TOYOTA 2010 Corolla - Manual (Page 235)

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3-2. Using the audio system
3
Inte
rior fe
atures
■ Adjusting the Automatic Sound Levelizer (ASL)
Except JBL brand audio system
When “ASL” is selected, turning to the right changes the
“ASL” level in the order of “LOW”, “MID” and “HIGH”.
Turning to the left turns “ASL” off.
ASL automatically adjusts the volume and tone quality according to vehi-
cle speed.
JBL brand audio system
When “ASL” is selected, turning to the right turns “ASL” on,
and turning to the left turns “ASL” off.
ASL automatically adjusts the volume and tone quality according to vehi-
cle speed.