Why is my Audi A5's engine making a strange ticking sound?

I recently noticed my Audi A5's engine making a strange ticking sound while idle. This has never happened before and I'm concerned it may be a sign of a bigger issue. What could be causing this and how should I address it?

The ticking sound could be a sign of low oil pressure, which can be a result of a leak or a faulty oil pump. I would recommend checking your oil level and pressure to determine if this is the issue.

Another possibility is that one of your engine's components, such as the valves or camshaft, could be worn or damaged. This can also cause a ticking sound. I would suggest taking your car to a mechanic for further diagnosis.

It's also possible that the sound is coming from a loose or worn out belt in the engine. I would recommend checking all of your belts and replacing any that appear worn or damaged.