Correct answer
Use a shorter gear ratio.
When going down a long slope, in order to stop the vehicle from gradually gaining speed as you descend, it is advisable to use engine braking to control the speed, using a shorter gear ratio, so as not to wear out and overheat the braking system, especially when approaching slow bends.
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Use the handbrake from time to time.
Press the clutch pedal.
Use a shorter gear ratio.
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