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:
Customization
Your vehicle includes a variety of electronic features that can be
personalized
to your preferences.
Programming of these preferences can be performed by your Lexus
dealer.
It is also possib ...
Adjusting the sensitivity of the air intake control in automatic mode (vehicles
with a rear automatic air conditioning system)
Press for 2 or more seconds.
Press “” (increase) or “”
(decrease) on the temperature control button on the driver’s side.
From - 3 (low) to 3 (high) can be set.
...
Navigation system: basic functions
Basic information before operation ...