Why is riding the brakes on a long downgrade dangerous?
a.It can cause the engine to overheat
b.It causes excessive heat buildup leading to brake fade and possible brake failure
c.It damages the transmission
d.It uses too much fuel
Explanation
Riding the brakes (keeping them applied continuously) on a long downgrade causes excessive heat buildup in the brake drums and linings. This leads to brake fade, where the brakes become less effective, and can ultimately result in complete brake failure.