How to Use the Internal and External Air Circulation of Car Air Conditioning?
1 Answers
The usage methods of the internal and external air circulation of car air conditioning: 1. After the vehicle has been exposed to the sun outdoors, first turn on the external circulation to ventilate and dissipate heat when getting in the car. You can also open the windows and sunroof to speed up heat dissipation. After 3 to 5 minutes, when the interior temperature has basically stabilized, close the windows, turn on the cooling, and switch the air conditioning to internal circulation. 2. In cold weather, wait a moment after getting in the car until the engine temperature reaches the normal level. Then, turning on the heater with internal circulation can quickly raise the temperature. 3. During traffic jams, turn off the external circulation to block the exhaust fumes from the vehicle in front. 4. When driving at high speeds, you can turn on the external circulation as needed. Prolonged use of internal circulation at high speeds can lead to stale air inside the car, so switching to external circulation helps maintain the interior temperature while providing fresh air. 5. When parked, if you need to rest in the car with the air conditioning on, be sure to periodically turn on the external circulation or leave a small gap in the window.
