2012 GMC Acadia Owner's Manual - Page 186

7-6 Infotainment System To quickly adjust all speaker and tone controls to the middle position, press f for more than two seconds until a beep sounds. Radios with CD and DVD fade differently depending on the DVD Media type: . Adjusting the Speakers (Balance/Fade) BAL/FADE (Balance/Fade): To adjust the balance or fade: 1. Press f until the speaker control tabs display. 2. Continue pressing f to highlight the tab, or press the softkey under the tab. 3. To adjust the highlighted setting, do one of the following until the levels are obtained: . If the Rear Seat Audio (RSA) is turned on, the radio disables FADE and mutes the rear speakers. Radio Messages Calibration Error: The audio system has been calibrated for the vehicle from the factory. If Calibration Error displays, it means that the radio has not been configured properly for the vehicle and it must be returned to your dealer for service. Locked: This message displays when the TheftLock® system has locked up the radio. Take the vehicle to your dealer for service. If any error occurs repeatedly or if an error cannot be corrected, contact your dealer. Turn f clockwise or counterclockwise. Press With DVD‐A 5.1 Surround media, the left front and right front speakers fade rearward, leaving the center front speakers unaffected until the last fade step, then all front speakers mute. With DVD‐V 5.1 Surround media, surround sound is maintained until Step 4 of the Fade control is reached while fading rearward. At that point the audio system output changes to Stereo to prevent the loss of Center channel output when the full rearward fade position is reached. . . \ FWD, or s REV. To quickly adjust balance or fade to the middle position, press the softkey under the BAL or FADE tab for more than two seconds. A beep sounds and the level adjusts to the middle position.