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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

To prevent whiplash injury in a rear-end collision, your headrest should be adjusted so that:

Show Answer & Explanation
Correct Answer: A. The top is at or above the top of your ears

A headrest below the top of the ears fails to catch the head in rear-end impact, allowing the neck to hyperextend — the whiplash mechanism. The top of the headrest should reach ear level or higher.

Why the other answers are wrong

  • B.The bottom is at your shouldersToo low to prevent whiplash.
  • C.It rests against the back of your neckContact at driving is not required; position matters at impact.
  • D.It is as low as possibleLow headrests are a known whiplash risk factor.