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:

    Using the video mode
    Using the port Open the cover. The A/V input port is composed of 3 input ports. Yellow: Video input port White: Left channel audio input port Red: Right channel audio input port Selecti ...

    Disabling the height control
    When the height control OFF switch is pressed with the vehicle stopped, the vehicle height is fixed at the current height. This status is memorized in the sys- tem even after the engine is stoppe ...

    Have the vehicle inspected by your Lexus dealer immediately.
    Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident. Have the vehicle inspected by your Lexus dealer immediately. ...