Service manual

If you only want to replace the wiper inserts follow these steps:
1. Disconnect the wiper insert by bending the end of the insert gently
2. Now pull the insert from the blade housing.
using pliers. Then pull it from the housing retaining tab.
3. Reinstall the new insert by aligning the blade housing tabs and the
edge
of the insert. Make sure that the insert is connected to all the
housing tabs.
4. Install the wiper blade assembly to the wiper arm.