How does the Audi A7 All-Wheel Steering work?

I'm curious about the All-Wheel Steering feature in the Audi A7. How does it work and what are the benefits?

The Audi A7 All-Wheel Steering system uses electronic actuators to turn the rear wheels in the opposite direction of the front wheels at low speeds, making the car more agile and easier to maneuver in tight spaces.

At higher speeds, the rear wheels turn in the same direction as the front wheels, providing greater stability and handling.