How to fix issues with my Audi A4 transmission?

I am experiencing difficulties with my Audi A4's transmission, where it feels sluggish and has trouble shifting gears. This has been happening for the past week and has become increasingly frustrating. Can anyone provide some insight on how I could troubleshoot and resolve this issue?

First, I would recommend checking the transmission fluid levels and ensuring they are at the appropriate level. Low fluid levels could be the cause of your issues. You can also try changing the transmission fluid if it has not been done recently.