I have that in my VW Tiguan (Park Assist) however unfortunately I’ve never used it so can’t tell how I would get on.
80% of the time I park in Blue Badge parking spaces that have the extra width and find how park assist works is just too much trouble as you still have to do the gear changing and for myself parallel parking has never been a problem and more so with sensors front and back and I can park up and be done by the time I’ve figured out what button to press.
If it was something you need to use all the time then I’m sure it would become second nature and really would be helpful.
Sorry I can’t be much more help than that and one day I will test the system to find out just how easy it is. 😊