Turns and lanesQuestion 189 of 310

Your inside rearview mirror shows traffic behind you. What does a shoulder check add?

  1. It shows traffic far ahead
  2. It shows the speed of the cars behind
  3. It shows the road signs at the side
  4. It shows vehicles in your blind spots
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Correct answer: It shows vehicles in your blind spots

Mirrors leave blind spots. A shoulder check with both mirrors lets you see all three areas.

Source: Driver's Handbook (Manitoba Public Insurance, February 2026), Blind spots, page 42

Practice turns and lanes

Questions last reviewed: 18 October 2026