time display.

PREV

  1. Press PREV or the SEEK left arrow in order to search for the previous selection.
  2. If you hold the PREV button or press it more than once, the disc advances further.

RDM

  1. The random playback (RDM) feature allows the tracks on the compact disc to be played in random order rather than in sequential order.
  2. During random playback, a RANDOM indicator appears in the display.
  3. Press RDM again in order to return to normal play.

NEXT

  1. Press NEXT or the SEEK right arrow in order to search for the next selection.
  2. If you hold the NEXT button or press it more than once, the disc will advance further.
  3. The next track number will appears on the display.

REV

  1. Press and hold the REV button in order to quickly reverse within a track.
  2. When the CD reverses, elapsed time displays in order to find the correct passage.

FWD

  1. Press and hold the FWD button in order to quickly advance within a track.
  2. When the CD advances, elapsed time displays in order to find the correct passage.

AM-FM

  1. While in the CD mode, press the AM-FM button in order to stop playing the CD and play the radio.
  2. The CD symbol will still be displayed but the letters CD are replaced with AM, FM1, or FM2.
  3. If the radio is turned OFF, the disc will remain in the player and resume playing at the point where it stopped, when the radio is turned ON.

CD AUX

  1. Press the CD AUX button in order to return from listening to the radio and play the CD.
  2. When a disc plays, the letters "CD" and the CD symbol will appear on the display.
  3. If the radio is turned OFF, the disc will remain in the player and resume playing at the point where it stopped, when the radio is turned ON.

EJECT

  1. Press EJECT in order to eject the disc from the CD player.
  2. A disc that has been ejected but not removed from the player will be pulled back in within 30 seconds.
  3. This protects the disc and the player from damage.
  4. The disc does not play.
  5. In order to remove the disc, press the EJECT button and remove the disc from the player.

Radio/Audio System Operation-Compact Disc Player Remote

Playing a Compact Disc

Remote Compact Disc Player


Object Number: 332007  Size: SH
  1. In order to operate the Compact Disc player, perform the following steps:
  2. Insert a disk part way into the slot, label side up.
  3. If the radio is in the OFF position and the ignition is in the ON position when you insert the CD, the radio turns on and begins playing the CD.
  4. In order to load a CD with the ignition in the OFF position, press the EJECT button on the remote player and insert the disc.
  5. In order to remove the disc, press the EJECT button and remove the disc.
  6. All of the compact disc functions are controlled by the radio buttons except EJECT.
  7. When a disc is in the player, a CD symbol appears next to the CD symbol in the bottom left corner on the display.
  8. The track number will also be displayed .

  9. If the disc comes back out and ERR appears on the display, inspect for the following conditions:
  10. • An upside down disc
    • A dirty, scratched, or wet disc
    • Too much moisture in the air
    • If there is too much moisture in the air, wait about one hour and try again.
    • The vehicle is operating on a very rough road.

TAPE AUX

  1. With a disc loaded in the player and the radio playing, press the TAPE AUX button once in order to play the compact disc.
  2. Press AM-FM in order to return to the radio.
  3. If you load both a cassette and a CD, press TAPE AUX in order to switch between the tape and the compact disc.

SEEK

  1. Press the left arrow while playing a CD in order to go back to the beginning of the current track.
  2. The CD goes back to the current track if more than 8 seconds have played.
  3. Press the left arrow again in order to go to the previous tracks.
  4. Press the right arrow in order to go to the next higher track on the disc.

PREV

  1. Press PREV in order to go back to the beginning of a current track.
  2. The CD goes back to the current track after 8 seconds have played.
  3. Press PREV again in order to go the previous track on the disc.

PROG

The PROG button functions only when the vehicle is equipped with a 12-disc changer.

NEXT

Press the NEXT button in order to advance to the next track on the disc.

REV

  1. Press and hold the REV button in order to quickly reverse within a track.
  2. When the CD reverses, elapsed time displays in order to find the correct passage.

FWD

  1. Press and hold the FWD button in order to advance within a track.
  2. When the CD advances, elapsed time displays in order to find the correct passage.

RANDOM

  1. Press P.SCAN in order to enter the RANDOM play mode.
  2. RANDOM will appear on the display.

  3. While in this mode, the tracks on the disc will be played in random order.
  4. If you press the SEEK, PREV, or NEXT buttons while in the random mode, the PREV or NEXT track scans randomly.
  5. Press P.SCAN again in order to turn off RANDOM and return to normal operation.

EJECT

  1. Press EJECT in order to eject the disc from the CD player.
  2. A disc that has been ejected but not removed from the player will be pulled back in within 30 seconds.
  3. This protects the disc and the player from damage.
  4. The disc does not play.
  5. In order to remove the disc, press the EJECT button and remove the disc from the player.

RECALL

  1. Press RECALL in order to see what track is playing.
  2. Press RECALL again within 5 seconds in order to view elapsed time.
  3. Press RECALL a third time and the time of day will be displayed.