THE SEAT MATERIAL ON THE DRIVER'S SEAT, BURNED THROUGH, MELTING THE SEATS MATERIAL AND CREATING A 1-INCH X INCH WIDE HOLE. THE HOLE LEFT EXPOSED THE ELECTRICAL WIRES UNDER THE MATERIAL THAT CAUSED THE DRIVER TO FEEL A SUDDEN ELECTRICAL SHOCK. FURTHERMORE, THE ELECTRICAL SHOCK COMBINED WITH THE HOT MELTING MATERIAL FELT THROUGH THE JEANS, CAUSED THE DRIVER TO SUDDENLY AND UNSAFELY VEERS OFF THE ROAD. THE HOT MELTED MATERIAL ALSO CAUSED SOME MINOR BURNING ON THE HAND (FINGER) OF THE DRIVER. THE VW BUILT IN SEAT-HEATER WAS ON POSITION 4. *AK