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:
If a warning light turns on or a warning buzzer sounds...
Calmly perform the following actions if any of the warning lights turn on
or flash. If a light turns on or flashes, but then turns off, this does not necessarily
indicate a malfunction in the syst ...
By geographic region
In the United States, U.S.
Territories and Canada
To obtain warranty service in the
United States, U.S. territories or
Canada, take your vehicle to an
authorized Lexus dealership. If your
vehi ...
XM NavTraffic®
The subscription-based XM NavTraffic®
service allows the navigation system to
display traffic information on the map
screen.
The following operations can be performed:
• Show XM NavTraffic® I ...
