DRIVING 2006 PRIUS 6/27/07 ON RURAL 2 LANE HIGHWAY, CROSSED ROUGH RAIL ROAD CROSSING. WITHIN 1/4 MILE MOVED OUT TO PASS CYCLISTS AND AS I CUT BACK INTO MY LANE THE CAR SUDDENLY ACCELERATED FROM 40 TO 60 MPH IN 3 SECONDS. BURNED UP BRAKES AND STARTED CAR FIRE GETTING CAR STOPPED. TOWED TO TOYOTA IN WASAU WISC. BRAKES REPLACED BUT TOYOTA SAID IT(SUDDEN UNCONTROLLABLE ACCELERATION) HAD NEVER HAPPENED BEFORE. TOYOTA WOULDN'T PAY EVEN THOUGH CAR WAS UNDER WARRANTY. INSURANCE PAID. IT HAS NOT HAPPENED AGAIN BUT WE FOUND NUMEROUS INCIDENTS HAD OCCURRED BACK TO 05. WE STILL HAVE OLD BRAKE PARTS. *TR