Where is the rearview mirror heating switch in Volkswagen cars?

1 Answers
Shirley
07/29/25 1:55pm
The rearview mirror heating adjustment switch in Volkswagen cars is located inside the driver's side door. On the left side of the driver's seat, there are buttons for window control, and next to them is a round rotary knob, which is the rearview mirror heating switch. Rearview mirror heating is particularly useful during rainy or snowy weather. When activated, the heater behind the mirror quickly warms the mirror surface, gradually removing rainwater or fog, eliminating the need for the driver to frequently wipe the mirror manually, thereby reducing driving hazards. How to use the rearview mirror heating function: The rearview mirror heating function can generally be activated in two ways. One is combined with the electric rearview mirror adjustment button—simply rotate the knob to turn it on. The other is located on the air conditioning control panel—press the heating button to activate it. There's no need to adjust the angle manually, as the driver's side has adjustment buttons. Principle of the rearview mirror heating function: After pressing the button, the electric heater behind the rearview mirror glass rapidly heats up to a fixed temperature within a few minutes, usually between 35-60 degrees Celsius. The heat is then distributed to the left and right rearview mirrors. As the temperature rises and evaporation occurs, water droplets on the mirror surface gradually shrink, and fog slowly dissipates, effectively defrosting the mirror. However, if the rain is particularly heavy, the effect may diminish and become less noticeable. Precautions for using the rearview mirror heating function: The principle of rearview mirror heating involves electric heating wires embedded in the mirror. These wires consume a significant amount of power. Therefore, when using the rearview mirror heating function, ensure the car is in an ignited state. Avoid activating the function while the car is stationary to prevent draining the battery, which could leave insufficient power to start the car. Other methods for defogging rearview mirrors include: Opening windows for air circulation: Slightly opening both side windows allows air to flow between the inside and outside of the car, reducing the temperature difference and gradually eliminating fog. Adjusting the car's air conditioning to the appropriate setting can also help by blowing warm air to defog the mirrors.
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