What does the mode button on a car air conditioner mean?

1 Answers
HarleyRose
07/30/25 6:11am
The mode button on a car air conditioner is used to switch the air outlet mode of the car air conditioner. The function of the car air conditioner is to provide cooling or heating, making it a comfort feature. Equipping a car with an air conditioner enhances comfort during driving or riding. The heating principle of a car air conditioner is quite simple: when the heating function is turned on, the high-temperature coolant from the engine flows through the heater core, and the air blown by the blower passes over the heater core, allowing warm air to be blown out from the air conditioner vents. Other letters on the car air conditioner and their meanings: 1. The AC button is the switch for the air conditioner compressor; 2. When the MAX function is activated, the car's air conditioner operates at full capacity with the fan at maximum speed; 3. FRONT is the front window defrost switch; 4. REAR is the rear window defrost switch.
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