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:

    California Emission Control Warranty
    Vehicles equipped with a California Certified Emission Control System that are registered and operated in California or any state that adopts California emission warranty provisions are covered by ...

    General Warranty Provisions
    Who Is the Warrantor The warrantor for these limited warranties is Lexus, a division of Toyota Motor Sales, U.S.A., Inc., 19001 South Western Avenue, Torrance, California 90509-2991, a California ...

    If your vehicle has to be stopped in an emergency
    Only in an emergency, such as if it becomes impossible to stop the vehicle in the normal way, stop the vehicle using the following procedure: Steadily step on the brake pedal with both feet and ...