WHEN YOU HAVE THE CAR IN PARK IT IS NOT ALWAYS IN PARK AND IF YOU TURN THE CAR OFF IT WILL NOT START BACK UP. SO WHEN WE TRY TO START THE CAR AGAIN IT WILL NOT START, SO WE HAVE TO MOVE THE GEAR SHIFT TO NEUTRAL TO START IT THAT WAY. WHEN WE MOVE THE GEAR SHIFT TO PARK IT IS NOT ALWAYS IN PARK. WE THINK THIS MAY HAVE HAPPENED IN THE ABOVE ACCIDENT. THE CAR ROLLS BACK. BEFORE WE BECAME AWARE OF THE PROBLEM THIS HAPPENED TWICE. ONCE WHERE OUR CAR HIT ANOTHER CAR AND ANOTHER TIME WHERE I WAS ABLE TO AVOID AN ACCIDENT BUT THAT WAS JUST BECAUSE NO ONE WAS PARKED DIRECTLY BEHIND ME AND I WAS ABLE TO STOP IT IN TIME BEFORE I HIT THE CARS PARKED SEVERAL FEET AWAY. *TR