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Where is the rearview mirror heating in the Buick Verano?

1 Answers

DelGiselle

07/29/25 5:16pm

The rearview mirror heating switch in the Buick Verano is located directly above the air conditioning fan speed knob. This switch is labeled "rear." When turned on, it activates heating for both the upper and lower rearview mirrors as well as the rear window defroster. A yellow light indicates that the heating is on, while the light turning off means the heating is deactivated. Heating function automatically turns off after a while. Rearview mirror heating is particularly useful during rainy or snowy weather. When activated, the heater behind the mirror quickly warms the surface, gradually removing rain or fog, eliminating the need for the driver to manually wipe the mirrors frequently, thus reducing driving hazards. Methods to use the rearview mirror heating function: There are generally two ways to activate the rearview mirror heating function. 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. No manual angle adjustment is needed; the driver's side has a dedicated adjustment button. 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 (usually between 35-60°C) within minutes. Heat is then distributed across the left and right mirrors. As the temperature rises, water droplets on the mirror surface gradually shrink, and fog slowly dissipates, effectively defrosting the mirrors. However, in heavy rain, the effect may diminish and become less noticeable. Precautions for using the rearview mirror heating function: The heating function works by embedding electric heating wires in the rearview mirror, which consume significant power. Ensure the vehicle is running when using this feature to avoid draining the car battery, which could prevent the car from starting. Other methods to defog rearview mirrors include: Opening windows slightly: Creating a gap in the side windows allows air convection between the inside and outside of the car, reducing temperature differences and gradually eliminating fog. Using car air conditioning: Adjust the car's air conditioning to the appropriate setting to blow warm air for defogging.

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