SHIFTED FROM PARK TO REVERSE WITH NORMAL BRAKE DEPRESSION; VEHICLE IMMEDIATELY ACCELERATED TO 20 MPH, NO BRAKES AND THE DASH CONTROL CENTER COMPLETELY LIT UP. THE ONLY WAY I WAS ABLE TO STOP VEHICLE WAS BY SHIFTING TO NEUTRAL AND ENGAGING THE PARKING BRAKE. I THEN TRIED THE SAME PROCEDURE IN FORWARD WITH THE SAME RESULTS EXCEPT THIS TIME RESULTING WITH THE CAR COLLIDING WITH THE GARAGE WALL CAUSING APPROXIMATELY $6000.00 WORTH OF DAMAGE BETWEEN THE CAR AND HOUSE. *TR