A display system of a vehicle includes a windshield of a vehicle, an interior rearview mirror assembly, an assembly disposed at an upper region of the windshield, and a display device disposed at the assembly. The upper region of the windshield includes a display region. The display device is operable to project a mirror image of display information towards and onto the display region of the windshield for viewing by a driver of the vehicle. The display information is viewable at the display region of the windshield and is viewable and discernible by the driver of the vehicle when the driver is normally operating the vehicle.