How to fix a broken headlight unit in my Audi?

My Audi's headlight unit is broken and I want to fix it myself. What tools and steps do I need to take to successfully replace the headlight unit? Any tips or advice?

First, make sure to gather all the necessary tools such as a screwdriver, pliers, and replacement headlight unit. Then, carefully remove the old headlight unit by following the manufacturer's instructions. Replace with the new unit and make sure to secure it properly.