What should I do when my Audi 80 engine is making strange noises?

I've noticed my Audi 80 engine is making some strange noises lately. It only happens when I first start the car and then goes away after a few minutes. Could this be a sign of a bigger problem? What should I do?

First, it's important to determine the source of the noise. Is it coming from the engine, the exhaust, or somewhere else? If you can't identify the source, it's best to bring your car to a mechanic for a diagnostic check.