What should I do if my Audi A8 is making strange noises?

I've had my Audi A8 for a few months now and recently, I've noticed that it's been making some unusual sounds when I drive. I'm not sure what's causing it, but it's really starting to worry me. What could be the problem and what steps should I take to fix it?

First, try to locate where the noise is coming from. Is it from the engine, the tires, or somewhere else? Once you have a better idea of where the noise is coming from, you can start to narrow down the potential causes.