Toyota 2009 Corolla Owner's Manual page 241

3-2. Using the audio system
Adjusting sound quality and volume balance
n
Turning
Mode
displayed
1
BAS*
1, 2
MID*
1
TRE*
FAD
BAL
1
* :The sound quality level is adjusted individually in each radio
mode or CD mode.
2
* :JBL brand audio system
222
adjusts the level.
Sound qual-
ity mode
Bass -5 to 5
Mid-
-5 to 5
range
Treble -5 to 5
Front/rear
volume F7 to R7
balance
Left/right
volume L7 to R7
balance
I n f o r ma t i o n P r o v i d e d b y :
Turn to the
Level
left
Low
Shifts to rear
Shifts to left
Turn to the
right
High
Shifts to
front
Shifts to right