1997 Buick Park Avenue Owner's Manual - Page 177

CLN: If this message appears on the display, the cassette tape player needs to be cleaned. It will still play tapes, but you should clean it as soon as possible to prevent damage to the tapes and player. See "Care of Your Cassette Tape Player" in the Index. After you clean the player, press and hold EJECT for five seconds to reset the CLN indicator. The radio will display --- to show the indicator was reset. Your cassette tape player automatically reduces background noise from tapes encoded with Dolby NR. You may turn Dolby off by pressing the number six preset. Dolby Noise Reduction is manufactured under a license from Dolby Laboratories Licensing Corporation. Dolby and thedouble-D symbol are trademarks of Dolby Laboratories Licensing Corporation. If you're driving on a very rough road or if it's very hot, the disc may not play and an error code may appear on the display. When things get back to normal, the disc should play. If the disccomes out, it could be that: E20: The disc is upside down. E20: It is dirty, scratched or wet. E20: There's too much moisture in the air. (Wait about an hour and try again.) If any error occurs repeatedly or if an error can't be corrected, please contact your dealer. If your radio displays an error number, write it down and provide it to your dealer when reporting the problem. Playing a Compact Disc Insert a disc partway into the slot, label side up. The player will pull it in. The disc should begin playing. If you want to insert a CD while the ignition or the radio is off, first press EJECT or RECALL. PREV (1): Press this button to go to the start of the current track, if more than eight seconds have played. If you hold the button or press it more than once, the player will continue moving back through the disc. The sound will mute while seeking. NEXT (2): Press this button to go to the next track. If you hold the button or press it more than once, the player will continue moving forward through the disc. The sound will mute while seeking.