1999 Buick Park Avenue Owner's Manual - Page 171

yellowblue Setting the Tone BASS: Press this knob lightly so it extends. Turn the knob to increase or decrease bass. TREB: Press this knob lightly so it extends. Turn the knob to increase or decrease treble. If a station is weak or noisy, you may want to decrease the treble. Push these knobs back into their stored positions when you're not using them. TONE: This feature allows you to choose preset bass and treble equalization settings designed for classical, pop, rock, jazz, talk and country/western stations. CLASS will appear on the display when you first press TONE. Each time you press it, another setting will appear on the display. Press it again after C & W appears and MANUAL will appear. Tone control will return to the BASS and TREB knobs. Also, if you use the BASS and TREB knobs, control will return to them and MANUAL will appear. Adjusting the Speakers BAL: Press this knob lightly so it extends. Turn this knob to move the sound to the left or right speakers. The middle position balances the sound between the speakers. FADE: Press this knob lightly so it extends. Turn this knob to move the sound to the front or 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. 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. 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 disc comes out, it could be that: D E20: The disc is upside down. D E20: It is dirty, scratched or wet. D 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. 3-19