WHEN PARKING ON MY DRIVEWAY IN THE WINTER AND MOVE THE GEAR SELECTOR TO PARK, THE TRANSMISSION DOES NOT LOCK IN PARK. THE VEHICLE REMAINS IN NEUTRAL. TODAY I WAS HALFWAY OUT OF THE VEHICLE WHEN THE TRUCK STARTED TO ROLL DOWNHILL. ONE FOOT WAS ON THE GROUND AND I WAS FALLING BACKWARD. LUCKILY I WAS ABLE TO GRAB THE WHEEL TO KEEP MYSELF FROM FALLING UNDER THE VEHICLE. I HAVE NO DOUBT THAT MY INJURIES WOULD HAVE BEEN SIGNIFICANT HAD I NOT GRABBED THE WHEEL. I REPORTED THIS TO THE DEALERSHIP LAST YEAR WHEN THIS FIRST OCCURRED. THE DEALER SAID THEY DID NOT FIND A THING WRONG. *TR