Skip the auto shop - Our mechanics make house calls

Q: What Do Electrochromatic Mirrors Do?

asked by on

What do electrochromatic mirrors do?

Electrochromatic mirrors are what can be termed as "automatic" day/night mirrors. These types of rear view mirrors have two sensors that detect light. One light sensor is on the back of the mirror (toward the windshield) that measures the amount of ambient light. During the daytime when ambient light is greatest, the automatic response of the electrochromic mirror is disabled.

The other light sensor is on the front of the mirror (facing the driver). This sensor detects light from the headlamps of vehicles to your rear. At nighttime when the amount of ambient light is least, this mirror dims automatically to reduce the blinding glare from the headlamps of the vehicles behind you.

Many vehicles come from the factory with electrochromatic rear view mirrors. Some side view mirrors are electrochromatic as well. These mirrors are also available from the aftermarket, making them an easily accessible upgrade to most any vehicle. If you need any assistance, a certified mechanic can help you repair or replace your mirrors if necessary.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Is there a device to fold and unfold a passenger side mirror from the driver's seat?

Hello. The power folding mirror option is available on the Sienna Limited and Limited Premium models for 2016. Perhaps your mirrors can be upgraded with components from either of these models. Not aware of any aftermarket vendor for this feature....

Q: Why Do Side View Mirrors Say That Objects Are Closer Than They Appear?

The right hand side view mirror is a convex mirror. It gives you that "fish eye" view instead of a more natural flat reflection. Convex mirrors offer you a wider field of vision than regular mirrors, but they have one...

Q: How do I fold back the side view mirrors?

Your car’s side view mirrors fold back (and forwards) to help prevent damage. It’s a good idea to fold them back when entering a tight spot, when using an automatic car wash, or when parked on a street with busy...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.