A vehicular interior rearview mirror system includes an interior rearview mirror assembly, which includes an ambient light sensor operable to sense ambient light and a glare light sensor operable to sense glare light. A control is operable to establish a reflectance level of a transflective electrochromic...http://www.google.de/patents/US8106347?utm_source=gb-gplus-sharePatent US8106347 - Vehicle rearview mirror system
