MY VEHICLE WAS PARKED IN MY DRIVEWAY FROM FEB. 21, 2013 FROM 11:30 AM TO APPROXIMATELY 4:00 PM WHEN IT ROLLED DOWN THE DRIVEWAY HIT A TREE AND STOPPED IN THE MIDDLE OF THE STREET. THE CAR WAS PARKED IN FIRST GEAR AND THE PARKING BRAKE WAS ENGAGED. THE DRIVEWAY HAS AN APPROXIMATELY 20% SLOPE AT THE LOCATION THE CAR WAS PARKED. THE SECOND INCIDENT TOOK PLACE ON MAY 2, 2013 APPROXIMATELY 1:00 PM. THE VEHICLE HAD BEEN PARKED IN THE SAME LOCATION FOR THREE WEEKS AS I WAS OUT OF TOWN. IT WAS ONCE AGAIN PARKED IN FIRST GEAR, WITH THE PARKING BRAKE ENGAGED. AS I APPROACHED THE VEHICLE IT BEGAN TO ROLL DOWN THE SLOPE IT WAS PARKED ON. I HAVE WITNESSES FOR BOTH INCIDENTS. CHRYSLER HAS INSPECTED THE VEHICLE TWICE AND REPORTS THERE IS NOTHING WRONG WITH THE BRAKES OR TRANSMISSION. *TR