Sharing the roadQuestion 283 of 412

A large truck ahead slows down, but its brake lights stay off. What may the driver be using?

  1. An engine retarder or the gears
  2. The parking brake
  3. The four-way flashers
  4. The turn signal
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Correct answer: An engine retarder or the gears

Large vehicles can slow without the brakes. Watch ahead and listen to the engine.

Source: Learn to Drive Smart (ICBC, 2026), Chapter 6, Sharing the road, page 91

Practice sharing the road

Questions last reviewed: 18 October 2026