Opel CASCADA Owner's Manual page 40

38 Keys, doors and windows
5. Lift up soft top lid from both sides
simultaneously up to the half
raised position approx.
6. Insert the 4 mm Allen key into the
marked position of the flap-drive
unit. Turn the Allen key clockwise
all the way to the stop, so that the
sideways flaps are swivelled in.
7. Open the soft top lid to its end
position.
8. Remove plastic covers on both
sides by pushing and sliding
backwards, see graphic.
9. At the hinge on each side under
the plastic covers there is a visible
mark.