Vehicle mirrors help keep you safe while on the road. Through the years, manufacturers have introduced many high-tech elements to make mirrors more advanced. In this article, we’ll talk about how auto-dimming rearview mirrors work and the things you should consider when shopping for one.
Rearview mirrors refer to adjustable mirrors usually attached to the top of the windshield. Its primary purpose is to allow the driver to see what’s behind the car. This mirror will enable you to monitor traffic to prepare for any potential danger while on the road.
An auto-dimming mirror, also known as an electrochromic rearview mirror, works through the process of electrochromism. This refers to a material’s ability to change color or opacity in the presence of an electric field.
An electrochromic mirror dims when needed with the help of an electrochromic gel between two pieces of glass that are coated with electrically-conductive material.
When you’re out for a ride, an ambient sensor in the mirror monitors how much light there is outside and alerts the mirror control unit. A glare sensor then triggers an electric charge once it senses that the light level is enough to cause glare. The gel changes color because of the current, dimming it enough for you to still see through the mirror. Once the glare is gone, the system switches off, and the mirror returns to normal.
Note that some early interior auto-dimming rearview mirrors simply had a light sensor that automatically tilted the mirror up to the refracted position when a car’s headlights were detected by the mirror’s rear-facing light sensor. You can also tilt the mirror to its refracted position manually on these vehicles.
Note that some early interior auto-dimming rearview mirrors simply had a light sensor that automatically tilted the mirror up to the refracted position when a car’s headlights were detected by the mirror’s rear-facing light sensor.
– Richard McCuistian, ASE Certified Master Automobile Technician
Not all vehicles come with auto-dimming mirrors. But many modern vehicles already have them as standard for some trims. For example, the 2023 Honda CRV lists an auto-dimming rearview mirror as one of its interior features. Some variants of the fourteenth generation F-150 like the Lariat and King Ranch, also have these rearview mirrors as standard.
If your vehicle doesn’t have this type of auto-dimming mirror, you can check out if there are aftermarket options for your ride. The price range can significantly vary depending on your specific vehicle. Most aftermarket electric auto-dimming rearview mirrors are priced anywhere between $100 and $300.
If you don’t want to replace your existing mirror, there’s another option you can try—anti-glare films. You’ll find basic and professional-grade films on the market. These films are also easy to install, so you won’t have to pay a professional to do it for you.
Rearview mirrors can appear simple to install, but auto-dimming ones can be a bit more complicated and time-consuming. If you don’t want the hassle of connecting wires, we recommend taking your ride to an auto repair shop. You’ll need to shell out money for labor, but it’s better than damaging your vehicle’s windshield or other parts just to install a rearview mirror.
Any rearview mirror is enough to see what’s behind your vehicle when you drive. So what’s so special about auto-dimming mirrors?
Here are some of the benefits of having this type of mirror installed:
Although all states require drivers to dim their high-beam headlights when there is a risk of blinding other drivers, some drivers do not. The glare from high-beam lights coming from other vehicles can disrupt your focus when driving in dark areas. You’ll worry less about glare from behind your vehicle if you have auto-dimming mirrors.
Bright lighting can put too much strain on your eyes and impair your vision. Light can scatter inside your eye, causing difficulty focusing on an object. With driving, being able to see things clearly is vital. So if you often do long rides at night, consider installing an auto-dimming rearview mirror. It can help you stay focused, alert, and safe.
It depends on which state you’re currently in. Some states only require two rear-facing mirrors, which could be your side mirrors. Find out which laws apply to your state by checking out this article.
Automotive mirrors aren’t just there for aesthetics. They’re installed to help you maneuver your vehicle and to keep you safe while on the road. For your safety, it’s best to err on the side of caution and repair or replace mirrors as needed to prevent road accidents.
If you’re looking for a rear view mirror for your vehicle, look no further than CarParts.com. We have a wide selection of top-notch car mirrors sourced from top brands in the industry.
All you have to do is input your ride’s exact details into our easy-to-use vehicle selector to narrow down your search to the mirrors that can be installed on your vehicle.
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Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.