What do I need to know about the Audi A2's engine?

I just bought an Audi A2 and I'm wondering about the specifics of its engine. Can you provide some key features and maintenance tips for the engine?

The Audi A2 has a supercharged 1.4-liter inline-four engine that delivers excellent fuel efficiency and good power. As for maintenance, make sure to change the oil every 5,000 miles and check the spark plugs regularly to ensure smooth engine performance.

One important thing to note is that the Audi A2's engine is susceptible to water damage. Make sure to keep the engine bay free of water, especially when driving through deep puddles or flooded areas.