I WAS PARKING MY CAR IN THE PARKING LOT OF A GARAGE WHEN MY CAR LEXUS 330 SUDDENLY PICKED UP HIGH SPEED (FULL THROTTLE) UNINTENTIONALLY. THE VEHICLE WENT FORWARD AND FELL APPROXIMATELY ABOUT 5 FEET TO THE OTHER PARKING LEVEL AND VIOLENTLY HIT THE BACK OF A PICKUP TRUCK WHICH WAS PARKED. I HAD MY SEAT BELT ON. MY BODY WENT FORWARD AND BACKWARD VIOLENTLY. FOR THE NEXT FEW DAYS I HAD EXPERIENCED MUSCLE PAIN, STIFFNESS AND POOR NIGHT SLEEP. THE ACCIDENT WAS REPORTED TO THE POLICE. *TR