Which buttons to press for defogging in rainy weather?

2 Answers
SanLydia
07/23/25 11:52pm
To defog your car in rainy weather, press the windshield heating button and the front windshield defrost button, which are marked with symbols resembling a windshield. The reason for fogging in rainy weather is the temperature difference between the inside and outside of the car, where the inside temperature is higher than the outside, causing water molecules in the air inside to condense into mist upon cooling. Methods to defog your car in rainy weather include: 1. Wipe clean with a towel; 2. Turn on the car's heater to clear the fog; 3. Use the air conditioning's cooling and dehumidifying function to reduce air humidity; 4. Apply an automotive glass anti-fog agent. Maintenance methods for car window glass include: 1. Use appropriate glass cleaner according to the season; 2. Apply automotive glass insulation film. The functions of car window glass are: 1. To shield against wind and rain, and reduce noise; 2. To lower wind resistance and improve airflow; 3. To protect the safety of passengers inside the car.
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EstherDella
08/10/25 7:39pm
When driving in the rain and fogging occurs, I first need to locate the defogging button on the air conditioning control panel. It usually features a fan-shaped icon representing the front windshield. Pressing it typically activates the fan automatically. It's also important to turn on the A/C switch (air conditioning compressor) since cold air can quickly dehumidify and remove fog. Additionally, switch to the external circulation mode to allow dry outside air to enter, reducing internal moisture condensation. Don't forget to use the rectangular icon button for rear window defogging as well. Heavy fog in rainy conditions severely impairs visibility and is very dangerous. I recommend operating these controls calmly, ensuring the fan is set to a moderate speed and the temperature is adjusted to a medium-low range for optimal results. If the fog persists, slightly opening the windows to assist ventilation can also help. The entire process should be performed quickly and proficiently, with safety as the top priority.
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