When you drive downhill, which TWO of the following are the safest methods to drive? : South Korea - Driver's license exam test, 2024 - 431

431. When you drive downhill, which TWO of the following are the safest methods to drive?

Only use the foot brake because shifting gears is not necessary.
If an emergency situation occurs, use the parking brake immediately.
Use the same gear you used when driving up the slope.
Use both the foot brake and engine brake properly.

Answer : 3, 4