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:

    Vehicle Service Agreements
    If you plan to keep your vehicle for several years or if you accumulate mileage quickly, you may want to purchase a Lexus vehicle service agreement. These agreements cover the cost of specific r ...

    Perchlorate Material
    Special handling may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate. Your vehicle has components that may contain perchlorate. These components may include airbag, seat belt pretensioners, a ...

    Selecting trailer ball
    Use the correct trailer ball for your application. 1. Trailer ball load rating Matches or exceeds the gross trailer weight rating of the trailer. 2. Ball diameter Matches the size of the trailer ...