GM Service Manual Online
For 1990-2009 cars only

Radio with CD MP3


Object Number: 1434153  Size: B3

Radio Data System (RDS)

The audio system has a Radio Data System (RDS). RDS features are available for use only on FM stations that broadcast RDS information.

With RDS, the radio can do the following:

    • 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

This system relies upon receiving specific information from these stations and only works 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.

While the radio is tuned to an RDS station, the station name or call letters display instead of the frequency. RDS stations can also provide the time of day, a program type (PTY) for current programming, and the name of the program being broadcast.

Playing the Radio

PWR (Power): Press this knob to turn the system on and off.

VOL (Volume): Turn the VOL knob clockwise or counterclockwise to increase or to decrease the volume.

DISPL (Display): When the ignition is turned off, press this knob to display the time. For RDS, press the DISPL knob to change what displays while using RDS. The display options are station name, RDS station frequency, PTY (program type), and the name of the program (if available). To change the default on the display, press the DISPL knob until you see the desired display, then hold this knob for two seconds. The radio produces one beep and the selected display becomes the default.

AUTO VOL (Automatic Volume): With automatic volume, the audio system adjusts automatically to make up for road and wind noise as you drive. Set the volume at the desired level. Press this button to select LOW, MEDIUM, or HIGH. AVOL (automatic volume) displays. Each higher setting allows for more volume compensation at faster vehicle speeds. Then as you drive, automatic volume increases the volume, as necessary, to overcome noise at any speed. The volume level should always sound the same to you as you drive. NONE displays if the radio cannot determine the vehicle speed. To turn automatic volume off, press this button until OFF displays.

Finding a Station

BAND: Press this button to switch between FM1, FM2, or AM. The display shows the selection.

TUNE : Turn the TUNE knob to select radio stations.

SEEK : Press the left or right SEEK arrow to go to the previous or to the next station and stay there. The radio only seeks stations with a strong signal that are in the selected band.

SCAN : Press and hold either the left or right SCAN arrow for more than two seconds. SCAN displays and the radio produces one beep. The radio goes to a station, plays for a few seconds, then goes to the next station. Press either the left or right SCAN arrow again or one of the pushbuttons to stop scanning presets. To scan preset stations, press and hold either the left or right SCAN arrow for more than four seconds. PSCN displays and the radio produces one beep. The radio goes to a preset station, plays for a few seconds, then goes to the next preset station. Press either the left or right SCAN arrow again or one of the pushbuttons to stop scanning presets. The radio only scans stations with a strong signal that are in the selected band.

Setting Preset Stations

Up to 18 stations (six FM1, six FM2, and six AM), can be programmed on the six numbered pushbuttons, by performing the following steps:

  1. Turn the radio on.
  2. Press BAND to select FM1, FM2, or AM.
  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 a beep sounds. When that numbered pushbutton is pressed, the station that was set, returns and the equalization that was selected, is stored for that pushbutton.
  6. Repeat the steps for each pushbutton.

Setting the Tone (Bass/Treble)

AUDIO: Push and release the AUDIO knob until BASS or TREB displays. Turn the knob to increase or to decrease. The display shows the bass or the treble level. If a station is weak or has static, decrease the treble. To adjust the bass and the treble to the middle position, push and hold the AUDIO knob. The radio produces one beep. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. ALL CENTERED displays and a beep sounds.

AUTO EQ (Automatic Equalization): Press this button to select customized equalization settings designed for country/western, jazz, talk, pop, rock, and classical. To return the bass and treble to the manual mode, push and release the AUTO EQ button until CUSTOM displays.

Adjusting the Speakers (Balance/Fade)

AUDIO: To adjust the balance between the right and the left speakers, push and release the AUDIO knob until BAL displays. Turn the knob to move the sound toward the right or the left speakers. To adjust the fade between the front and the rear speakers, push and release the AUDIO knob until FADE displays. Turn the knob to move the sound toward the front or the rear speakers. To adjust the balance or the fade to the middle position, push the AUDIO knob to select BAL or FADE, then push it again and hold it until one beep sounds. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. ALL CENTERED displays and a beep sounds.

Finding a Program Type (PTY) Station (RDS)

To select and find a desired PTY perform the following:

  1. Turn the P-TYPE knob to activate program type select mode. TYPE and a PTY displays.
  2. Turn the P-TYPE knob again, to select a PTY.
  3. Once the desired PTY is displayed, press the SEEK TYPE button to select and to take you to the PTY's first station.
  4. To go to another station within that PTY, press the SEEK TYPE button twice to display the PTY and then go to another station.
  5. Press P-TYPE knob to exit program type select mode.
  6. IF PTY times out and is no longer on the display, go back to Step 1.

If both PTY and TRAF are on, the radio searches for stations with the selected PTY and traffic announcements.

If the radio cannot find the desired program type, NONE displays and the radio returns to the last station you were listening to.

BAND (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. To turn alternate frequency on, press and hold BAND for two seconds. AF ON displays. The radio can switch to stations with a stronger frequency. To turn alternate frequency off, press and hold BAND again for two seconds. AF OFF displays. The radio does not switch to other stations.

RDS Messages

ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! displays. You will hear the announcement, 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.

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

TRAF (Traffic): If TRAF displays, the tuned station broadcasts traffic announcements and when a traffic announcement broadcasts on the tuned radio station, you will hear it. If the station does not broadcast traffic announcements, press the TRAF button and the radio seeks to a station that does. When a station that broadcasts traffic announcements is found, the radio stops seeking and TRAF displays. If no station is found that broadcasts traffic announcements, NO TRAF displays. If TRAF is on the display, press the TRAF button to turn off the traffic announcements. The radio plays the traffic announcement if the volume is low. The radio interrupts the play of a CD if the last tuned station broadcasts traffic announcements.

Radio Messages

CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR displays it means that the radio has not been configured properly for your vehicle and it must be returned to your dealer/retailer for service.

LOCKED: This message displays when the THEFTLOCK® system has locked up. Take your vehicle to your dealer/retailer for service. If any error occurs repeatedly or if an error cannot be corrected, contact your dealer/retailer.

Playing a CD

Insert a CD partway into the slot, label side up. The player pulls it in, and READING displays. The CD should begin playing. If you want to insert a CD with the ignition off, first press the eject button or the DISPL knob.

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

When the CD is inserted, the CD symbol displays. As each new track starts to play, the track number displays.

The CD player can play the smaller 3 inch (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 can 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. There can be an increase in skipping, difficulty in finding tracks, and/or difficulty in loading and ejecting. If these problems occur, check the bottom surface of the CD. If the surface of the CD is damaged, such as cracked, broken, or scratched, the CD does not play properly. If the surface of the CD is soiled, see Care of Your CDs for more information.

If there is no apparent damage, try a known good CD.

Do not add any label to a CD, it could get caught in the CD player. If a CD is recorded on a personal computer and a description label is needed, try labeling the top of the recorded CD with a marking pen.

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.

1 FLD (Previous): This button is inactive when playing a CD.

2 FLD (Next): This button is inactive when playing a CD.

3 REV (Reverse): Press and hold this pushbutton to reverse quickly within a track. Press and hold this pushbutton for less than two seconds to reverse at 10 times the normal playing speed. Press and hold it for more than two seconds to reverse at 20 times the normal playing speed. Release this pushbutton to play the passage. ET and the elapsed time of the track displays.

4 FWD (Forward): Press and hold this pushbutton to advance quickly within a track. Press and hold this pushbutton for less than two seconds to advance at six times the normal playing speed. Press and hold it for more than two seconds to advance at 17 times the normal playing speed. Release this pushbutton to play the passage. ET and the elapsed time of the track displays.

6 RDM (Random): Press this pushbutton to hear the tracks in random, rather than sequential, order. RDM ON displays. RDM and the track number displays when each track starts to play. Press RDM again to turn off random play. RDM OFF displays.

SEEK : Press the left SEEK arrow to go to the start of the current or the previous track. Press the right SEEK arrow to go to the start of the next track. Pressing either the left or right SEEK arrow for more than two seconds scans the previous or next tracks, playing the first eight seconds of each track until track number one is reached. Release the button to stop scanning and to play the track.

TUNE : Turning the TUNE knob fast tracks reverse or advances through tracks. The track number displays for each track.

DISPL (Display): Press this knob to see how long the current track has been playing. ET and the elapsed time of the track displays. To change the default on the display, track or elapsed time, press this knob until you see the desired display, then hold the knob for two seconds. The radio produces one beep and the selected display becomes the default.

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

CD AUX (Auxiliary): Press this button to play a CD when listening to the radio. The CD symbol displays when a CD is loaded.

(Eject): Press the button to eject a CD. Eject can be activated with either the ignition or radio off. CDs can be loaded with the ignition and radio off if this button is pressed first.

Playing an MP3 CD-R Disc

Your vehicle's radio system might have the MP3 feature. If it has this feature, it is capable of playing an MP3 CD-R disc. For more information on how to play an MP3 CD-R disc, see Using an MP3 later in this section.

CD Messages

CHECK CD: If this message displays and/or 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.
    • The format of the CD might not be compatible. See Using an MP3 later in this section.
    • There could have been a problem while burning the CD.
    • The label could 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/retailer. If the radio displays an error message, write it down and provide it to your dealer/retailer when reporting the problem.