Patent 7482763 was granted and assigned to Chrysler on January, 2009 by the United States Patent and Trademark Office.
This invention provides an arrangement for selectively varying the illumination level of an interior light source in a vehicle. The arrangement includes supplying a current to at least one interior light source to achieve a predetermined level of illumination, and reducing the level of illumination via a shunt arrangement in response to detection of a nighttime condition.