2003 Buick LeSabre Owner's Manual - Page 189

Setting the Tone (BassTTreble) AUDIO: Push and release AUDIO until BASS, MID or TREBLE appears on the display. Then turn the AUDIO knob to increase or to decrease. If a station is weak or noisy, you may want to decrease the treble. To adjust bass, midrange or treble to the middle position, select BASS, MID or TREBLE. Then push and hold AUDIO for more than two seconds until you hear a beep. BASS and a zero, MID and a zero or TREBLE and a zero will appear on the display. To adjust both tone controls and both speaker controls to the middle position, end out of audio mode by pushing the AUDIO knob until the display goes blank. Then push and hold AUDIO for more than two seconds until you hear a beep. ALL CENTERED will appear on the display. EQ (Equalizer): Press this button to choose bass, mid and treble equalization settings designed for different program types. Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and the left speakers, push and release AUDIO until BAL appears on the display. Then turn the AUDIO knob to move the sound toward the right or the speakers. A bar graph left with indicators will show howthe sound is balanced. To adjust thefade between the front and the rear speakers, push and release AUDIO until FADE appears on the display. Then turn the AUDIO knob to move the sound toward the front orthe rear speakers.A bar graph with indicators will show howthe sound is balanced. To adjust balance or fade to the middle position, select BAL or FADE.Then push and hold AUDIO for more than two secondsuntil you hear a beep. The indicator will be centered on the display. To adjust both tone controls and both speaker controls to the middle position, end out of audio mode by pushing the AUDIO knob until the display goes blank. Then press and hold AUDIO for more than two seconds until you hear a beep. ALL CENTERED will appear on the display. EQ (Equalizer): Press this button to choose bass, mid and treble equalization settings designed for different program types.