WAS DRIVING THE VEHICLE, CHECK BRAKE SYSTEM LIGHT CAME ON DASHBOARD, THEN THE BRAKES WENT OUT AND WOULD NOT HELP SLOW VEHICLE. THEN SMOKE BEGAN TO FLOW FROM UNDER THE HOOD OF VEHICLE. WAS ABLE TO SLOW VEHICLE WITH EMERGENCY BRAKE AND CAME TO A STOP. OPENED THE HOOD AND SAW ENTIRE TOP HALF OF ENGINE NEAR FIREWALL ON FIRE. *TR