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 to the noise level as you drive your vehicle.

    See also:

    Setting speed dials
    Select “Set Speed Dial (Speed Dial)” using a voice command or the “TUNE/SEL” knob. Pattern A Select the data to be registered as a speed dial by either of the following methods, and se ...

    Using the CD player
    ...

    Initializing the system
    Select “Initialize” and then “Confirm” using the “TUNE/SEL” knob. Select “Confirm” again using the “TUNE/SEL” knob.  - Initialization • The following data in the sy ...