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Missouri Class F Written Test Practice
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Vehicle Safety, Documents & TowingStandalone practice
It is a cold morning, and you want to warm up the car before a trip. Which choice avoids carbon monoxide poisoning?
Correct answer: Back the car out of the garage before you let the engine run
Why
Carbon monoxide is a deadly gas in engine exhaust. Besides keeping running engines out of garages, do not leave the motor running with the windows closed when parked, do not follow closely with the vents open, and repair a damaged muffler or exhaust system. If you think exhaust is getting into the car, open a window and get fresh air right away.
Verified against Missouri Driver Guide · Carbon Monoxide · p. 61
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