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:

    Vehicle data recordings
    Your Lexus is equipped with several sophisticated computers that will record cer- tain data, such as: • Engine speed • Accelerator status • Brake status • Vehicle speed • Shift positi ...

    Maintenance requirements
    To ensure safe and economical driving, day-to-day care and regular maintenance is essential. It is the owner’s responsibility to perform regular checks. Lexus recommends the following maintenance. ...

    Using the radio
    Select radio mode on the source screen to display the control screen. 1. Selecting a preset station 2. Tuning the station Selecting a preset station Push “ ” or “ ” of “DISC·CH ...