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:

    Personal/interior light main switch
    1. OFF The personal/Interior lights and interior light can be individually turned on or off. 2. Door position The personal/interior lights come on when a door is opened. They turn off when th ...

    Overview buttons and guidance screen
    ...

    Owner’s warranty responsibilities
    You are responsible for performance of the required maintenance indicated in the Owner’s Manual and this guide. Lexus recommends that you retain all receipts covering maintenance on your vehi ...