I WAS STOPPED AT A TRAFFIC LIGHT WHEN I FELT THE BRAKE "GIVE" AND THEN THE ENGINE BEGAN TO ACCELERATE. NO AMOUNT OF PUSHING ON THE BRAKE WOULD STOP THE ENGINE. THE TIRES WERE SMOKING AND SQUEALING AND THE VEHICLE WAS LURCHING. ONLY SHUTTING OFF THE ENGINE STOPPED THE RACING ENGINE. THE FLOOR MAT WAS NOT INVOLVED. *TR