How does the Audi A7's adaptive cruise control work to mitigate collisions?

I have heard that the Audi A7 is equipped with an adaptive cruise control system, but I am curious about its capabilities in terms of reducing the risk of collisions. How does this feature work and is it effective?

The Audi A7's adaptive cruise control uses sensors and cameras to maintain a safe distance from the vehicle in front, automatically adjusting the car's speed. In addition to this, it also has collision avoidance technology, which can alert the driver and apply brakes if there is an imminent risk of a collision.

The adaptive cruise control in the Audi A7 is designed to reduce the stress of driving in heavy traffic. It automatically keeps the car at a safe distance from the vehicle in front, reducing the likelihood of rear-end collisions.