Both arrangements illustrated in FIG. 4A and FIG. 4B are preferable to be applied in a case that a hood of an own vehicle is invisible through the front windshield 15. In contrast, FIG. 5 exemplifies a case that a front section of the hood 33 of an own vehicle is visible through the front windshield 15. In this case, as illustrated in FIG. 5, the right, left, and center display areas 32b, 32a, 32c are arranged in a range through which roads and surroundings thereof in actual scenery in invisible, that is, a range through which the hood 33 is visible.