How to replace wiper arm Volvo s40?

To replace the wiper arm on a Volvo S40, first lift the wiper arm away from the windshield. Locate the small tab or release mechanism on the underside of the wiper arm where it attaches to the motor shaft, and press it to release the arm. Carefully pull the old wiper arm off the shaft, then align the new wiper arm with the shaft, ensuring it’s properly positioned. Finally, push the wiper arm down until it clicks into place and lower it back onto the windshield.