Why should you select a lower gear before starting down a long grade rather than relying on the brakes for the whole descent?

Pick an answer

1. Continuous braking can overheat the brakes and cause them to fade or fail
2. Lower gears are only useful on wet roads, not dry grades
3. It only matters for vehicles without engine brakes at all
4. Gear selection has no effect on brake temperature during a long descent

Correct!

Not quite. The correct answer is highlighted.