How Do Auto-Dimming Rearview Mirrors Work?

Every driver can relate to the experience of having bright lights shine into their eyes via their rearview mirror at night. Sometimes motorists behind forget to turn down their high beams, and sometimes it's a vehicle with headlights placed high on the vehicle relative to the other driver's car. Whatever the reason, these bright lights can be the source of irritation or even unsafe driving conditions.

Some modern rearview mirrors can absorb excess light, effectively dimming a bright reflection from behind and easing the driver's nighttime vision. These mirrors work by incorporating a light-sensing cell into the housing that automatically fires a charge when the light threshold has been exceeded. The charge stimulates a dark gel directly behind the glass, which can absorb excess light.

Visit us at Jack Ingram Volvo Cars for a closer look at vehicles incorporating this new technology. We can set you up with a test drive and answer any questions you may have about auto-dimming rearview mirrors.



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