TL* THE CONTACT OWNED A 2010 HONDA CIVIC HYBRID. THE CONTACT STATED THAT THE VEHICLE WAS PARKED ON A SLIGHT INCLINE FOR A FEW MOMENTS WHEN SHE NOTICED THAT THE VEHICLE BEGAN TO ROLL BACKWARD. THE VEHICLE THEN BEGAN TO ROLL FORWARD UNTIL CRASHING INTO A RAVINE. A POLICE REPORT WAS FILED AND THE VEHICLE WAS TOWED TO A TOWING YARD. THE FAILURE WAS NOT DIAGNOSED, BUT THE VEHICLE WAS CLASSIFIED AS DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN. THE VIN WAS UNAVAILABLE.