Lift the wiper arm away from the windshield and locate the small tab on the underside of the wiper blade.
2. Push the tab and pull the old wiper blade off the wiper arm.
3. Take the new Bosch Aerotwin A864S wiper blade and align it with the wiper arm. Make sure the hook on the wiper blade is inserted into the hook on the wiper arm.
4. Push the wiper blade firmly onto the wiper arm until you hear a click, indicating that the blade is securely attached.
5. Lower the wiper arm back onto the windshield and repeat the process for the other wiper blade.