How does the pre-sense system in Audi A8 work?

I've heard a lot about Audi's pre-sense system but I'm not sure how it actually works. Can you provide a detailed explanation?

The pre-sense system in Audi A8 uses a combination of sensors, cameras, and radar technology to detect potential collisions and automatically apply the brakes if necessary. It also prepares the car for impact by closing windows and tightening seatbelts.

To put it simply, the pre-sense system is like a co-pilot for your car. It helps to keep you safe on the road by actively monitoring the surroundings and taking action when needed.