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Innovation

Braking when space is tight

This time, in the Our Assistants series, we explain the maneuver braking function.

Maneuvering in reverse is a discipline that has to be mastered. You only need to brake one second too late and you’ve already chipped the paint on the bumper or scratched the wing panel. This is exactly the right time to use the maneuver braking function. It supplements the ParkPilot parking distance warning system, and prevents the driver from causing such collisions. First, though, back to the start. “The ParkPilot produces acoustic and optical signals to warn about obstacles, and thus helps the driver with parking and maneuvering,” says developer Thorben Günzel.

An audible tone is used by the electronic assistant to signal how much room the driver has left at the front, the sides and the rear. The frequency of the signal tone increases the closer the vehicle gets to an obstacle. Once the distance falls below 30 centimeters, a continuous tone sounds. But that’s not all. The distance remaining to the obstacle is also indicated to the driver in the display, depending on which radio system model is installed. If a collision is likely, then the maneuver braking function intervenes.

Emergency braking at the last possible moment allows the assistant to reduce the severity of a collision, or even to prevent it altogether. Maneuver braking is active when reversing, at a speed from 1.5 to 10 km/h, and when driving forwards, from 2.5 to 10 km/h. When the function is not required, then it can be disabled temporarily or permanently – either by using the radio system or by using a button.

“Maneuver braking protects the driver from a collision. It prevents unpleasant damage to the bumper, and to any objects near the vehicle,” says developer Lynn Brennecke.

THE EXPERTS

Lynn Brennecke studied mechanical engineering, specializing in aerospace technology, before joining Volkswagen in 2015. She is now responsible for maneuver braking within electrical/electronic development. 

Thorben Günzel is a mechanical engineer and joined Volkswagen in 2014. He is responsible for the ParkPilot within electrical/electronic development.