Why are some side mirrors blue?
The blue tint is to help reduce glare or “filter” the light from the headlamps of drivers behind you.
Why are BMW mirrors blue?
The blue cast is part of the dimming mechanism. Hope this explains it. Auto-dim exterior mirrors are part of the Premium package. 🙂 I have noticed that cars equipped with heated mirrors always have a blue tint.
Why does my car mirror turn green?
The green color is simply a result of color filtering by the tinting layer of the side mirrors.
How does the auto dimming mirror work?
The mirror itself darkens when a light source hits it, thanks to electrochromism (which is why auto-dimming mirrors are also called electrochromic mirrors). An electrochromic material changes colour when charged by an electrical current. Send voltage through it, and it darkens. Remove the voltage, and it lightens.
It’s pretty simple, really. Your rear view mirror glass isn’t actually flat – it’s a wedge of glass that’s thicker on one end than the other. 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.
Why does my rear view mirror have a blue tint?
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.
How do I stop my rearview mirror from dimming?
You can feel a small rectangular opening in the mirror housing for the sensor. This light sensor measures outside ambient light. Shining the flashlight into this opening removes all dimming of both mirrors (car must be running).
Which car mirror is more accurate?
Due to this apparent difference in distances, it’s always important to check mirrors in pairs. Using the internal rear view mirror and a side mirror helps to determine a more accurate estimate of distances from objects.