2001 Chevrolet Express Van Owner's Manual - Page 157
2001 Chevrolet Express Van Manual
Page 157 highlights
Adjusting the Speakers BALANCE: Press and release AUDIO until BAL appears on the display. Then press and hold the up arrow to move the sound to the right speakers or the down arrow to move the sound to the left speakers. "R" and a number will appear on the display when the sound is balanced toward the right speakers. "L" and a number will appear on the display when the sound is balanced toward the left speakers. L and a zero will appear on the display when the the sound is balanced between the speakers. Release the up or down arrow when you find the speaker balance you want or when the maximum or minimum level is reached. FADE: Press and release AUDIO until FAD appears on the display. Then press and hold the up arrow to move the sound to the front speakers or the down arrow to move the sound to the rear speakers. "F" and a number will appear on the display when the sound is balanced toward the front speakers. "R" and a number will appear on the display when the sound is balanced toward the rear speakers. F and a zero will appear on the display when the the sound is balanced between the speakers. Release the up or down arrow when you find the speaker balance you want or when the maximum or minimum level is reached. To set BALANCE or FADE to the middle position, select the desired speaker control. Then press and hold AUDIO for more than two seconds until you hear a beep. L and a zero or F and a zero will appear on the display. To set all of the tone controls and speaker controls to the middle position, end out of audio mode. Then press and hold AUDIO for more than two seconds until you hear a beep. CEN will appear on the display. Radio Calibration Your audio system has been calibrated for your vehicle from the factory. If CAL appears on the display it means that your radio has not been configured properly for your vehicle and must be returned to the dealership for service. LOC: This message is displayed when the THEFTLOCKR system has locked up. Your vehicle must be returned to the dealership for service. 3-13