Xbox Series X Uncoupling Br 411 Does Not Work

Uncoupling BR 411 from Leipzig on a scheduled train? How does that work? I can only couple, but releasing the coupling doesn't work, even though TSW 6 requires it.

I figured it out myself now. You have to set an emergency brake in the relevant driver's cab and then press the decoupling button on the side.

 

I found that according to this method, trains that have just separated will be reconnected because they are very close. Is there a way to solve this problem?