How to troubleshoot the air conditioning system in my Audi A2?

I've noticed that my Audi A2's air conditioning system is not functioning properly. The air blows out warm instead of cold and I can't seem to adjust the temperature. What could be the issue and how can I fix it?

First, you should check the refrigerant levels in your air conditioning system. If it's low, then you may need to add more refrigerant. However, it's important to determine if there is a leak in the system before adding more refrigerant. I suggest taking your car to a certified mechanic for a proper diagnosis and repair.

Another common issue with the Audi A2's air conditioning is a faulty compressor. If the compressor is not working properly, it can result in warm air blowing out. You can try replacing the compressor yourself, but it's recommended to seek professional help for this task.

Make sure to also check the air filters in your car as they can get clogged with dirt and debris, limiting the airflow and causing the air to blow out warm. Cleaning or replacing the air filters can often solve this issue. Remember to regularly change the air filters to prevent future problems.