How do you replace the windshield wiper arm on a 2003 Pontiac grand prix?

To replace the windshield wiper arm on a 2003 Pontiac Grand Prix, start by lifting the wiper arm away from the windshield. Locate the small tab or release mechanism on the wiper arm where it connects to the wiper motor shaft and press it to disengage the arm. Once released, slide the old wiper arm off the shaft and align the new wiper arm onto the shaft, ensuring it sits securely. Finally, press down until it clicks into place, and lower the wiper arm back onto the windshield.