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BDifficulty 2/5

What is the main function of a vehicle’s parking brake?

Correct answer

Keep the parked vehicle stationary.

To help keep a parked vehicle stationary. It must be correctly applied and in good condition; it does not by itself guarantee holding on every slope. Also follow prescribed parking measures and manufacturer instructions, including the appropriate gear or parking position. On significant slopes, specified heavy vehicles and vehicle combinations also require the precautions in Article 92.3.

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  • Routinely replace the service brake while driving.

  • Control speed on every descent as the main brake.

  • Keep the parked vehicle stationary.

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