TL* THE CONTACT OWNS A 2008 GMC ACADIA. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT'S VEHICLE WAS REAR ENDED BY ANOTHER VEHICLE. IN ADDITION, THE BASE OF THE DRIVER'S SEAT DETACHED. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED INJURIES TO THE HEAD, WHICH REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS TOWED TO A DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE UNKNOWN.