Opel Cascada Owner's Manual page 42

40 Keys, doors and windows
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 illustration.
9. At the hinges on each side there
are visible marks.
10. Haul in the attached strings
around the marked position at the
hinge on both sides and pull the
end of the string through the loop,
as shown in the illustration.
11. Deposit the end of the strings at
the front.