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Ontario · G1 Knowledge Test · G1 · DriveTest (MTO)

Ontario G1 Knowledge Test — G1 Practice Question

Knowledge test administered by DriveTest (MTO) for the G1 licence. 40 questions, 80% to pass.

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Emergency Situations

You should never leave your vehicle's engine running in a closed garage because:

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Correct Answer: B. Carbon monoxide is a deadly, odourless gas

Carbon monoxide (CO) is colourless, odourless, and fatal. A running engine in a closed garage produces lethal levels in minutes. Even with the garage door open, cold-start idle warming should be avoided in attached garages.