Opening and closing from the key fob is a feature available for many years for VW in Europe. My US VWs only supported opening until I recoded the convenience module via rosstech’s vagcom. I assume it is a safety regulation issue.Attached is a video I did with the window switches from the interior to open, close, vent all 4 windows at once. This was a suggestion I sent Elon Musk for the Tesla's and I am very surprised and pleased VW enabled this option. I like to drive with the windows evenly cracked and climate control off when it is nice out. Tesla has not done this yet. I did this by accident and then found it in the U.S. owners manual on page 82.
Additionally, you can open all the windows remotely by pressing and holding the unlock button on the KEY FOB. You should also be able to close all the windows by holding the lock button on the KEY FOB or holding your finger on the door handle lock sensor. Unfortunately, I have not been able to get the key fob/touch sensor closing, or the touch sensor opening to work on my ID.4 yet. Everything else did function as described in the manual page 82.
Enjoy the video: