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:

    Disabling pre-collision braking
    1.Pre-collision braking disabled 2.Pre-collision braking enabled The “PCS” warning light turns on when pre-collision braking is dis- abled. ...

    If your vehicle fails an emissions test
    If your vehicle fails an EPA-approved emissions test, you may make a claim under the Emission Performance Warranty. To do so, take your vehicle to an authorized Lexus dealership and present a cop ...

    Driving position memory (driver’s seat)
    Your preferred driving position (the position of the driver’s seat, steering wheel and angle of the outside rear view mirrors) can be memorized and recalled with the touch of a button. It is als ...