How do I fix a malfunctioning air conditioning system in a Vauxhall Astra?

I've noticed that my air conditioning in my Vauxhall Astra is not cooling properly. What could be causing this and how can I fix it?

First, try checking the fan and compressor to make sure they are working properly. If they seem to be functioning correctly, then you may have a refrigerant leak. In this case, it's best to take your car to a certified mechanic for a proper diagnosis and repair.

Another potential issue could be a clogged air filter. Make sure to check and replace your air filter if necessary. Additionally, check the temperature and pressure settings on your air conditioning unit to make sure they are properly calibrated.

If the air conditioning is still not working properly after checking these components, it may be time to schedule a tune-up with your mechanic. They can perform a thorough inspection and make any necessary repairs to ensure your air conditioning is running at optimal levels.