An on-vehicle display control unit includes a CPU to which vehicle data of various kinds are inputted and a graphic LSI arranged to generate display data to be outputted to a display. Electronic devices prepared according to the method are also disclosed. In both modes the controller sends system event information to another controller to duplicate the management event information. The location of the anatomical structure is identified relative to the intersection. Fuel materials may include metals, metal sulfides, or other non-metallic materials.