Can You Suffocate from Sleeping in a Car?

1 Answers
EdwardRose
07/30/25 8:47am
Sleeping in a car is unsafe and may pose risks of poisoning or suffocation. Here are precautions for resting in a vehicle: 1. Ventilate by opening windows: Leaving a small gap can facilitate air circulation. Whether in hot summer or cold winter, this gap might be your lifeline. 2. Activate the external air circulation mode: Many drivers habitually use internal air circulation with the AC, which isn't wrong, but it's advisable to switch to external circulation when resting. 3. Regularly check for exhaust pipe leaks and window seals: Carbon monoxide from vehicle exhaust can accumulate inside if it leaks, increasing the risk of poisoning. A damaged exhaust pipe makes it easier for exhaust to enter the car, raising hazards. Keeping windows closed is also for this reason. 4. Park in open outdoor areas whenever possible: Confined spaces are more prone to carbon monoxide buildup, and underground parking garages often have poor air circulation. When resting, park the vehicle in an open outdoor area to ensure fresh air flow.
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