How to Use the Internal and External Air Circulation in a Car?

1 Answers
Marcus
07/29/25 7:59pm
To use the internal and external air circulation in a car: 1. Start the vehicle to activate the air conditioning for cooling or heating. 2. Simply turn the adjustment knob, and the display will show the temperature while the car's circulation function is activated. 3. Turn on the A/C switch to make the blower work. 4. Rotate the knob—typically, the left side is for cooling (blue indicator) and the right side is for heating (red indicator). Choose according to the weather. 5. Adjust the air circulation inside the car; there are external and internal circulation functions. For cooling, you can switch to internal circulation, while for ventilation, use external circulation.
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