What is the function of pedestrian protection devices?

[DiArabella]

Pedestrian protection devices are designed to minimize injuries to pedestrians in the event of a collision. They work by using pressure sensors in the front bumper to detect a pedestrian collision. Upon detection, a specialized lifting mechanism quickly raises the engine hood a certain distance, providing more buffer space when a pedestrian's head or torso hits the hood. This helps avoid direct and violent impact with the rigid engine components. Taking Volvo as an example: this system is called the Collision Warning with Full Auto Brake (CWAB), which uses radar and cameras to detect pedestrians in front of the vehicle.