How to Switch Between Internal and External Air Circulation?
2 Answers
Switching between internal and external air circulation depends on the external environment. If the outside air quality is good, you can use external circulation. If the outside air quality is poor, it is recommended to use internal circulation. Learning to correctly use the car's internal and external circulation is very important for driving safety, as it not only affects the in-car environment but also impacts driving safety. When using the heater in winter, if it feels too hot, you can turn off the fan and switch to external circulation to maintain a comfortable temperature while ensuring fresh air. If the air conditioning is used to lower the in-car temperature, avoid using external circulation; instead, periodically switch to external circulation briefly to refresh the air.
As a frequent city driver, switching between air recirculation and fresh air modes is second nature to me. The operation is straightforward: simply locate the button on the climate control panel, usually marked with an arrow inside the car or a similar icon. Press it once to activate recirculation mode, and press again to return to fresh air mode. I primarily use recirculation in heavy traffic or poor air quality to minimize dust and pollutants entering the cabin. On clear days or during highway driving, I switch to fresh air mode for better ventilation and comfort. Additionally, fresh air mode proves particularly effective on rainy days by preventing windshield fogging and enhancing safety. Regular cabin air filter replacement is crucial for maintaining air quality. My routine involves initially using recirculation for rapid temperature adjustment upon starting the vehicle, then switching to ventilation after a few minutes to reduce AC workload. This practice not only improves driving comfort but also safeguards passenger health – especially important when traveling with friends, when proper air circulation requires extra attention.
