2002 Buick Rendezvous Owner's Manual - Page 240

Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and left speakers, push and release AUDIO until BAL appears on the display. Then turn the AUDIO knob clockwise to move the sound to the right speakers or counterclockwise to move the sound to the left speakers. R and a number will appear on the display when the sound is balanced toward the right speakers. L and a number will appear on the display when the sound is balanced toward the left speakers. L and a zero will appear on the display when the sound is balanced between the speakers. Stop turning the AUDIO knob when you find the speaker balance you want or when the maximum or minimum level is reached. To adjust the fade between the front and rear speakers, push and release AUDIO until FAD appears on the display. Then turn the AUDIO knob clockwise to move the sound to the front speakers or counterclockwise to move the sound to the rear speakers. F and a number will appear on the display when the sound is balanced toward the front speakers. R and a number will appear on the display when the sound is balanced toward the rear speakers. F and a zero will appear on the display when the sound is balanced between the speakers. Stop turning the AUDIO knob when you find the speaker balance you want or when the maximum or minimum level is reached. To adjust balance or fade to the middle position, select the desired speaker control. Then push and hold AUDIO for more than two seconds until you hear a beep. L and a zero or F and a zero will appear on the display. To adjust all of the tone controls and 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. CEN will appear on the display. 3-21