I PLACED THE SHIFT IN PARK, STEPPED OUT OF THE CAR (IT WAS DARK ABOUT 10PM) AND WAS IMEDIATELY KNOCKED DOWN. THE CAR BACKED OVER BOTH LEGS AND INTO A DITCH. I HIT MY HEAD AND WAS UNCONCIOUS FOR 15-20 MINUTES. I AM RECOVERING SLOWLY. I AM SURE I PUT THE CAR IN PARK-AT LEAST I THOUGHT I DID. *TR