What is the best way to maintain my Volkswagen Golf's engine performance?

I just purchased a used Volkswagen Golf and want to make sure my engine stays in top shape. What maintenance tips do you recommend?

Regularly change your oil and have your air filter replaced to keep your engine running smoothly.

Make sure to check your tire pressure and have your wheels aligned to improve fuel efficiency and keep your engine healthy.

Consider using fuel additives to keep your fuel system clean and prevent buildup in your engine.