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:

    Automatic Transmission
    ■Shift positions P Park* R Reverse N Neutral (drive not engaged) D Drive S “S” mode *: The engine can only be started in “P”. The vehicle can only be shifted out of “P” ...

    The Smart Key
    Your Lexus vehicle was made with two “Smart Keys” and an aluminum key-number plate. Each Smart Key includes an electronic main key that has an integrated mechanical back-up key. The electroni ...

    Maintenance
    You are responsible for performance of the required maintenance indicated in the Owner’s Manual and this guide. Lexus will not deny a warranty claim solely because you do not have records to ...