What must be added to vehicles with a maximum authorized mass of more than 3,500 kg when they stop on a slope?
Vehicle immobilizations
Explanation
For vehicles over **3,500 kg of MMA** that stop on a slope, it is essential to ensure they do not move involuntarily. An effective way to achieve this is by using **wheel chocks**. Wheel chocks are wedges placed between the vehicle's wheels and the road, providing a physical barrier that prevents the vehicle from moving.
- **Wheel chocks**: These are specific tools designed to keep the vehicle stationary on slopes. Stones or other improvised objects should not be used, as they do not offer the same safety and stability.
- In addition to wheel chocks, drivers of heavy vehicles can choose to rest one of the front wheels on the curb, adjusting the direction of the wheels according to the slope's inclination. However, wheel chocks are a more direct and secure measure to prevent unwanted movement.
Therefore, to ensure safety when parking on a slope, especially with heavy vehicles, it is essential to use **wheel chocks**.
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