Here is a collection of the current windows problems with my Audi TT and a few of the issues that have been raised to me via mail from other TT owners.
There are a few circumstances that can lead to you finding your windows open when you return to your car.
There are also a couple of circumstances that cause problems when you are actually in the car and using the windows.
Window loses its memory and does not drop the standard 3mm when the door is opened or raise 3mm when the door is closed.
One touch button open and close does not work.
To cure the last two press here