STOPPED AND PLACED MY RAM 2500 IN PARK WITH THE ENGINE RUNNING. GOT OUT AND PUSHED A VEHICLE OFF A CAR DOLLY ATTACHED TO THE TRUCK! THE TRUCK JUMPED OUT OF GEAR AND STARTED GOING BACKWARDS. I RAN TO STOP IT AS THE TRUCK AND CAR DOLLY JACK KNIFED HITTING ME AND KNOCKING BACKWARDS. THE DOLLY WEDGED UNDER THE SIDE OF THE TRUCK DAMAGING IT! SINCE THEN SEVERAL TIMES IT HAS NOT WANTED TO GO INTO REVERSE. YOU WILL HAVE TO SHIFT IT BACK INTO PARK THEN BACK INTO REVERSE FOR IT TO WORK! *DT *DT *TR