A TRAFFIC OFFICER AND INVESTIGATED AN INCIDENT WHERE A VEHICLE OWNER WAS RUM OVER BY HIS VEHICLE. THE VEHICLE DOES NOT HAVE A PHYSICAL KEY TO OPERATE THE VEHICLE. THERE IS AN ELECTRONIC "KEY" AND A PUSH BUTTON START/SHUT OFF SWITCH. THE DRIVER PARKED THE VEHICLE IN A DRIVEWAY WITH A STEEP GRADE. THE VEHICLE WAS LEFT IN "DRIVE" WITH THE ENGINE OFF. THE DRIVER EXITED AND STARTED TO WALK AWAY FROM THE VEHICLE. THE VEHICLE STARTED TO ROLL BACKWARDS, DOWN THE DRIVEWAY. THE DRIVER RAN TO THE VEHICLE TO TRY TO STOP IT AND WAS RUN OVER BY THE VEHICLE. IT IS POSSIBLE TO PARK THE VEHICLE, SHUT THE ENGINE OFF AND EXIT THE VEHICLE WITH THE TRANSMISSION ANY GEAR SELECTION AND EXIT THE VEHICLE. THIS IS THE SECOND INCIDENT WITH THIS SAME MODEL VEHICLE, BUT DIFFERENT YEARS, THAT THE ENGINE WAS SHUT OFF, THE TRANSMISSION WAS LEFT IN DRIVE AND THE VEHICLE RAN OVER THE DRIVER. IN BOTH INSTANCES THE VEHICLE WAS OWNED BY THE DRIVER FOR A SHORT TIME. *TR