Where is the rearview mirror heating button located on the Buick Regal 552t?

[QuinnFitz]

The rearview mirror heating button on the new Buick Regal is integrated with the rear window defogging and defrosting function button. Pressing the rear window defogger button will activate the rearview mirror heating function, which heats the mirror surface to remove fog and frost. Usage method: During rainy or snowy weather, press the rear window defogger button, and the indicator light on the button will illuminate. The heating element will quickly heat up to a fixed temperature within a few minutes, typically between 35-60 degrees Celsius. As the temperature rises, water droplets on the surface will evaporate and gradually diminish, and fog will slowly disappear, allowing the driver to operate the vehicle more safely. How rearview mirror heating works: A heating element (heating film) is installed inside the mirror surface of both side rearview mirrors. When heating is activated, the heating wire generates heat to remove moisture. Since prolonged use of the heating function can damage the heating wire, the heating function will automatically turn off after a short period. If you wish to continue using it, simply turn it on again.

[OAlexandra]

I've been driving a Buick Regal 552t for two or three years, and its rearview mirror heating function is quite practical. The button is located on the driver's side dashboard panel, usually sharing the same button with the rear window defroster. The button icon is a square with wavy lines—just press it once. On rainy or cold days, activating it quickly heats up the rearview mirrors to remove fog and rainwater, providing clearer visibility. I recommend turning it on before entering wet road sections for better effectiveness. Similar cars like Volkswagen also share the button design, but Buick's placement is closer to the steering wheel, making it more convenient to operate. Remember to check if the fuse is functioning properly; otherwise, the heating might fail. Regularly cleaning dust from the button can extend its lifespan and ensure safe driving.

[MacWalker]

When I first got my hands on the Buick Regal 552T, I couldn't find the rearview mirror heating button. Later, I discovered it's located in the air conditioning control area—the button with a wavy line, which doubles as the rear window defroster. The mirrors heat up within seconds after activation, helping me see vehicles behind clearly during rainy or foggy weather. As a new owner, I initially mistook it for a standalone switch and had to consult the manual to understand. Actually, many cars adopt this design—simple and convenient. I frequently use it during winter commutes and find the car's temperature control quite thoughtful, though it's best to avoid frequent toggling to save battery. Overall, the central console placement is intuitive and not complicated.

[Anthony]

The rearview mirror heating button for the Buick Regal 552T is located on the center console, shared with the rear window defroster. The icon is simple and easy to understand. I believe this feature is crucial for safety—it quickly removes fog during rain or snow, preventing blurred vision and accidents. Its central position makes it convenient to operate. It's recommended to maintain the button promptly to prevent malfunction.