Lexus IS250 2006, Owner'S Manual

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3-2. Using the audio system
Adjusting the Automatic Sound Levelizer (ASL)
Press .
The ASL switches between ON and OFF modes each time the switch is
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
(position selector) to change the setting.
The display changes as follows each time the button is pressed.
Adjusting sound quality and volume balance
■
Changing sound quality modes
Press
Pressing the button changes the sound mode in the following order.
BAS

MID

TRE

FAd

BAL

SURROUND (type B only)
■
Adjusting sound quality
Press or to adjust the level.
Display Listening position
DRIVER Position best suited to the driver’s seat
FRONT
Position best suited to the driver’s and front passenger
seats
REAR Position best suited to the rear seats
ALL Position best suited to all seats