Buick 2007 Rainier - Manual (Page 409)

3. Remove the insert from the blade assembly.
The insert has two notches at one end that are
locked by the bottom claws of the blade
assembly. At the notched end, pull the insert
from the blade assembly.
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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