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Does turning on the car air conditioning without starting the engine damage the car?

1 Answers

KhloeAnn

07/29/25 9:27pm

Turning on the car air conditioning without starting the engine can damage the car. The car battery will be depleted, making it difficult to start the engine. When the air conditioning is turned on without the engine running, the air blown out is just natural air from the blower, as the air conditioning compressor is powered by the engine. Here is some information about car air conditioning: 1. Introduction: The car air conditioning system, abbreviated as car AC, is used to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to the optimal state. It provides a comfortable environment for passengers, reducing travel fatigue, and creates good working conditions for the driver, playing an important role in ensuring safe driving. It generally includes a cooling device, heating device, and ventilation device. This combined system makes full use of the limited space inside the car, has a simple structure, and is easy to operate, making it a popular modern car air conditioning system internationally. 2. Functions: The functions of automatic air conditioning include automatic adjustment of interior temperature and humidity, automatic control of air recirculation and supply modes, and control of operation modes and ventilation volume. The electronic control unit will operate the air conditioning system automatically based on the settings made by the driver or passengers via the buttons on the air conditioning display control panel. It will also adjust the air supply temperature and speed in real-time based on signals from various sensors to maintain the best air environment inside the car.

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