What are the common issues that can cause the Audi A2's engine to overheat?

I've been experiencing engine overheating in my Audi A2 and I'm not sure what the cause could be. The temperature gauge in my car has been frequently hitting the red zone. What are the potential reasons for this problem and how can I prevent it in the future?

One of the most common reasons for engine overheating in the Audi A2 is low coolant levels. It's important to regularly check and top up your coolant to prevent overheating.