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What to Pay Attention to When Sleeping in a Car with Air Conditioning in Summer?

1 Answers

MacTheo

07/30/25 3:36am

When sleeping in a car with air conditioning in summer, pay attention to the following four points: Ensure proper air circulation inside the car: It is best to choose an open area and leave a window slightly open while resting. When the vehicle is stationary, carbon monoxide produced by the engine can enter the cabin. Poor air circulation can lead to dangerously high levels of carbon monoxide, posing a life-threatening risk. Control the air conditioning temperature: The temperature of the car air conditioning directly affects the comfort of passengers. If the air conditioning is set too low for an extended period, it can easily cause occupants to catch a cold. Regularly inspect the exhaust pipe: Remember to check the exhaust pipe periodically. If carbon monoxide from the exhaust leaks into the cabin, it can accumulate and cause poisoning. A damaged exhaust pipe makes it easier for exhaust fumes to enter the car. Avoid resting for too long: When resting in a car with the air conditioning on, the engine idles, leading to incomplete combustion of gasoline and the release of various pollutants, especially carbon monoxide, which can be more than 10 times higher than during normal driving. Try not to rest or sleep in a closed car with the air conditioning on for extended periods. Here’s how to operate the car air conditioning properly: Ventilate before turning it on: Open all four doors and the sunroof for about three minutes to allow air to circulate and quickly lower the cabin temperature. This improves the cooling efficiency of the air conditioning. Use the recirculation mode wisely: Recirculation blocks hot outside air, creating a closed space inside the car. The air inside circulates quickly under the air conditioning’s effect, achieving faster cooling. Turn off the air conditioning in time: If the air conditioning is left on when parking and turning off the engine, it will restart immediately the next time you start the car, placing an instant burden on the engine. Adjust the vents upward: According to the convection principle, hot air rises and cold air sinks. Therefore, after turning on the car air conditioning, it’s best to adjust the vents to blow upward.

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