See also:

What is not covered
These warranty obligations do not apply to failures or noncompliance caused by: • The use of replacement parts not certified in accordance with aftermarket parts certification regulations. � ...

Turning the Automatic Sound Levelizer (ASL) on/off
Turning the “TUNE/SEL” knob clockwise turns on the ASL, and turning the “TUNE/SEL” knob counterclockwise turns off the ASL. ASL automatically adjusts the volume and tone quality according t ...

Initialization
Items to initialize The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is performed on the vehicle. ...