In the US, SAE standard headlamps are aimed without regard to headlamp mounting height. The H1 lamp was the first tungsten-halogen headlamp light source. The headlamp washers and wipers set are optional. A windscreen and minimal fairing extending around the headlamp fixed to the triple clamp. However, headlamp bulb adjuster is not included. It was styled with a unique egg-crate grille and chrome headlamp bezels. Projector headlamp, Electronic Power Steering and dual airbags are standard across the range. For 2003 the design of the radiator grille, headlamp inner panels, and sills were altered. The Stepwgn Spada model returned, keeping its unique grille and headlamp design. Other AFS techniques include special auxiliary optical systems within a vehicle's headlamp housings. It was introduced in 1962 by a consortium of European bulb and headlamp makers. The commercials never had the series III bonnet and headlamp cowls. Over time, the headlamp lens can deteriorate. Both single and twin headlamp front fascia designs were produced. Previously, it appeared as a decal on the headlamp nacelle.