2008 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 272

To quickly adjust bass, midrange, or treble to the middle position, press the pushbutton positioned under the BASS, MID, or TREB label for more than two seconds. A beep sounds and the level adjusts to the middle position. To quickly adjust all tone and speaker controls to the middle position, press the f knob for more than two seconds until a beep sounds. EQ (Equalization): Press this button to choose bass and treble equalization settings designed for different types of music. The choices are pop, rock, country, talk, jazz, and classical. Selecting MANUAL or changing bass or treble, returns the EQ to the manual bass and treble settings. Unique EQ settings can be saved for each source. If the radio has a Bose® audio system, the EQ settings are either MANUAL or TALK. Adjusting the Speakers (Balance/Fade) (AM-FM Radio) ` (Balance/Fade): To adjust the balance or fade, press this button or the tune knob until the desired speaker control label displays. Turn the tune knob clockwise or counterclockwise to adjust the setting. The setting can also be adjusted by pressing the seek arrows. Adjusting the Speakers (Balance/Fade) BAL/FADE (Balance/Fade): To adjust balance or fade, press the f knob until the speaker control labels display. Continue pressing to highlight the desired label, or press the pushbutton positioned under the desired label. Turn the f knob clockwise or counterclockwise to adjust the highlighted setting, or adjust the highlighted setting by pressing either SEEK arrow, \FWD, or sREV button until the desired levels are obtained. To quickly adjust balance or fade to the middle position, press the pushbutton positioned under the BAL or FADE label for more than two seconds. A beep sounds and the level adjusts to the middle position. 3-94