What maintenance tasks are necessary for the Audi A3's engine?

I've recently purchased an Audi A3 and want to make sure I properly maintain the car's engine. What specific tasks do I need to regularly perform for optimal engine performance?

It's important to regularly check and change your Audi A3's engine oil according to the manufacturer's recommendations. This helps to keep the engine running smoothly and prevents excess wear and tear. Additionally, make sure to check and replace the air filter and spark plugs as needed to maintain proper combustion and air intake in the engine.