Buick Cascada2018 Owner's Manual page 43

42 Keys, Doors, and Windows
5. With the tonneau cover being
held in the half raised position,
insert the hex wrench into the
marked position of the flap
drive unit. Turn the wrench
clockwise to the stop. The
sideways flaps will turn inward.
6. With an additional person,
raise the tonneau cover to the
fully open position.
7. Lift the convertible top by
pulling up on both sides of the
front bow and tension bow.
8. Move the front bow to the
windshield frame.
9. Remove the cap covering the
manual closure opening. There
is a recess in the cap to snap it
off using a tool. Insert the hex
wrench into the opening and
then turn the wrench clockwise
until it stops. The convertible
top is now locked.
10. Lift up the tension bow on both
sides and raise the tonneau
cover to approximately the half
raised position, and then allow
it to slide into the closed
position.
11. Lower the tension bow.