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Will You Suffer from Oxygen Deprivation When Staying in the Car for a Long Time?

1 Answers

Shannon

07/30/25 10:19am

Staying in the car for a long time will not cause oxygen deprivation. However, if the windows are closed and the air conditioning is set to recirculate the interior air, there is a possibility of oxygen deprivation or carbon monoxide poisoning. Therefore, when staying in the car for an extended period, it is advisable to switch the air conditioning to the external circulation mode to allow air exchange between the inside and outside of the car, or simply open the car windows to ensure proper air circulation. Below are the functions of a car air conditioning system: 1. Temperature Regulation: This is the primary function of car air conditioning. In summer, the cooling system generates cold air to lower the temperature inside the car. In winter, except for large commercial vehicles that use independent combustion heaters, most vehicles utilize the residual heat from the engine for heating. 2. Humidity Regulation: Humidity significantly affects passenger comfort. The humidity inside the car should generally be maintained between 30% and 70%. Standard car air conditioning systems do not have the capability to regulate humidity; this can only be achieved through ventilation systems or advanced luxury cars equipped with integrated heating and cooling air conditioners. 3. Airflow Regulation: The speed and direction of airflow greatly influence comfort. If the air is blowing directly, the speed should be limited to a certain range when the temperature is appropriate. The airflow speed can be adjusted according to passengers' living environments, ages, health conditions, and personal preferences for warmth or coolness. 4. Air Purification: The quality of air inside the car is crucial for ensuring comfort.

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