I WAS LOADING A CAR HAULER SEMI TRUCK, BACKING A 2004 JEEP GRAND CHEROKEE OVER MY CAB. JUST AS SOON AS I HAD THE UNIT WHERE IT NEEDED TO BE AND BEFORE I COULD GET IT IN PARK IT ACCELERATED IN REVERSE. THE CONSEQUENCE WAS IT CRASHED TO THE GROUND AND ROLLED ONTO IT'S RIGHT SIDE WITH ME STILL IN IT. I WASN'T SERIOUSLY HURT, BUT I DID LOOSE MY JOB OVER THE ACCIDENT. *NM