New Brunswick Knowledge Test Coach
Safe drivingQuestion 260 of 309

Why must you never run the engine in a closed garage?

  1. The engine will freeze
  2. The battery will lose charge
  3. Exhaust has carbon monoxide, which is a hazard
  4. The tires will get hot
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Correct answer: Exhaust has carbon monoxide, which is a hazard

Exhaust gas contains carbon monoxide. In a closed space it can make you ill or kill you.

Source: New Brunswick Driver's Handbook (Government of New Brunswick, 2022), 5.5 Preparing your vehicle for winter driving, page 57

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Questions last reviewed: 18 October 2026