Projecting images on screens is no big deal; humans have been doing this for many years now. The biggest feature of interest however, is being able to display transparent information on a transparent screen, without losing information or visibility. How is this achieved? OBD-II mode, required for the full functionality, https://head-up-display-mazda20752.theisblog.com/29432839/se-desconoce-detalles-sobre-coches-con-head-up-display