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:

    Command list
    The system has a voice recognition command list. You can operate the voice recognition system by saying any command from the displayed command list. 1. Push the talk switch. 2. Say “Command li ...

    If your vehicle needs to be towed
    If towing is necessary, we recommend having your vehicle towed by your Lexus dealer or a commercial towing service, using a lift-type truck or a flat bed truck. Use a safety chain system for all ...

    Erasing the entire HomeLink® memory (all three programs)
    Press and hold the 2 outside but- tons for 10 seconds until the indi- cator light flashes. If you sell your vehicle, be sure to erase the programs stored in the HomeLink® memory.  - Befo ...