What is the use of mirror heating?

2 Answers
SanNoah
07/24/25 1:41am
The mirror heating function refers to when the car is driving in rainy, snowy, foggy and other weather, the mirror can be heated by the electric heating wire embedded behind the lens to ensure the clarity of the lens surface. The car mirror heating is generally more suitable for rainy and snowy days. When the mirror is heated, the heater behind the lens quickly heats the mirror surface, and slowly removes the rain or fog on the mirror surface, saving the driver the trouble of frequently wiping the lens manually, thereby reducing the danger of driving. The method of using the rearview mirror heating function: The rearview mirror heating function generally has two ways to turn on. One is combined with the electric rearview mirror adjustment function key, just rotate the knob to turn it on. The other is set on the air conditioning control panel, press the heating button to turn it on. There is no need to manually adjust the angle, the driver's side has an adjustment button. The principle of the rearview mirror heating function: After pressing the button, the electric heater behind the rearview mirror glass will quickly rise to a fixed temperature within a few minutes, usually between 35-60 degrees. The heat will be dissipated from the left and right rearview mirrors. At the same time, due to the increase in temperature and evaporation, the water droplets on the mirror surface will become smaller and smaller, and the fog will slowly disappear, thereby heating the lens and removing fog and frost. If the rain is particularly heavy, its impact will be reduced and the effect will not be obvious. Precautions for using the rearview mirror heating function: The principle of rearview mirror heating is to add electric heating wires to the rearview mirror. The power consumption of the electric heating wire is very large. When using the rearview mirror heating function, you need to ensure that the car is in a started state. Try not to turn on the rearview mirror heating function when the car is stationary to avoid insufficient battery power and unable to provide power for the car to start. Other methods of rearview mirror defogging include: Window convection: Open a gap in the windows on both sides to form convection between the inside and outside of the car, and the temperature difference will decrease accordingly, and the fog will slowly disappear. Adjust the car's air conditioning to the corresponding gear, and you can use the hot air blown out by the air conditioning to defog.
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McAlexa
08/10/25 9:16pm
When I first started driving, I loved the heated mirror feature the most, especially during winter or rainy days. It quickly heats up to melt frost or rain on the mirrors, ensuring I always have a clear view of the vehicles behind me, preventing mistakes when reversing or changing lanes. I remember one heavy snow day when I woke up to find the mirrors frozen. After turning on the heating for a few minutes, they were completely clear, saving me the hassle of wiping them with a cloth and freezing my hands. This feature is designed simply and integrated into the car, with most vehicles having a button or automatic switch for it. I recommend new drivers get into the habit of turning it on after starting the car in winter—it really enhances the driving experience, especially on long trips, making things easier and preventing accidents. In short, it's a very practical little safety tool that makes driving more reassuring.
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