A method of manually overriding automatic activation of an automatic headlight control system for a motor vehicle, headlamps operable in a high beam state and a low beam state, a high/low beam switch movable from a neutral position to a latched position and from a neutral position to a non-latched position...http://www.google.fr/patents/US7755294?utm_source=gb-gplus-shareBrevet US7755294 - Vehicle headlight beam controls