Will the car battery drain if the air conditioning is left on when the engine is turned off?

[Hayden]

Leaving the car air conditioning on when the engine is turned off will continue to drain the battery. The reasons are as follows: 1. Key in the OFF position: It won't consume too much power. 2. Key in the OFF position: Prolonged use will cause excessive drain on the battery. Information about car air conditioning is as follows: 1. Car air conditioning: Refers to the air conditioning device installed in the car, which can cool, heat, ventilate, and purify the air inside the cabin, providing a comfortable environment for passengers, reducing driver fatigue, and improving driving safety. 2. Components: Generally includes cooling devices, heating devices, and ventilation devices. This integrated system makes full use of the limited space inside the car, with a simple structure and easy operation.