Buick 2006 Rainier - Manual (Page 367)

4. To install the new wiper insert, slide the insert (D),
notched end last, into the end with two blade
claws (A). Slide the insert all the way through
the blade claws at the opposite end (B). The
plastic caps (C) will be forced off as the insert
is fully inserted.
5. Be sure that the notches are locked by the bottom
claws. Make sure that all other claws are properly
locked on both sides of the insert slots.
A. Claw in Notch
B. Correct Installation
C. Incorrect Installation
6. Put the blade assembly pivot in the wiper arm
hook. Pull up until the pivot locking tab locks
in the hook slot.
7. Carefully lower the wiper arm and blade
assembly onto the windshield.
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