How do Auto-Dimming Rearview Mirrors Work?

Bright lights at night are more than a passing irritation; in some cases, they can even cause a driver to develop a temporary blind spot and impair their ability to respond quickly to obstacles in the road. Auto-dimming mirrors seek to eliminate this safety hazard by reducing the glare from the bright lights of other motorists.

Rearview mirrors are more intelligent than ever before. In addition to possessing light-sensing technology, they also have a thin layer of light-absorbing gel held just behind the mirrored surface. When the unit judges the light shining into it is too bright, it discharges an electric impulse which cues the gel to spread and absorb excess light. Drivers will still be able to use the mirror to see behind them, but the reflected lights will be dimmer.

Visit us at State College Used Cars for a closer look at vehicles with auto-dimming rearview mirrors. We can arrange for you to take one out on the road for a test drive and answer any questions you may have.



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