How to Turn on the Car Air Conditioning in Summer?

2 Answers
DanielFitz
07/29/25 3:13am
When using the car air conditioning in summer, you can first turn on the external circulation or open the windows for ventilation, then switch to internal circulation. Here is some relevant information: 1. Appropriate Temperature: Choosing the right air conditioning temperature is the first step in maintaining the system. Due to the hot weather, many car owners prefer setting the temperature too low, which can affect health. Normally, the temperature inside the car should be 5°C to 6°C lower than the outside temperature, meaning the optimal air conditioning temperature is between 18°C and 25°C. 2. Adjusting the Air Vent Direction: Remember the principle that cold air sinks and hot air rises. The rule for car air conditioning vents is: point them upward when cooling and downward when heating.
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MacMiles
08/12/25 7:04am
Don't rush to turn on the AC when you first get in the sweltering car! I always start the engine and let the RPM stabilize first, then open all windows and the sunroof to vent the hot air. Wait about three minutes before pressing the AUTO button on the center console - the AC will start working automatically. Setting the temperature dial to around 24°C is most comfortable, as the fan speed adjusts itself. If the sun is particularly intense, I turn on recirculation mode for faster cooling, but switch to fresh air mode after half an hour to ventilate, otherwise the cabin gets stuffy. Remember to have mechanics check the cabin air filter during each maintenance - last time mine was clogged and the vents blew out dusty air. Turn off the A/C five minutes before parking while keeping the fan on to prevent mold in the ducts.
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