Which Button is Used to Defog the Rearview Mirror?

1 Answers
LePeter
07/30/25 10:55am
Rearview mirror defogging button is also located on the air conditioning control panel, and it is the same button as the rear window defogger. Below is relevant information about the rearview mirror defogging button: 1. There are generally two design locations for the car rearview mirror defogging control switch. One is installed on the electric rearview mirror adjustment combination switch on the door, and the other is located next to the air conditioning control panel buttons. 2. A small square with three upward wavy lines indicates the rearview mirror defogging switch button. 3. Regardless of how the rearview mirror heating control switch is designed, their function is the same. After pressing the button, the electric heating pad behind the rearview mirror glass will quickly heat up to a fixed temperature within a few minutes. 4. Although the car rearview mirror heating is practical, it has limitations in some models. For example, the rearview mirror heating is set to work only when the ambient temperature is below 15 degrees Celsius. 5. Note that rearview mirror heating consumes a considerable amount of electricity. Therefore, when using the rearview mirror heating function, ensure the vehicle is in the started state, and try not to use this function when the car is cold. If the battery is low on charge or malfunctions, the rearview mirror heating may not be activated.
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