You are driving a heavy truck down a steep and long descent. When should you shift to an appropriate low gear?

Choose an answer to test yourself:

1. AThe gears are insignificant for slowing down, but you must use the speed retarders intelligently.
2. BThere is no need to shift to low gear. You should shift to high gear and regulate your speed with the speed retarder, to increase safety.
3. CYou should shift to low gear towards the end of the descent.
4. DYou should shift to low gear at the beginning of the descent.

Topic: Safety · עברית