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:

    Light bulbs
    You may replace the following bulbs yourself. The difficulty level of replacement varies depending on the bulb. If necessary bulb replacement seems difficult to perform, contact your Lexus dealer. ...

    Outside rear view mirrors
    Mirror angle can be adjusted using the switch. To select a mirror to adjust, press the switch. 1. Left 2. Right To adjust the mirror, press the switch. 1. Up 2. Right 3. Down 4. Left Fol ...

    Replacing light bulbs
     - Headlight low beams (vehicles with halogen bulbs) Turn the cover counterclockwise and remove it. Turn the bulb base counterclock- wise. Unplug the connector while push- ing the lock rel ...