How to Use the Car Defogging Function Correctly?

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Correct usage of the car defogging function: Turn off the AC switch, adjust to the defogging and upward air flow mode. If the rear window is fogged, turn on the separate defogging function. The vehicle defogging mainly blows out dry air to remove the fog. In winter, the outside air is relatively dry, but the temperature can be increased to blow out warm, dry air. Besides the defogger, there are other methods for car defogging: If the fog inside the car is not heavy, you can open a small gap on both side windows to allow air convection between the inside and outside of the car, which will reduce the temperature difference and the fog will gradually disappear.