THE CAR HAS ALWAYS HAD PROPER MAINTENANCE AND CARE. THIS CAN BE DOCUMENTED WITH AUDI OF HUNTSVILLE AL. NO WARNINGS OR INDICATOR LIGHTS WERE PRESENT. THE CAR WAS PARKED AND ABOUT 15 MINUTES LATER A PASSERBY CAME INTO THE RESTAURANT IN WHICH WE WERE DINING SAYING A GRAY AUDI WAS ON FIRE. OWNER OF RESTAURANT TRIED TO USE HANDHELD FIRE EXTINGUISHER TO THE FRONT GRILL. NO LUCK AS IT IMMEDIATELY MELTED THE HOOD AND ENGULFED THE WHOLE CAR IN FLAMES. TOOK FIREMEN 30 MINUTES TO PUT IT OUT. THEY HAD NO IDEA OF CAUSE BUT SPECULATED ELECTRICAL AS THE SOURCE.