Toyota Yaris Owner's Manual page 251


Adjusting sound quality
Turning
Sound
quality mode
*
Bass
*
Treble
Front/rear
volume
balance
Left/right
volume
balance
*
: The sound quality level is adjusted individually in each audio mode.

Adjusting the Automatic Sound Levelizer (ASL)
When ASL is selected, turning
amount of ASL in the order of LOW, MID and HIGH.
Turning
ASL automatically adjusts the volume and tone quality according to
vehicle speed.
adjusts the level.
Mode
Level
displayed
"BASS" -5 to 5
"TREBLE" -5 to 5
"FADER" R7 to F7
"BALANCE" L7 to R7
to the left turns ASL off.
5-2. Using the audio system
Turn to the
left
Low
Shifts to rear Shifts to front
Shifts to left Shifts to right
to the right changes the
251
Turn to the
right
High
5