See also:

Switching the screens
Any one of the screen configurations can be selected. 1. Touch this button to display the following screen. 2. To select the desired screen configuration, touch one of the following buttons. ...

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 t ...

If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Lexus dealer as soon as possible.  - Visible symptoms • Fluid leaks under the veh ...