TL* THE CONTACT RENTED A 2015 FORD FOCUS. THE CONTACT STATED THAT THE VEHICLE WAS PLACED IN PARK WITH THE ENGINE OFF AND THE KEY IN THE IGNITION. THE CONTACT EXITED THE VEHICLE AND TWO PASSENGERS REMAINED IN THE VEHICLE. THE VEHICLE INDEPENDENTLY ROLLED BACKWARDS AND CRASHED INTO ANOTHER VEHICLE. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 17,650.