VEHICLE WAS INVOLVED N A REAR END COLLISION. UPON IMPACT THE SEATBACK BROKE, THROWING THE DRIVER OUT OF THE VEHICLE. THE VEHICLE WAS TOTALED. MANUFACTURER HAS BEEN NOTIFIED. *AK DRIVER WAS THROWM AGAINST PARTS OF THE CAR. THE DRIVER ENDED UP HANGING OUT OF THE VEHICLES BACK HATCH WHICH WAS FLUNG OPEN. JN