HEAD-UP DISPLAY FOR VEHICLES AND HEAD-UP DISPLAY SYSTEM FOR VEHICLES

A head-up display (42) for vehicles displays a prescribed image towards a passenger in a vehicle and has an image generation unit and a cleaner (50) that cleans an outer surface of a transparent cover (423), said image generation unit having: a housing (422) opening upwards; the transparent cover (423) that covers the opening in the housing (422); an image generation unit (424) that is provided inside a housing section (S1) formed by the housing (422) and the transparent cover and emits light for generating a prescribed image; and a reflective section (428) that reflects light such that the light emitted by the image generation unit (424) is irradiated towards a windshield (18).