British Columbia ICBC Knowledge Test — Class 7L Practice Question
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Accuracy —
Emergency Situations
On a long, steep downgrade, the safest way to control speed is to:
Show Answer & Explanation
Correct Answer: B. Shift to a lower gear to use engine braking
Continuous brake use on long downgrades overheats the brakes and causes brake fade. A lower gear lets the engine itself slow the vehicle, keeping the brakes cool for emergencies.
Why the other answers are wrong
- A.Keep constant pressure on the brakesSteady pressure causes fade.
- C.Put the transmission in neutralNeutral removes engine braking.
- D.Turn off the engineEngine off disables brake assist.
