If sunlight hits the mirror sensor on your inside rear view mirror, it thinks there are bright headlights behind you and dims the mirrors, inside rear view and outside drivers side giving a fairly dark blue tint..
Thereof, why does my rear view mirror turn green?
After consulting the manual, it turns out that the green light indicates that the auto-dimming feature on the mirror is enabled. Pressing the button next to the mirror disables it. Apparently you can also calibrate the digital compass in the car.
Likewise, what is the switch on the rear view mirror? When you flip the switch at the bottom of the rearview mirror, the wedge moves. What this does is change the way light passes through it and how it's reflected back. In daytime driving mode, the back surface of the mirror is what reflects light and images.
Besides, why is my rear view mirror dark?
When auto-dimming is turned on, your rear view mirror will automatically darken in order to reduce headlight glare. There is a rear light sensor that can detect when a vehicle behind you is shining its headlights toward your mirrors.
How does the rear view mirror dimming work?
By flipping the tab, you change the angle of the mirror so that the headlights bounce off the silvered surface and away from your eyes, while a small amount bounces off the front surface of the glass so you can see a dim image of the headlights.
Related Question Answers
What do the 3 buttons on my rear view mirror do?
They are for you to program and use as your garage door opener (up to 3 doors).What is auto dimming rearview mirror?
The auto-dimming rear view mirror offers greater safety when driving at night, as it stops you from being dazzled by traffic travelling behind. It consists of a mirror element and an electronic system that detects light from in front and behind by means of photo sensors.Why are some car mirrors blue?
The reason they are tinted blue is that it makes it easier on your eyes from cars headlights behind you. Thats what I've been told. Heated mirrors are for winter time to keep your mirrors from icing up.Why are BMW mirrors blue?
But still I have no idea why side view mirrors are blue. The blue tint is to help reduce glare or "filter" the light from the headlamps of drivers behind you.What is day/night rear view mirror?
A prismatic rear-view mirror—sometimes called a "day/night mirror"—can be tilted to reduce the brightness and glare of lights, mostly for high-beam headlights of vehicles behind which would otherwise be reflected directly into the driver's eyes at night.How do you adjust auto dimming rear view mirror?
To change the dimming sensitivity level: Tap Settings in the Top view in the center display. Tap My CarMirrors and Convenience. Under Rearview Mirror Auto Dimming, select Normal, Dark or Light.Why is there a green light on my rear view mirror?
Click the button "on" and the green light means it is in night time dimming mode of cars that tailgate with high beams on. When you put it in reverse, the mirror brightens up so you can see better backing up, especially in the dark.How does auto dimming rear view mirror work?
Technology. In auto dimming mirror technology, a forward-looking sensor detects low ambient light from headlights behind the car and directs the rear-view sensor to look for glare. The mirrors darken automatically in proportion to how bright the glare is, then clear once the glare is no longer detected.How do you remove the rear view mirror button?
Use the blow dryer or heat gun to warm the mirror mount right where it attaches to the windshield. You are applying this heat to soften the adhesive underneath. Test the mirror every so often while you are heating it by trying to gently move the mirror slightly back and forth.When should you use a rear view mirror?
Use your rearview mirror when backing up. The rear-view mirror is especially important when you are moving your vehicle in reverse. The mirror will help you to know the course is clear and that you can move without coming into contact with another car, person, or property.What does the lever on a rear view mirror do?
The lever on the mirror causes the mirror to change angle equal to the angle of the wedge. In one position the light from the vehicles behind goes through the wedge shaped glass and bounces off the back surface of the mirror which is coated with aluminum giving a high reflectivity of about 85%.Is it against the law to drive without a rearview mirror?
This means you can legally drive your car as long as two of the three mirrors are still functional and whole. However, while it might be legal, it's not particularly safe. It's very difficult to get a good view of traffic on the passenger side of your car from the driver's seat without a side view mirror. 
