CONSUMER WAS REARENDED BY A VEHICLE THAT WAS GOING AT APPROXIMATELY 65 MPH. AT IMPACT, BOTH DRIVER'S AND PASSENGER'S SEATBACKS FELL INTO A RECLINING POSITION, CAUSING BACK INJURIES. BOTH PASSENGERS HAD SEATBELTS ON. *AK BOTH AIR BAGS FAILED TO DEPLOY DURING THE ACCIDENT. *YH