GM Service Manual Online
For 1990-2009 cars only

Object Number: 806979  Size: B2

The radio has a blinking red light that is used as a theft-deterrent feature. The light will blink whenever the ignition is off.

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 will only work when the information is available. In rare cases, a radio station may broadcast incorrect information that will cause 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 will appear on the display instead of the frequency. RDS stations may also provide the time of day, a program type (PTY) for current programming, and 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. XM™ offers 100 coast to coast channels including music, news, sports, talk, and children's programming. XM™ provides digital quality audio and text information that includes song title and artist name. A service fee is required in order to receive the XM™ service. For more information, contact XM™ 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.

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

RCL (Recall): Push this knob to switch the display between the radio station frequency and the time. Push this knob to display the time with the ignition off. For RDS, push the RCL knob to change what appears on the display while using RDS. The display options are station, RDS station frequency, PTY, and the name of the program (if available). For XM™ (if equipped), push the RCL 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, push the RCL knob until you see the display you want, then hold the knob until the display flashes. The selected display will now be the default.

SCV (Speed-Compensated Volume): This button is inoperable on this radio.

Finding a Station

BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display will show the selection.

TUNE: Turn this knob to select radio stations.

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

SCAN : Press and hold either SCAN arrow for two seconds until SCAN appears on the display and you hear a beep. The radio will go to a station, play for a few seconds, then go on to the next station. Press either SCAN arrow again to stop scanning. To scan preset stations, press and hold either SCAN arrow for more than four seconds until PSCAN and the preset number appear on the display. You will hear a double beep. The radio will go to the first preset station stored on your pushbuttons, play for a few seconds, then go on to the next preset station. Press either SCAN arrow again to stop scanning presets. The radio will only scan stations with a strong signal that are in the selected band.

Setting Preset Stations

Up to 30 stations (six FM1, six FM2, and six AM, six XM1 and six XM2 (if equipped)), 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, AM, or XM1 or XM2.
  3. Tune in the desired station.
  4. Press EQ to select the equalization.
  5. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever that numbered pushbutton is pressed, the station that was set will return and the equalization that was selected will be stored for that pushbutton.
  6. Repeat the steps for each pushbutton.

Setting the Tone (Bass/Treble)

TONE: Press and release this button until BASS, MID, or TREB appears on the display. The SELECT LED indicator will light to show that the tone control can be adjusted. Turn the SELECT knob to increase or to decrease. If a station is weak or noisy, decrease the treble. To return all of the tone controls to the middle position press and hold the TONE button until FLAT appears on the display.

EQ (Equalizer): Press this button to select customized equalization settings.

Up to six customized equalization settings, can be programmed, by performing the following steps:

  1. Turn the radio on.
  2. Use the TONE button and the SELECT knob to create the equalization.
  3. Press and hold the EQ button for two seconds. SELECT EQ # will appear on the display and the EQ symbol will flash.
  4. Press EQ or turn the SELECT knob to select the EQ number.
  5. Press and hold the EQ button or push the SELECT knob to store the equalization setting and the number. EQ SAVED will appear on the display and you will hear a beep.
  6. Repeat the steps for the other EQ settings and numbers.

EQ 5 has been programmed at the factory for use with talk radio, but it can be set to a different tone.

Adjusting the Speakers (Balance/Fade)

BAL (Balance): To adjust the balance between the right and the left speakers, press and release this button until BAL appears on the display. The SELECT LED indicator will light to show that the speakers can be adjusted. Turn the SELECT knob to move the sound toward the right or the left speakers.

FADE: To adjust the fade between the front and the rear speakers, press and release this button until FADE appears on the display. The SELECT LED indicator will light to show that the speakers can be adjusted. Turn the SELECT knob to move the sound toward the front or the rear speakers. To return all speaker settings to the middle position, press and hold the BAL FADE button for two seconds.

Finding a Program Type (PTY) Station (RDS and XM™)

To select and find a desired PTY perform the following:

  1. Press PROG TYPE to activate program type select mode. The PTY symbol will appear on the display.
  2. Turn the SELECT knob to select a PTY.
  3. Once the desired PTY is displayed, press either SEEK arrow to select the PTY and take you to the PTY's first station.
  4. To go to another station within that PTY and the PTY is displayed, press either SEEK arrow once. If the PTY is not displayed, press either SEEK arrow twice to display the PTY and then to go to another station.
  5. Press PROG TYPE 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 will search for stations with the selected PTY and traffic announcements.

SCAN: Scan the stations within a PTY by performing the following:

  1. Press PROG TYPE to activate program type select mode. The PTY symbol will appear on the display.
  2. Turn the SELECT knob to select a PTY.
  3. Once the desired PTY is displayed, press and hold either SCAN arrow, and the radio will begin scanning the stations in the PTY.
  4. Press either SCAN arrow to stop at a station.

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

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 will appear on the display. The radio may switch to stations with a stronger frequency. To turn alternate frequency off, press and hold BAND again for two seconds. AF OFF will appear on the display. The radio will not switch to other stations. This function does not apply for XM™ Satellite Radio Service.

Setting Preset PTYs (RDS Only)

These pushbuttons have factory PTY presets. Up to 12 PTYs (six FM1 and six FM2), can be programmed on the six numbered pushbuttons, by performing the following steps:

  1. Press BAND to select FM1 or FM2.
  2. Press PROG TYPE to activate program type select mode. The PTY symbol will appear on the display.
  3. Turn the SELECT knob to select a PTY.
  4. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever that numbered pushbutton is pressed, the PTY that was set will return, if program type select mode is on.
  5. Repeat the steps for each pushbutton.

RDS Messages

ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! will appear on the display. You will hear the announcement, even if the volume is low or a CD is playing. If a CD is playing, play will stop during the announcement. Alert announcements cannot be turned off. ALERT! will not be 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, INFO will appear 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 will appear every three seconds. To scroll through the message, press and release the INFO button. A new group of words will appear on the display after every press of the button. Once the complete message has been displayed, INFO will disappear from the display until another new message is received. The last message can be displayed by pressing the INFO button. You can view the last message until a new message is received or a different station is tuned to.

TRAF (Traffic): If TRAF appears on the display, the tuned station broadcasts traffic announcements. Press this button to receive the traffic announcement from the station and brackets will be displayed around TRAF. When a traffic announcement comes on the tuned radio station you will hear it. If the station does not broadcast traffic announcements, press the TRAF button and the radio will seek to a station that does. When a station that broadcasts traffic announcements is found, the radio will stop seeking and brackets will be displayed around TRAF. If no station is found that broadcasts traffic announcements, NO TRAFFIC will appear on the display. If the brackets are on the display and TRAF is not, press the TRAF button to remove the brackets or use the TUNE knob or the SEEK arrows to go to a station that broadcasts traffic announcements. If no station is found that broadcasts traffic announcements, NO TRAFFIC will appear on the display. The radio will play the traffic announcement if the volume is low. The radio will interrupt the play of a CD if the last tuned station broadcasts traffic announcements and the brackets are displayed. This function does not apply to XM™ Satellite Radio Service.

Radio Messages

CALIBRATE: The audio system has been calibrated for your vehicle from the factory. If CALIBRATE appears on the display, it means that the radio has not been configured properly for the vehicle and must be returned to the dealer for service.

LOCKED: This message is displayed when the THEFTLOCK® system has locked up. Take the vehicle to the dealer for service.

If any error occurs repeatedly or if an error cannot be corrected, contact your dealer.

XM™ Radio Messages

Radio Display Message

Condition

Action Required

XL (Explicit Language Channels)

XL on the radio display, after the channel name, indicates content with explicit language.

These channels, or any others, can be blocked at a customer's request, by calling 1-800-852-XMXM (9696).

Updating

Updating encryption code

The encryption code in the receiver is being updated, and no action is required. This process should take no longer than 30 seconds.

No Signal

Loss of signal

The system is functioning correctly, but the vehicle is in a location that is blocking the XM signal. When you move into an open area, the signal should return.

Loading XM

Acquiring channel audio (after 4 second delay)

The audio system is acquiring and processing audio and text data. No action is needed. This message should disappear shortly.

CH Off Air

Channel not in service

This channel is not currently in service. Tune to another channel.

CH Unavail

Channel no longer available

This previously assigned channel is no longer assigned. Tune to another station. If this station was one of the presets, choose another station for that preset button.

No Info

Artist Name/Feature not available

No artist information is available at this time on this channel. The system is working properly.

No Info

Song/Program Title not available

No song title information is available at this time on this channel. The system is working properly.

No Info

Category Name not available

No category information is available at this time on this channel. The system is working properly.

No Info

No Text/Informational message available

No text or informational messages are available at this time on this channel. The system is working properly.

Not Found

No channel available for the chosen category

There are no channels available for the selected category. The system is working properly.

XM Locked

Theft lock active

The XM receiver in the vehicle may have previously been in another vehicle. For security purposes, XM receivers cannot be swapped between vehicles. If this message is received, after having your vehicle serviced, check with your dealer.

Radio ID

Radio ID label (channel 0)

If tuned to channel 0, this message will alternate with the XM Radio 8 digit radio ID label. This label is needed to activate the service.

Unknown

Radio ID not known (should only be if hardware failure)

If this message is received when tuned to channel 0, there may be a receiver fault. Consult with your dealer.

Chk XMRcvr

Hardware failure

If this message does not clear within a short period of time, the receiver may have a fault. Consult with your dealer.

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. If you want to insert a CD when the ignition is off, first press the eject symbol or push the RCL knob. If you insert a CD with the radio off and the ignition on, it will start to play.

If the ignition or radio is turned off with a CD in the player, it will stay in the player. When the ignition or radio is turned on, the CD will start playing where it stopped, if it was the last selected audio source.

When the CD is inserted, the CD symbol will appear on the display. As each new track starts to play, the track number will appear on the display.

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 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. There may be an increase in skipping, difficulty in finding 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.

If an error appears on the display, see "CD Messages" later in this section.

1 (Forward): Press and hold this pushbutton to advance quickly within a track. You will hear sound at a reduced volume. Release the pushbutton to play the passage. The elapsed time of the track will appear on the display.

RDM 3 (Random): Press this pushbutton to hear the tracks in random, rather than sequential, order. RDM and the track number will appear on the display. Press RDM again to turn off random play.

4 (Reverse): Press and hold this pushbutton to reverse quickly within a track. You will hear sound at a reduced volume. Release the pushbutton to play the passage. The elapsed time of the track will appear on the display.

EQ (Equalizer): Press EQ to select an equalization setting while playing a CD. The equalization will be set whenever a CD is played. See "EQ" listed previously for more information. If you select an EQ setting for your CD, it will be activated each time you play a CD.

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

SCAN : Press and hold either arrow for more than two seconds until SCAN and the track number appear on the display and you hear a beep. The CD will go to the next track, play for a few seconds, then go on to the next track. Press either arrow again to stop scanning.

RCL (Recall): Push this knob to see how long the current track has been playing. To change the default on the display, track and elapsed time, push the knob until you see the display you want, then hold the knob until the display flashes. The selected display will now be the default. While elapsed time is showing, CD TIME will appear on the display.

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. The CD symbol will appear on the display when a CD is loaded.

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

CD Messages

CHECK CD: If this message appears on the display 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.
    • 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 the radio displays an error message, write it down and provide it to your dealer when reporting the problem.