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Ontario Class D Practice Test · Question

A Class 3 driver wishing to tow a trailer with air brakes generally needs:

Operating any vehicle with full air brakes requires an air brake endorsement.

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Question: A Class 3 driver wishing to tow a trailer with air brakes generally needs:

Answer options:

  • No additional endorsement ✅ An air brake (Q) endorsement
  • A Class 1 licence
  • A motorcycle licence

Correct answer: An air brake (Q) endorsement

Explanation: Operating any vehicle with full air brakes requires an air brake endorsement.

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