FIRE IN TRUNK STARTED AT REAR FUSE PANEL. DRIVING AT 35 MPH IN DRIZZLE, TRUNK AJAR MESSAGE LIT, STOPPED TO CHECK IT & ENGINE STALLED AS I PULLED OFF THE ROAD, FOUND THE TRUNK SECURELY LATCHED, AND COULDN'T OPEN IT WITH KEY FOB OR BUTTON IN CABIN. THEN SAW PAINT TURNING BROWN (SCORCHING) AT REAR CORNER PANEL AT LOCATION OF REAR FUSE PANEL. BY THE TIME FIRE DEPT. ARRIVED THE CABIN AND TRUNK FULLY ENGULFED - TOTAL LOSS. *TR