My Files
elemente caroserie.pdf, and it is explained in section 58
From Biskoda here
How to remove rear door window? - Skoda Fabia I - BRISKODA.net - The Skoda Forum and Community
I think the info you have provided refers to an earlier model. But, it has helped with quarter light removal - the main glass channel is removable which looks like the quarter light glass can then be slid out sideways.