1997 GMC Suburban Owner's Manual - Page 172

Adjusting the Speakers BAL: Press lightly on this knob to release it from its stored position. Turn the control clockwiseto adjust sound to the right speakers and counterclockwise to adjust sound to the left speakers. Themiddle position balances the sound between the speakers. If the disc comes back out and ERR appears on the display, it could be that: You are driving on a very rough road. (The disc should play when the road gets smoother.) 0 0 The disc is upside down. It is dirty, scratched or wet. FADE: Press lightly on this knob to release it from its stored position. Turn the control clockwise to adjust the sound to the front speakers and counterclockwise for 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. It is very humid. (If so, wait about an hour and try again .) 0 The disc player is very hot. Press RECALL to make ERRgo off the display. Playing a Compact Disc PWR: Press this knob to turn the system on. (Please note that you can also turn the systemon when you insert a on.) compact disc into the player with the ignition Insert a disc partway into the slot, label side up. The player will pull it in. Wait a few seconds and the disc should play. CD and a CD symbol will also appear on the display. Anytime you are playing a CD, the letters CD will be next to the CD symbol. PREV (1): Press PREV or the SEEK left arrow to search for the previous selection. If you hold this button or press it more than once, the disc will advance further. Sound is muted in this mode. RDM (2): Press this button to play the tracks on the disc in random order. While in the RDM mode, RANDOM appears on the display. Press RDM again to return to normal play. NEXT (3): Press NEXT or the SEEK right arrow to search for the next selection. If you hold this button or press it more than once, the disc will advance further. The next track number will appear on the display. Sound is muted in this mode. 3-22