ISO 7000 automotive light symbols. Clockwise from upper left: low beam headlight; high beam headlight; Anti-lock brake failure, Hazard warning lights.
ISO 7000 is an International Organization for Standardization technical standard for graphical symbols for use on equipment, used to indicate the function of controls, status or attributes of equipment in a photographic form. The equipment covered by ISO 7000 is wide and varied from motor vehicles, to protective safety clothing to medical instruments and supplies.