Why is my Audi A1 engine making a rattling noise?

I have noticed that my Audi A1 engine has been making a rattling noise recently. It seems to only happen when the engine is cold and goes away once it warms up. What could be causing this and is it something I should be worried about?

Hi Samantha, there are a few possible reasons for the rattling noise coming from your engine. One possibility is that you have low oil levels or dirty oil. I would recommend checking your oil levels and getting an oil change if necessary. Another possibility is that you have a loose or worn out belt. I would suggest having a mechanic check your belts to make sure they are in good condition. It could also be an issue with the timing chain, which may need to be replaced. It's always best to have a professional diagnose the issue for a proper solution.