I OWN A 2005 FORD EXPLORER. THIS INCIDENT HAPPENED IN NOVEMBER OF 2009. THE FORD EXPLORER HAD APPROXIMATELY 80,000 MILES ON IT. I PULLED INTO MY SISTER'S DRIVEWAY WHICH IS A FLAT, GRAVEL DRIVEWAY. THE FORD EXPLORER IS AN AUTOMATIC TRANSMISSION. I SHIFTED THE CAR INTO PARK AND THEN EXITED THE FORD EXPLORER. AFTER EXITING THE FORD EXPLORER, IT STARTED MOVING BACKWARDS. THE OPEN DOOR KNOCKED ME DOWN AND THEN THE TIRE ON THE DRIVER'S SIDE RAN OVER MY LEG. MY SISTER RAN AND STOPPED THE CAR. THE GEAR SHIFT MOVED FROM PARK INTO REVERSE. *TR