What does the AC button on the car air conditioner mean?

1 Answers
MacBentley
07/29/25 8:18pm
The AC button on the car air conditioner is the switch for the vehicle's air conditioning compressor, and its function is to control the turning on and off of the vehicle's compressor. Here are some usage tips: 1. During hot summer weather: Of course, you should turn on the AC button, at which point the compressor inside the car will start working, blowing out cold air. However, after running the air conditioner for a while, the temperature inside the car will quickly drop. When the temperature gets too low, reset the 'AC' button to allow the air temperature to naturally and slowly rise. Since the temperature knob is set to the lowest, it is already cool air, and with the residual cooling effect, it can effectively maintain a comfortable temperature inside the car for a long time. When the temperature inside the car rises to the point where it feels a bit hot again, press the 'AC' button once more to lower the temperature. 2. During cold winter weather: When using the car heater, the AC light being on does not help with heating at all. Instead, it causes unnecessary power loss due to the compressor running. Therefore, in northern winters when using the car heater, you can completely turn off the AC without any effect on the heating function.
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