Adjusting The Automatic Sound Levelizer (Asl); Changing The Listening Position (Type A Only); Adjusting Sound Quality And Volume Balance - Lexus IS250 2009 Service Manual

3-2. Using the audio system

Adjusting the Automatic Sound Levelizer (ASL)

Press
The ASL switches between on and off modes each time
pressed.
ASL automatically adjusts the volume and tone quality according to the noise
level as you drive your vehicle.

Changing the listening position (type A only)

The sound feel setting can be changed to produce the best sound for
each listening position.
Press
The display changes as follows each time
Display
"DRIVER"
"FRONT"
"REAR"
"ALL"

Adjusting sound quality and volume balance

Changing sound quality modes
n
Press
Pressing
"BAS" "MID" "TRE" "FAD" "BAL" "SURROUND"*
*: Type B only
242
.
(position selector) to change the setting.
Position best suited to the driver' s seat
Position best suited to the driver' s and front passenger
seats
Position best suited to the rear seats
Position best suited to all seats
changes the sound mode in the following order.
is pressed.
Listening position
is