Lexus ES 350 Owner's Manual page 254

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