Take This Cdl Test To See If You'Re Eligible To DriveWhy should you avoid using your brakes too much on a long downhill grade?52%Next Correct Incorrect On long hills, overusing brakes leads to "brake fade"—they lose power when too hot. Why should you avoid using your brakes too much on a long downhill grade? It ruins fuel economy Brake lights confuse drivers Brakes can overheat and fail It wears out your clutch 52%