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:

    Pre-collision seat belts (front seats of vehicles with pre-collision system)
    If the pre-collision sensor detects that a collision is unavoidable, the pre- collision system will retract the seat belt, thus enhancing the effectiveness of the seat belt pretensioner in a crash ...

    Lexus Insider
    Lexus Insider is an optional service that can send audio messages, or articles, to participating owners’ vehicles via the navigation system. Potential Lexus Insider subjects might include, for e ...

    Taking out the spare tire
    Assembling the jack handle. Remove the jack handle extension bar from the tool box and assemble by following these steps. 1. Loosen the bolt and the screw using either the jack handle end or a sc ...