How do I properly maintain the advanced safety features in my Audi A6?

I recently purchased a new Audi A6 and want to make sure that I am properly maintaining all of the advanced safety features, such as adaptive cruise control and lane departure warning. What steps should I take to ensure these features continue to function properly?

First and foremost, make sure to regularly check and update the software for these features. This is crucial for maintaining their accuracy and effectiveness on the road.