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What Happens If the Car Is Turned Off Without Turning Off the Air Conditioning?

1 Answers

VonTessa

07/30/25 1:39am

Leaving the air conditioning on when the car is turned off can affect the engine and battery. If the air conditioning is not turned off before shutting down the car, the air conditioning system will automatically start working the next time the vehicle is started. This places an additional burden on the engine, causing an instant high power load, which over time can lead to engine component wear, increased carbon deposits, and battery drain. When using the car air conditioning, it is advisable to periodically set the air conditioning to the maximum setting for about 10 minutes to effectively prevent dust accumulation. Alternatively, cleaning the air filter during car washing or using an air conditioning cleaner when possible can also be beneficial.

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