How to Use the Exterior Mirror Heating Function on the Buick Excelle?

2 Answers
JaceLee
07/24/25 5:47pm
The exterior mirror heating function on the Buick Excelle shares the same switch with the rear window defroster. Simply press the rear window defroster button on the vehicle's center console, and the mirror heating function will automatically activate. The LED indicator on the button will light up to indicate that the function is enabled. The heating function operates when the engine is running and will automatically turn off after a short period. Below is how the car's mirror heating works: an electric heating element (heating film) is installed inside the mirror glass on both sides. During rainy or snowy weather, when the driver activates the mirror heating function, the heating element quickly warms up to a set temperature, typically between 35-60 degrees Celsius, within a few minutes. This helps to defog and defrost the mirrors, providing significant convenience for the driver.
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LaJames
08/11/25 9:51am
I've been driving my Buick Excelle for several years, and the rearview mirror heating is one of my favorite features, especially during rainy days or winter fog. The operation is straightforward: after starting the engine, locate the button on the air conditioning control panel marked with the rear window defroster symbol, which usually looks like a wavy line or a square with diagonal lines. Pressing it activates not only the rear window heating but also the heating for the exterior rearview mirrors. Within about two to three minutes, water droplets or fog on the mirrors will disappear, providing clear visibility instantly. I often turn it on before setting off to avoid the risk of wiping the mirrors while driving. A quick tip: don’t confuse it with other buttons, like the fan switch, which is usually located in the left or right corner of the panel. The integrated design of this feature in the Buick Excelle is excellent, helping me deal with harsh weather safely and effortlessly. Familiarize yourself with the button positions, and you’ll be able to activate it with just one press.
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