Why is the rearview mirror heating ineffective in heavy rain?

1 Answers
SanColin
07/30/25 9:29am
Because the heating temperature of the rearview mirror can only evaporate some fog and has little effect on water droplets. Introduction to rearview mirror heating: The rearview mirror heating function in cars is a very practical feature, and it has almost become a standard configuration in vehicles. The rearview mirror heating button is usually located near the rearview mirror angle adjustment button. Notes on rearview mirror heating: When using the rear windshield heating, it is important to note that the heating function will automatically turn off after a while to protect the electric heating wires on the rear windshield. In some cars, the rearview mirror heating button is located in the air conditioning control area of the center console, while some cars do not have a separate rearview mirror heating button. For cars without a separate rearview mirror heating button, the rearview mirror heating will automatically turn on when the rear windshield heating is activated.
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