WHILE PUTTING CAR IN REVERSE, BACKING OUT OF DRIVING CAR ACCELERATED AT A HIGH RATE OF SPEED, TRIED TO STOP VEHICLE AND TRIED TO PUT INTO PARK BUT THE CAR ACCELERATED FOWARD AT A VERY HIGH SPEED AND HIT THE CORNER OF THE RESIDENCE AND GARAGE DOOR, AND FINALLY CAME TO A STOP WITH VERY SEVERE DAMGES TO VEHICLE AND RESIDENCE. *AK