How does the Audi A8 achieve its impressive safety ratings?

I've heard a lot about the Audi A8's excellent safety ratings, but I'd like to know the specific features that contribute to its safety. Can you give me an overview of the safety technology used in the Audi A8?

The Audi A8 is equipped with a variety of advanced safety features, such as pre-sense technology, which uses sensors to detect potential collisions and activates protective measures to mitigate the impact. Additionally, the vehicle is constructed with a strong and rigid frame that helps to minimize the impact of accidents.