ENGINE FIRE ENGULFED THE WHOLE FRONT END. THERE WAS A RECALL BY GM #15757. RECEIVED A LETTER INDICATING POSSIBLE ENGINE COMPARTMENT FIRE. CALLED DEALERSHIP SEVERAL TIMES AND INFORMED THAT NEEDED PART WAS NOT AVAILABLE. WHILE DRIVING VEHICLE HOME ON CITY STREET THE ENGINE COMPARTMENT WENT UP IN FLAMES. VIDEO WAS TAKEN OF THE FIRE.