What is the external circulation symbol for vehicle air conditioning?

3 Answers
MacMarcus
07/28/25 9:28pm
The button with an arrow pointing directly from outside the vehicle represents the external air circulation mode when pressed, indicating that air is drawn from outside. The button with an arrow inside the vehicle represents the internal circulation mode when pressed, meaning the air circulates within the car. Using external circulation allows you to breathe fresh air from outside. Additional information: Below are precautions for using car air conditioning: 1. Do not set the temperature too low. 2. Control the direction of the air vents. 3. Avoid prolonged use. 4. Occasionally use higher fan speeds. 5. Turn off the air conditioning when driving at low speeds.
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MaciFitz
08/12/25 1:02am
The symbol for the car air conditioning's external circulation mode looks like a small car icon with an arrow pointing from the outside into the car, somewhat resembling the flow of outside air into the vehicle. Having driven many cars, I've noticed the button is usually located in the middle of the air conditioning control panel. Pressing it switches between internal and external circulation modes. Personally, I prefer using external circulation when driving in the city or when the air quality is good. It allows fresh air to enter, reducing stuffy odors and significantly improving ventilation inside the car, which helps prevent drowsiness during long drives. On rainy or foggy days, switching to external circulation can also prevent window fogging, enhancing safety. Fellow drivers should pay attention to the location of this symbol; with a few uses, you'll get familiar with it. It's also important to keep the air conditioning system clean—don't let a clogged filter affect your experience. Regular checks can help reduce malfunctions.
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ColemanAnn
10/01/25 2:18am
The symbol for the car air conditioning's external circulation mode is simply a silhouette of the car body with a small arrow pointing inside, indicating the introduction of outside air. I often use this feature while driving, especially during outdoor road trips, as it helps bring in fresh air and prevents fatigue or dizziness caused by high carbon dioxide levels inside the car. The switching operation is straightforward—just locate the icon in the air conditioning button area and press it. It's recommended to use it in combination with road conditions: for example, use external circulation on highways or in suburban areas, while switching to internal circulation in congested urban areas or polluted zones for better health. Also, don’t forget to maintain the air conditioning filter—replace it every six months to ensure sufficient airflow and prevent system blockages that could lead to odor issues. This way, the air conditioning system will last longer, saving you both hassle and money.
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