ENGINE STOPPED WHILE DRIVING DOWN A HILL, ABOUT 55 MPH, AND ENTERING A LEFT CURVE. VEHICLE, W/O BRAKES OR STEERING, PULLED TO THE RIGHT, GOING ONTO THE BERM AND THEN DOING A 360 DEGREE TURN IN THE MIDDLE OR ROADWAY, HITTING GUARDRAIL AND THEN SLIDING OFF ROARWAY, OVER A SLOPE, INTO A FIELD. *AK