2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 317

Setting the Tone (Bass/Treble) (AM-FM Radio) Bass/Treble: To adjust the bass or treble, press the tune knob or the EQ button until the desired tone control tab displays. Turn the tune knob clockwise or counterclockwise to increase or decrease the setting. The display shows the current bass or treble level. If a station's frequency is weak, or if there is static, decrease the treble. 3. Adjust the setting by doing one of the following: ... f knob clockwise or counterclockwise. Press the ¨ SEEK, or © SEEK button. Press the \ FWD, or s REV button. Turn the If a station's frequency is weak or if there is static, decrease the treble. To quickly adjust bass, midrange, or treble to the middle position, press the softkey positioned under the BASS, MID, or TREB tab 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. Setting the Tone (Bass/Midrange/Treble) (All Except AM-FM Radio) BASS/MID/TREB (Bass, Midrange, or Treble): To adjust bass, midrange, or treble: 1. Press the display. f knob until the tone control tabs 2. Highlight the desired tone control tab by doing one of the following: . . Pressing the f knob. Press the softkey under the desired tab. 4-93