Lexus RX450H Manual page 425

3-2. Using the audio system

Adjusting sound quality
Turning
Mode
displayed
"BAS"
"MID"
"TRE"
"FAD"
"BAL"
*
: The sound quality level is adjusted individually in each audio mode.
Turning the Automatic Sound Levelizer (ASL) on/off
Turning
counterclockwise turns off the ASL.
ASL automatically adjusts the volume and tone quality according to
the noise level as you drive your vehicle.
400
RX450h_EE
adjusts the level.
Sound qual-
Level
ity mode
*
Bass -5 to 5
*
Mid-range -5 to 5
*
Treble -5 to 5
Front/rear
volume F7 to R7
balance
Left/right
volume L7 to R7
balance
clockwise turns on the ASL, and turning
Turn coun- Turn clock-
terclockwise wise
Low High
Shifts to
Shifts to rear
front
Shifts to
Shifts to left
right