A switch box includes an optical-axis-changeover switch for headlamps, an on/off-changeover switch for the headlamps and a starter switch arranged on the same operation board. A main switch can turn on and off a main electric source of an MUV 1 in cooperation with a portable key. The switch box and the main switch are arranged on the instrument panel. The switch box is partially or fully disposed in a projective area of the steering wheel in a driver's eyesight. The starter switch is made to be of a push-type, whereas the optical-axis-changeover switch and the on/off-changeover switch for the headlamps are made to be of a seesaw-type. A segment display of a meter device includes a unit indication member for switchably indicating kilometer indication and mile indication by displaying only an arbitrary display element of a plurality of display elements arranged adjacently to each other in a horizontal direction.