Have their exhaust system checked regularly to be sure it does not leak.
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Keep their car turned off when it is enclosed in a garage.
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Close vents when following closely behind another car.
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All of the above.
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Have their exhaust system checked regularly to be sure it does not leak.
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Keep their car turned off when it is enclosed in a garage.
|
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Close vents when following closely behind another car.
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|
All of the above.
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Answer correctly : 0 | Wrong : 0
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