See also:

Clearing the programmed information
Individual buttons cannot be cleared, however to clear all programming, push and hold the two outside buttons and release when the indicator light begins to flash (in approximately 20 seconds) ...

FM/AM radio with compact disc (CD) changer (if so equipped)
For all operation precautions, see "Audio operation precautions" in this section. VOL/ON·OFF control: Place the ignition switch in the ACC or ON position and push the VOL/ON·OFF cont ...

Audio main operation
Head unit: The auto loudness circuit enhances the low and high frequency ranges automatically in both radio reception and CD playback. ON·OFF/Volume control: Place the ignition switch in the A ...