If traveling down a hill, a commercial motor vehicle:

Question

When driving a commercial motor vehicle down a hill, you should control the speed by switching into a low gear and supplementing with engine braking. It would be unlawful to coast the vehicle down the grade.

Accepted Answer

May not coast down the grade.

Answer

Should be shifted into a high gear.

Answer

Must be accelerated.

Answer

Should be close to the vehicle ahead.