DRIVING NORMALLY AND APPROACHED A STOPLIGHT WITH A STOPPED TRUCK AHEAD. APPLIED THE BRAKE AND MY VEHICLE BEGAN TO ACCELERATE. STRUCK THE STOPPED TRUCK WITH PRESSURE STILL ON THE BRAKE AND THE ACCELERATION STOPPED. MINIMAL DAMAGE AND NO INJURY INVOLVED. VERY FRIGHTENING EXPERIENCE. THE TRUCK WAS TOWED TO THE TOYATA DEALER( AFRAID TO DRIVE IT) AND THEY COULD FIND NOTHING WRONG.