What is the best way to maintain the engine of a Volkswagen Passat?

I just bought a Volkswagen Passat and I want to make sure its engine lasts for a long time. What should I be doing to keep it in top condition?

Regularly change the oil and air filters to keep the engine clean and running smoothly.

Make sure to use high-quality and properly formulated engine oil that meets the manufacturer's specifications.

Check the fluid levels regularly and top up as needed to ensure optimal engine performance.

Schedule regular maintenance appointments with a certified mechanic to catch any potential issues early.