FIAT 2013 500 - Manual (Page 69)

CARGO AREA FEATURES
The rear seatbacks have a fold down feature to allow
increased cargo capacity.
Push down the release button, located at the outboard
top of the seatback and move the seatback to its folded-
down position to provide a flat load floor cargo area.
When returning the seatback to its upright position, push
rearward until the seatback is properly latched.
Rear Seat Release Buttons
1
Folded Rear Seats
2