2002 Buick Century Owner's Manual - Page 160

Cassette Tape Messages If an E and a number appears on the display while trying to play a cassette tape, it could be for one of the following reasons: AM-FM Stereo with Cassette Tape Player and Automatic Tone Control (If Equipped) D E10: The tape is tight and the player can't turn the tape hubs. Remove the tape. Hold the tape with the open end down and try to turn the right hub counterclockwise with a pencil. Turn the tape over and repeat. If the hubs do not turn easily, your tape may be damaged and should not be used in the player. Try a new tape to make sure your player is working properly. D E11: The tape is broken. Try a new tape. CLN (Clean): 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. If any error occurs repeatedly or if an error can't be corrected, contact your dealer. If your radio displays an error number, write it down and provide it to your dealer when reporting the problem. Standard Radio --- MonsoonR Not Shown Your vehicle may be equipped with a Concert Sound III sound system, which includes eight speakers and an eight channel, 200 watt amplifier. 3-16