IN A PARKING LOT, GOING ABOUT 5MPH, CAR SUDDENLY ACCELERATED OUT OF CONTROL AND WENT UP A SLOPE CRASHED INTO A TREE STUMP AND GRAZED THE BACK OF A PARKED CAR WITH NO OCCUPANTS. AIR BAGS DID NOT GO OFF AND I WAS NOT INJURED BUT FRONT HOOD DETACHED AND I HAD IT TOWED TO MY DEALERS BODY SHOP. HAPPENED YESTERDAY, CALLED POLICE BUT THEY DO NOT COME TO PRIVATE LOTS. EXCHANGED INFO WITH THE PARKED CAR OWNERS WHEN THEY RETURNED.