What does the AC in a car's air conditioning mean?

[McDerek]

The AC in a car's air conditioning refers to the cooling switch of the vehicle's air conditioning system. When the AC light is on, it indicates that the air conditioning compressor is activated, which increases the engine load. The full name of a car's air conditioning is the vehicle air conditioning system, which consists of a refrigeration system, heating system, air purification device, and control system. It is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the car cabin to an optimal state. Solutions for air conditioning not cooling: 1. Add refrigerant; 2. Check if there is any damage to components such as the pipes, air conditioning pump, condenser, or evaporator in the car's air conditioning system that may cause refrigerant leakage; 3. Check the compressor; 4. Clean or replace the air conditioning filter.