Chevrolet 2009 Corvette Owner's Manual page 337

2. Be sure the notches are locked by the bottom
claws. Make sure that all other claws are properly
locked on both sides of the insert slots.
3. Put the blade assembly pivot in the wiper arm
hook. Pull up until the pivot locking tab locks in
the hook slot.
4. Carefully lower the wiper arm and blade assembly
onto the windshield.
Installation guide:
A. Claw in Notch
B. Correct Installation
C. Incorrect Installation
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