TL* THE CONTACT OWNS A 2016 MAZDA 3. WHILE THE VEHICLE WAS STATIONARY AND UNOCCUPIED, THE EMERGENCY BRAKE DISENGAGED AND THE CONTACT'S VEHICLE ROLLED BACK AND STRUCK ANOTHER VEHICLE. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS NOT FILED. THERE WERE NO INJURIES. A DEALER WAS NOT MADE AWARE OF THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 31,735.