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:

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    Tire Limited Warranty
    OBTAINING WARRANTY SERVICE The tires that come as original equipment on your vehicle are warranted by their manufacturer and not Lexus. Please refer to the tire warranty statement included with th ...

    Lexus Dealership Service
    To ensure that your vehicle receives first-quality service and factoryauthorized parts, Lexus recommends having maintenance performed by an authorized Lexus dealership. To locate your nearest auth ...