DT*: THE CONTACT STATED WHILE THE VEHICLE WAS IN PARK, IT JUMPED GEARS, ACCELERATED FORWARD AND HIT A TREE. THE VEHICLE WAS IDENTIFIED TO BE STILL IN PARK AFTER THE ACCIDENT. THE VEHICLE WAS TAKEN TO THE DEALER WHO COULD NOT DETERMINE OR DUPLICATE THE PROBLEM. THE DEALER RECOMMENDED THAT THE CONTACT SHOULD USE THE PARKING BRAKE IN THE FUTURE.