Toyota PRIUS 50 2020 Series Owner's Manual page 418

416
6-3. Do-it-yourself maintenance
NOTICE
■
To prevent damage
●
Be careful not to damage the claws when replacing the wiper insert.
●
After the wiper blade is removed from the wiper arm, place a cloth, etc.,
between the window and wiper arm to prevent damage to the window.
●
Be sure not to pull excessively on the wiper insert or deform its metal
plates.