Originally Posted by canucklion
tx, there's a sensor pointing towards the front of the windshield, the mirror takes into consideration the light intensity difference between the sensor to the front of the car and the sensor in the mirror (towards the back of the car)
My dims when driving East in the afternoon, i.e. when the sun is going westward and is shinning brightly in your rearview mirror
Really, do you also have tinted windows? I have tinted windows (except for front windshield-no tint there). Well, I don't spent too much time figuring out how the sensor works but it is good to know my auto dimmng does work.