A vehicle control system comprises an industry standard CAN network with a number of nodes distributed around the vehicle for controlling corresponding parts of the vehicle. One such node is located in the housing of the vehicle interior rearview mirror and directly controls the reflectivity of an electro-optic...http://www.google.fr/patents/US6291905?utm_source=gb-gplus-shareBrevet US6291905 - Vehicle rearview mirror and a vehicle control system incorporating such mirror
Vehicle rearview mirror and a vehicle control system incorporating such mirror