How does the Audi A7 Proximity Sensors work?

Can someone explain how the proximity sensors on an Audi A7 work? Do they use radar, sonar, or another technology, and how do they assist with parking and detecting objects?

The Audi A7 uses a combination of ultrasonic sensors, cameras, and radar sensors to assist with parking and object detection. The sensors emit and receive signals that bounce off objects, allowing the car to detect the distance and location of surrounding objects.

The Audi A7's proximity sensors uses a combination of technologies including radar, cameras, and ultrasonic sensors. The sensors work together to provide 360-degree coverage around the car, assisting with parking and detecting objects.