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:

    Display items
    Driving range Displays the estimated maximum distance that can be driven with the quantity of fuel remaining • This distance is computed based on your average fuel consump- tion. As a result, ...

    Tire inflation pressure
    - Tire inflation pressure The recommended cold tire inflation pressure and tire size is displayed on the tire and loading information label - Inspection and adjustment procedure 1 Tire valve ...

    Rear differential
    *: Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the factory. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of matching qualit ...