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:

    Hitch
    Trailer hitch assemblies have different weight capacities. Lexus recom- mends the use of Lexus hitch/bracket for your vehicle. For details, con- tact your Lexus dealer. • If you wish to install ...

    Trailer towing
    Your vehicle is designed primarily as a passenger-and-load-carrying vehicle. Towing a trailer can have an adverse impact on handling, performance, braking, durability, and fuel consumption. For you ...

    Using the air conditioning system and defogger
    Automatic air conditioning system Air outlets and fan speed are automatically adjusted according to the temperature setting. - Vehicles with a navigation system. Owners of models equipped with a ...