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:
Initialization
Items to initialize
The following items must be initialized for normal system operation in
cases such as after the battery is reconnected, or maintenance is per-
formed on the vehicle.
...
How does the arbitration process work?
When NCDS receives your request, it will be forwarded to the Lexus area office
for response.
At the request of either party or the arbitrators, NCDS may schedule a technical
inspection. This may ...
Vehicle Service Agreements
If you plan to keep your vehicle for several years or if you accumulate
mileage quickly, you may want to purchase
a Lexus vehicle service agreement.
These agreements cover the
cost of specific r ...