What are some key safety features of the Audi A4?

I'm interested in purchasing an Audi A4 and I want to make sure it has the necessary safety features to keep me and my passengers safe.

The Audi A4 comes equipped with a variety of safety features such as automatic emergency braking, blind-spot monitoring, and lane departure warning. It also has an advanced airbag system in case of a collision.

In addition to its standard safety features, the Audi A4 also offers optional safety upgrades such as adaptive cruise control and a 360-degree camera system for added peace of mind while driving.