How to replace the air filter in an Audi A4?

I've noticed my Audi A4 has reduced airflow and suspect the air filter needs replacing. How do I properly replace the air filter in my Audi A4?

To replace the air filter in an Audi A4, start by locating the air filter housing, which is typically near the engine. Open the housing and remove the old filter, making sure to note its orientation before removing it. Then, simply replace it with a new filter and close the housing. Remember to check and replace your air filter regularly to keep your engine running smoothly.