In general, the accelerating system 10 performs a function to start moving of an automobile as increasing revolution of an engine and shifting gears and to increase or maintain speed of the automobile. The steering system 11 performs a function to operate a steering wheel of an automobile. The braking system 12 performs a function to decrease speed or stop moving of an automobile as decreasing revolution of an engine and shifting gears. The indicating system 13 performs a function to turn on or turn off direction indicators, parking lamps, hazard flashers, head lamps, tail lamps, backing lamps, and the like.