Front: 0 (+0,0; –1,0) mm.
Back side: 0 (+1; +0) mm.
If the height difference is abnormal, adjust as follows.
Pic. 8.33. Front and rear adjustment screws
Loosen the front and rear screws. Adjust the height of the glass panel relative to the roof panel (pic. 8.33).
Loosen the glass panel nuts and adjust the gap between the glass panel and the roof panel.