TL* THE CONTACT OWNS A 2011 MAZDA MAZDA3. THE CONTACT STATED THAT ANOTHER VEHICLE CRASHED INTO HIS FROM THE REAR. THE CONTACT STATED THAT THE DRIVER'S SEAT MOVED BACKWARD ABNORMALLY. THE CONTACT SUSTAINED INJURIES AS A RESULT. THE VEHICLE WAS NOT DESTROYED. A POLICE REPORT WAS FILED. THE DEALER WAS CONTACTED AND STATED THAT THE SEAT TRACK WOULD LIKELY NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 4,000.