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:

    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 ...

    XM NavTraffic
    The subscription−based XM NavTraffic service allows the navigation system to display traffic information on the map. See page155 for subscription information. The following operations can be ...

    Destination search by “Intersection & Freeway”
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