To immediately visualize a signal generated from a indicator by a driver by arranging the indicator capable of indicating an electric signal to the side facing to a driver.

A display panel 4 as a display and display lamps 5A-5F are arranged on the upper face to be on the driver side of an annular ring part R grasped by the driver at steering, and on the part position on the front side at rectilinearly steering of a vehicle. The display panel 4 is constituted out of a liquid crystal panel, and constituted so that following to increase of speed, measures lighting with orange-color or the like are increased from the left side to the right side. The display lamps 5A-5F are constituted of light emitting diodes emitting light of red-color or the like, and they are constituted so as to light in order from the left side according to increase of engine speed.