DT*: THE CONTACT STATED WHILE DRIVING 10 MPH, THERE WAS A LOUD CLICKING SOUND COMING FROM THE TRANSMISSION. WHEN THE CONTACT PARKED AND EXITED THE VEHICLE, IT SPONTANEOUSLY SHIFTED INTO REVERSE, AND ACCELERATED BACKWARDS, STRIKING THE SIDE OF THE RESIDENCE WITH THE FRONT LEFT DOOR OF THE VEHICLE. IT WAS TAKEN TO A SERVICE DEALER, WHO WAS UNABLE TO DETERMINE THE PROBLEM. THE MANUFACTURER WAS ALSO NOTIFIED