1997 Cadillac Seville Owner's Manual - Page 171

BASS: Press this knob lightly so it extends. Turn the knob clockwise to increase and counterclockwise to decrease bass. With the radio on, insert a cassette tape. The tape will begin playing as soon as it is inserted. While the tape is playing, use the VOL, FADE, BAL, BASS and TREB controls just as you do for the radio. Other controls may have different functions when a tape is inserted. The display will show TAPE with an arrow to indicatewhich side of the tape is playing. PLAY will appear on the display temporarily when a tape is playing. The display will then revert back to showing the time. TREB: Press this knob lightly so it extends. Turn the knob Clockwise to increase and counterclockwise to decrease treble.If a station is weak or noisy, you may want to decreasethe treble. Push these knobs back into their stored positions when you're not using them. BAL: Press this knob lightly so it extends. Turn the knob clockwise to adjust sound to the right speakers and counterclockwise for the left speakers. The middle position balances the sound between the speakers. If an error occurs while trying to play a cassette tape, it could be that: 0 FADE: Press this knob lightly so it extends. Turn the knob clockwise to adjust the sound to the front speakers and counterclockwise forthe rear speakers. Themiddle position balancesthe sound between the speakers. Push these knobs back into their stored positions when you're not using them. The cassette tape is tight and the cassette player cannot turn the hubs of the tape. Hold the cassette tape with the open end down and try turning the right hub counterclockwise with a pencil. Flip the tape over and repeat. If the hubs do not turn easily, your cassette tape may be damaged and should not be used in the player. Try a new tape to be sure your player is working properly. The cassette tape is broken. (Check to see if your tape is broken. Try a new tape.)