GM Service Manual Online
For 1990-2009 cars only

Object Number: 159654  Size: SH
    • DSPL (1) -- Pressing this button will display either the time of day or the current station being played.
    • Preset Stations (2) -- The six preset buttons can be preset for up to 18 stations, 6 each of the AM, FM1, and FM2 bands. Preset the stations as follows:
       - Select the desired band using the BAND button.
       - Tune to the desired station.
       - Press and hold one of the six preset buttons until a chime sounds. (The display channel number and the audio will return.)
       - Holding the button for longer than two seconds will activate the fast seek mode.
    • FADE (3)
       - Lightly press the knob in order to extend outward.
       - Turn the knob clockwise or counterclockwise in order to move the sound to the RH or LH speakers.
       - The middle knob position is a detent and balances the speakers.
    • BAL (4)
       - Lightly press the knob in order to extend outward.
       - Turn the knob clockwise or counterclockwise in order to move the sound to the RH or LH speakers.
       - The middle knob position is a detent and balances the speakers.
    • SCAN (5)
       - Press and hold this button for 2-3 seconds or until the display shows PSCAN.
       - Each of the presets will be scanned for a few seconds and will continue until the button is pressed again.
    • TREBLE (6)
       - Lightly press the knob in order to extend outward.
       - Rotate the knob clockwise or counterclockwise in order to increase or decrease the treble response of the music.
    • TUNE/SEEK (7)
       - Press this button until a chime is heard in order to tune to the next higher or lower frequency.
       - If the button is held for more than two seconds after the chime, the radio will go into the fast tune mode.
       - Release the button when the desired station is reached.
    • BASS (8)
       - Lightly press the knob in order to extend outward.
       - Rotate the knob clockwise or counterclockwise in order to increase or decrease the bass response of the music.
    • BAND (9)
       - Press up for access to the FM1 and FM2 bands.
       - Press down for access to the AM band.
    • PWR/VOL Knob (10)
       - Press the volume knob in order to turn the radio ON or OFF.
       - Turn the knob clockwise/counterclockwise in order to turn the volume up or down. The knob is designed to turn infinitely.
    • SOURCE 11 -- Press this button in order to toggle between the radio, cassette, and CD functions.
    • HR/MIN (Clock)
       - Press DSPL until the clock is displayed.
       - Press and hold HR or MIN until the time display begins to change.
       - Release the button when you reach the correct time.
       - There is a two second delay before the clock goes into the time-set mode.