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:

    Windshield wiper de-icer
    This feature is used to prevent ice from building up on the windshield and wiper blades. Press the “CLIMATE” but- ton. On/off The windshield wiper de-icer will automatically turn off af ...

    Before towing
    The following may indicate a problem with your transmission. Contact your Lexus dealer before towing. • The engine is running but the vehicle will not move. • The vehicle makes an abnormal sou ...

    Hands-free system (for cellular phone)
    The hands-free system is a function that allows you to use your cellu- lar phone without touching it. This system supports Bluetooth® cellular phones. Bluetooth® is a wireless data system that ...