WHEN THE LEVER THAT ALLOWS THE BACK SEATS TO COME DOWN IS PULLED, THE SEATS COME DOWN EXTREMELY QUICKLY, DANGEROUSLY FAST. THEY APPEAR TO BE ON A SPRING ACTION. ONE OF MY SONS PULLED ON THE LEVER AND MY OTHER SON'S HEAD WAS HIT BY THE SEAT, AND HE SUFFERED A CONCUSSION! I DON'T UNDERSTAND WHY IT WAS BUILT THAT WAY!!