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:

    Replacement parts
    Warranty coverage is not dependent upon the use of any particular brand of replacement parts. However, Lexus recommends using only Genuine Lexus Parts when you need to replace a part on your vehi ...

    Battery
    Check the battery as follows:  - Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. 1. Terminals 2. H ...

    Repeat play
    Press the 2 (RPT) button. To cancel, press the 2 (RPT) button again. ...