I WAS DRIVING BETWEEN 0 AND 5 MPH WHEN I WAS HIT FROM BEHIND. THE VEHICLE THAT HIT ME WAS A 1997 TOYOTA CAMERY. HIS APPX. SPEED WAS BETWEEN 40 AND 50 MPH. WHEN I EXITED MY VEHICLE I NOTICED THAT THE DRIVERS SEAT WAS COMPLETLY LAYED BACK. I DIDN'T KNOW IT AT THE TIME BUT IT APPEARS THE METAL IN THE SEAT BROKE, CAUSING THE BACK OF THE SEAT TO COLLAPSE. THE SEAT WAS IN THE TOTAL RECLINED POSITION. WHEN IT WAS DELIVERED TO COMBS COLLISION, IT WAS DETERMINED THAT THE METAL HOLDING THE TOP OF THE SEAT TO THE BOTTOM HAD BROKEN. THEY WERE NOT ABLE TO PUSH THE SEAT BACK UP ALL THE WAY. THE PASSENGER SEAT ALSO HAD DAMAGE TO IT.