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Rhode Island Operator License Knowledge Exam Practice
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Weather, Visibility & EmergenciesStandalone practice
On a cold day, you drive with all windows closed and the heater on. You begin to yawn and feel dizzy and sick to your stomach. What could be the cause, and what should you do?
Correct answer: Carbon monoxide; open the windows and have the exhaust checked.
Why
Carbon monoxide comes from engine exhaust and can enter the car through a leaking muffler. The risk is highest in cold weather, when the windows stay closed. Do not let the engine idle for a long time with the windows closed, and have the exhaust system checked regularly.
Verified against Rhode Island Driver's Manual online version · Carbon Monoxide Poisoning · p. 47
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