How Do Auto-Dimming Rearview Mirrors Work?

Bright lights at night, even when they are coming from behind, make concentrating on the road ahead more difficult. New technologies such as auto-dimming rearview mirrors seek to make nighttime driving safer and more enjoyable.

Your rearview mirror works by utilizing a photosensitive sensor integrated directly into its housing. When it senses a light above a certain brightness, it automatically fires a charge into a layer of gel directly behind the reflective glass. This gel absorbs the oncoming light, in essence causing a dimming effect in the glass itself by darkening its surface. While the driver can still see images reflected in the surface, they are not as bright as an untreated mirror would be.

If you'd like to test drive a vehicle incorporating this new technology, visit us at Goodson Acura of Dallas. We have a range of vehicles to choose from and can answer any questions you may have about auto-dimming rearview mirrors.



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