VEHICLE PARKED ON LEVEL GROUND IN STORE PARKING LOT. PERSON PARKED NEXT TO MY CAR STATED, HEARD "WEIRD NOISES', COMING FROM VEHICLE THEN IT STARTED TO ROLL INTO DYED SWAMP. CAR EQUIPPED WITH AUTOMATIC TRANSMISSION.VEHICLE WILL NOT START WITH TRANSMISSION IN PARKED POSITION BUT WILL CONTINUE TO ROLL FORWARD WITH TRANSMISSION IN PARKED POSITION ON ITS OWN. AIR BAGS WAS NOT DEPLOYED & HAD TO BE TOWED. TRANSMISSION PROBLEM? *TR