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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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Accuracy
Rules of the Road

You must switch from high beams to low beams when an oncoming vehicle is within what distance?

Show Answer & Explanation
Correct Answer: C. 150 metres

Switch to low beams within 150 metres of an oncoming vehicle to avoid blinding the other driver. High beams blind oncoming drivers for several seconds — enough to cause a collision. Courtesy dimming is both legal and practical.