Oldsmobile bravada 1996 Owner's Manual page 248

2.
Press down on the blade assembly pivot locking tab.
Pull down on the blade assembly to release
it
from
the wiper arm hook.
3. Remove the insert from the blade assembly. The
insert has two notches at one end that are locked by
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
C
/
A.
Claw in Notch
B. Correct Installation
C. Incorrect Installation