2002 Oldsmobile Silhouette Owner's Manual - Page 226

To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. The radio will produce one beep and display ALL with the level display in the middle position. When you use this knob, the radio's AUTO TONE setting will return to manual. AUTO (Automatic) TONE: This feature allows you to choose preset bass and treble equalization settings designed for country/western, talk, pop, rock and classical stations. Each time you press the AUTO TONE button, this feature will change to one of these program types. To return the bass and treble to the manual mode, press and release the AUDIO knob. See "Setting Preset Stations" listed previously to program the auto tone feature. Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and left speakers, push and release the AUDIO knob until BAL appears on the display. Turn the knob clockwise to move the sound to the right speakers and counterclockwise to move the sound to the left speakers. To adjust the fade between the front and rear speakers, push and release the AUDIO knob until FADE appears on the display. Turn the knob clockwise to move the sound to the front speakers and counterclockwise to move the sound to the rear speakers. The middle position balances the sound between the speakers. To adjust the balance or fade to the middle position, push the AUDIO knob twice, then hold it until you hear one beep. The balance or fade will be adjusted to the middle position and the display will show the speaker balance. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. The radio will produce one beep and display ALL with the level display in the middle position. 3-23