Toyota 2013 Corolla Owner's Manual page 264

3-2. Using the audio system
Type A
Mode
displayed
"BAS"
"TRE"
"FAD"
"BAL"
*: The sound quality level is adjusted individually in each radio mode or
CD mode.
Type B
Mode
displayed
"BASS"
"TREBLE"
"FADER"
"BALANCE"
*: The sound quality level is adjusted individually in each audio mode.
272
Sound qual-
ity mode
Bass* -5 to 5
Treble* -5 to 5
Front/rear
volume R7 to F7
balance
Left/right
volume L7 to R7
balance
Sound
quality mode
Bass* -5 to 5
Treble* -5 to 5
Front/rear
volume R7 to F7
balance
Left/right
volume L7 to R7
balance
Turn to the
Level
left
Low
Shifts to rear
Shifts to left
Turn to the
Level
left
Low
Shifts to rear Shifts to front
Shifts to left
Turn to the
right
High
Shifts to
front
Shifts to right
Turn to the
right
High
Shifts to right