If you have a vehicle that was manufactured in the last few years, then you more than likely have an automatically-dimming rearview mirror. These mirrors are designed to dim and brighten back up according to how much glare they sense behind your vehicle. Ultimately, you won't have to change your mirror on your own. Have you ever wondered how this technology works? Read on to find out.

An automatically-dimming rearview mirror is constructed using two separate pieces of glass. In between runs an electrochromatic gel that can help transfer electricity. A very low current of electricity passes through this space, allowing to mirror to dim and return back to normal on its own.

Sensors on your mirror are used to keep an eye on the level of light and glare that is near your vehicle. Adjustments are made on their own.

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