What are common issues with the Audi A2's cooling system and how can they be repaired?

I have noticed that my Audi A2's engine temperature has been fluctuating more than usual and I suspect there may be an issue with the cooling system. What are some common problems with the cooling system in Audi A2s and how can they be fixed?

One common issue with the Audi A2's cooling system is a leak in the radiator. This can cause overheating and potential engine damage. To repair this, it is important to identify the source of the leak and replace the radiator if necessary. Regular maintenance checks can help prevent this issue before it becomes a bigger problem.

Another issue could be a malfunctioning thermostat, which regulates the engine's temperature. If the thermostat is stuck open, the engine may never reach optimal operating temperature, causing poor fuel efficiency and potential overheating. Replacing the thermostat is a relatively simple and inexpensive fix.