When driving on a steep downgrade, what is the proper technique to control speed?
a.Use only the brakes to control your speed
b.Shift to a lower gear before the descent and use engine braking
c.Put the transmission in neutral and coast
d.Maintain your highway speed and brake at the bottom
Explanation
Before starting down a steep grade, you should shift into a lower gear that will allow the engine to help control your speed. Use engine braking (and the engine brake or jake brake if equipped) as the primary method, applying the service brakes only as a supplement.