What are the most common mechanical issues in the Audi A2 and how can they be prevented?

I've been considering buying a used Audi A2, but I've heard they can have some mechanical problems. Can you provide some specific examples and tips on avoiding them?

One of the most common issues in the Audi A2 is the failure of the fuel pump. To prevent this, make sure to regularly change your fuel filter and use high-quality fuel from reputable gas stations.

Another common issue is with the electronic power steering, which can fail unexpectedly. To avoid this, have your power steering fluid checked and replaced regularly.