2012 Chevrolet Impala Owner's Manual - Page 157

Infotainment System EQ (Equalization): Press this button to choose bass and treble equalization settings designed for different types of music. 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. 7-5 Adjusting the Speakers (Balance/Fade) Radio with CD (MP3) BAL/FADE (Balance/Fade): To adjust the balance or fade: 1. Press the f knob until the speaker control tabs display. 2. Highlight the desired speaker control tab by doing one of the following: . . To quickly adjust all speaker and tone controls to the middle position, press the f knob for more than two seconds. If the Rear Seat Audio (RSA) is turned on, the radio disables FADE and mutes the rear speakers. Radio Messages Calibration Error: Displays if the radio is no longer calibrated properly for the vehicle. The vehicle must be returned to your dealer for service. Loc or Locked: Displays when the TheftLock® system has activated. Take the vehicle to your dealer for service. If any error occurs repeatedly or if an error cannot be corrected, contact your dealer. Adjusting the Speakers (Balance/Fade) Radio with CD To adjust the balance or fade: 1. Press the ` button or press the f knob until the speaker control label displays. 2. To adjust the setting, do one of the following: ... Press the f knob. Press the softkey under the desired tab. 3. Adjust the setting by doing one of the following: . Turn the f knob clockwise or counterclockwise. . . Turn the Press f knob. ¨ SEEK or © SEEK. Press \ FWD or s REV. Press ¨ SEEK or © SEEK. Press \ FWD or s REV.