WHILE PARKING THE CAR IN A PARKING LOT GOING AT 10 MPH, THE CAR SUDDENLY ACCELERATED AT TOP SPEED WENT OVER A CURB AND HIT A TREE. THE CAR THEN WENT IN REVERSE AT FULL SPEED IN A CIRCLE APPROXIMATELY SIX TIMES UNTIL THE KEY COULD FINALLY BE REMOVED. THE BRAKES WERE WORKING BUT WOULD NOT STOP THE CAR.