2004 MAZDA MPV EX. WHILE PARKED IN A PARKING LOT (CAR TURNED OFF), IN PASSENGER BUCKET SEAT BEHIND DRIVER, I SAT DOWN MY 2 YEAR OLD IN ORDER TO CHANGE HIS DIAPER. I KNEW THAT THE SEATS RECLINED USING THE LEVER ON THE SIDE. WHILE MY SON SAT ON THE SEAT, I TURNED THE LEVER, EXPECTING SEAT TO RECLINE, HOWEVER, THERE IS A SPRING MECHANISM (?) THAT AUTOMATICALLY TRIES TO CLOSE THE SEAT, FOLDING THE BACK OF THE SEAT FORWARD, FOR STORAGE AND REMOVAL. I WAS NOT EXPECTING THE AUTOMATIC FOLDING OF THE SEATBACK AT THE FORCE AT WHICH IT CLOSED. WHEN I PULLED THE LEVER THE LEAT BACK CLOSED ON MY SON AND PUSHED HIM INTO THE BACK OF THE DRIVERS SEAT (WHICH HAS A HANDLE ON THE BACK OF IT). HE HIT HIS MOUTH AND FOREHEAD ON THE BACK OF THE DRIVERS SEAT AND COMPLAINED OF A SORE MOUTH/TONGUE AND HAD AN ABRASION ON HIS FOREHEAD. *LA