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Prince Edward Island · Knowledge Test · Instruction Permit · Highway Safety Division

Prince Edward Island Knowledge Test — Instruction Permit Practice Question

Knowledge test administered by Highway Safety Division for the Instruction Permit licence. 40 questions, 80% to pass.

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Accuracy —
Rules of the Road

Engine braking (downshifting) on a long PEI downgrade:

Show Answer & Explanation
Correct Answer: B. Helps control speed and prevents service-brake overheating

Continuous service-brake use on long grades causes fade; engine braking prevents this.

Why the other answers are wrong

  • A.Damages the engineEngine braking is a designed function — it doesn't damage the engine.
  • C.Drains the batteryBattery drain isn't involved in engine braking.
  • D.Is only for manual transmissionsAutomatic transmissions can also be manually downshifted.