![Penn Trauma Center on Twitter: "You can't see it or smell it, but you can protect yourself against it. Prevent carbon monoxide poisoning by knowing the signs and turning off your car Penn Trauma Center on Twitter: "You can't see it or smell it, but you can protect yourself against it. Prevent carbon monoxide poisoning by knowing the signs and turning off your car](https://pbs.twimg.com/media/EtGcgpvW4AMsteB.png)
Penn Trauma Center on Twitter: "You can't see it or smell it, but you can protect yourself against it. Prevent carbon monoxide poisoning by knowing the signs and turning off your car
![How fast do vehicles fill up with carbon monoxide with snow-clogged tailpipes? Eyewitness News put it to the test - ABC7 New York How fast do vehicles fill up with carbon monoxide with snow-clogged tailpipes? Eyewitness News put it to the test - ABC7 New York](https://cdn.abcotvs.com/dip/images/1176319_012716-carbonmonoxidetest.jpg?w=1600)
How fast do vehicles fill up with carbon monoxide with snow-clogged tailpipes? Eyewitness News put it to the test - ABC7 New York
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