Fiat 500L 2013 Owner's Handbook Manual page 368

Equalizer
(for versions/markets, where provided)
Select "Equalizer" on the display to adjust the bass,
medium and treble tones.
Use the "+" or "–" buttons to carry out the settings
desired (see fig. 7).
Then press /Done button to return to the "Audio"
menu.
fig. 7
364
Balance/Fade
Press the "Balance/Fade" button to balance the sound
from the front and rear seat speakers.
Press the or
rear speakers (see fig. 8).
Press the or
the left and the right side.
The adjustment is also possible by moving the
symbol on the right side of the display
upwards/downwards/to the left/to the right.
Press the central "C" button to balance the
adjustments.
Then press
menu.
fig. 8
F0Y1002
buttons to balance the front and
buttons to balance the speakers on
/Done button to return to the "Audio"
F0Y1003