How Auto-Dimming Rearview Mirrors Work
Auto-dimming rearview mirrors use special electrochromic technology to reduce glare from the headlights of cars behind the vehicle. The mirror is coated with a layer of transparent material that darkens when an electrical current passes through it. When the current stops, the mirror returns to its original state.
These mirrors can detect visible light and ultraviolet rays from the headlights of the vehicles behind you. When it detects a certain level of light, an electrical current is created and sent through the mirror’s coating, causing it to darken. This