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Should Cold or Hot Air Be Used for Rearview Mirror Heating?

1 Answers

LeBrianna

07/29/25 3:23pm

Rearview mirror heating does not require turning on cold or hot air. The mirror lens is equipped with an electric heating element (electric heating film). During rainy or snowy weather, when the driver activates the rearview mirror heating switch, the electric heating element will rapidly heat up to a fixed temperature within a few minutes, typically between 35-60 degrees Celsius, thereby heating the mirror surface to achieve defogging and defrosting effects. Structure and Principle of Rearview Mirrors: Rearview mirrors involve a field of view issue, which refers to the range that the mirror surface can reflect. The industry has proposed three elements of field of view: the distance between the driver's eyes and the rearview mirror; the size of the rearview mirror; and the curvature radius of the rearview mirror. These three elements are interrelated. When the distance and size of the rearview mirror are the same, the smaller the curvature radius of the mirror surface, the larger the field of view reflected by the mirror. When the curvature radius of the mirror surface is the same, the larger the size of the mirror surface, the larger the field of view reflected by the mirror. Reflectivity Index of Rearview Mirrors: Rearview mirrors also have a reflectivity index. The higher the reflectivity, the clearer the image reflected by the mirror surface. The level of reflectivity is related to the reflective film material on the inner surface of the mirror.

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