Which of the following activities should you do to initiate engine braking?

Explanation

Correct answer: Shift down gear so that engine revolutions increase.

Engine braking consists of using the internal resistance of the engine to slow down the vehicle, without using the service brake. Changing down to a lower gear causes the engine to run at higher revs at the same vehicle speed, which generates significantly more resistance. It is this increased internal resistance of the engine that effectively reduces speed, which is particularly useful on long downhill slopes.

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