2002 Buick Rendezvous Owner's Manual - Page 249

To adjust bass, midrange or treble to the middle position, select BASS, MID or TREB and push and hold the AUDIO knob. The radio will produce one beep and adjust the display level to zero. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is active. The radio will produce one beep and CENTERED will appear on the display. AUTO EQ (Automatic Equalization): This feature allows you to choose preset bass, midrange and treble equalization settings designed for country, jazz, talk, pop, rock and classical stations. The setting last chosen will appear on the display when you first press AUTO EQ. Each time you press this button, another setting will appear on the display and AUTO EQ will switch to one of the preset settings previously listed. To return to the manual mode (CUSTOM), press the AUTO EQ button until CUSTOM appears on the display. Then you will be able to manually adjust the bass, midrange and treble using the AUDIO knob. Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and left speakers, push the AUDIO knob until BAL appears on the display. Turn the knob to adjust the sound to the left or right speakers. The middle position balances the sound between the speakers. To adjust the fade between the front and rear speakers, push and hold the AUDIO knob until FAD appears on the display. Turn the knob to adjust the sound to the front or rear speakers. The middle position balances the sound between the speakers. To adjust the balance and fade to the middle position, select balance or fade and push and hold the AUDIO knob. The radio will beep once and will adjust the display level to the middle position. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when tone or speaker controls are not active. The radio will produce one beep and CENTERED will appear on the display. 3-30