2003 Buick Park Avenue Owner's Manual - Page 187

Setting the Tone (Bassnreble) BASS: Press this knob lightly so it extends. Turn the knob to increase or to decrease bass. TREB (Treble): Press this knob lightly so it extends. Turn the knob to increase or to decrease treble. If a station is weak or noisy, you may want to decrease the treble. Return these knobs to their stored positions when you're not using them. TONE: Press this button to choose bass and treble equalization settings designed for countqdwestern, jazz, talk, pop and classical stations. To return the bass and treble to the manual mode, press either TONE, BASS or TREB until MANUAL appears. See 'Setting Preset Stations" listed previously to program the auto tone feature. Adjusting the Speakers (Balance/Fade) BAL (Balance): Press this knob lightly so it extends. Turn the knob to move the sound toward the left or the right speakers. The middle position balances the sound between the speakers. FADE: Press this knob lightly so it extends. Turn the knob to move the sound toward the front or the rear speakers. The middle position balances the sound between the speakers. Return these knobs to their stored positions when you're not using them. Playing a Cassette Tape The longer side with the tape visible should face the to right. If the ignition and the radio are on, the tape can be inserted and will begin playing. If you hear nothing or hear a garbled sound, the tape may not be in squarely. Press EJECT to remove the tape and start over. While the tape is playing, use the VOLUME, SEEK, 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 an arrow to show which side of the tape is playing. 3-62