How do you replace windshield wiper on Pontiac grand prix gtps?

To replace the windshield wipers on a Pontiac Grand Prix GTP, first lift the wiper arms away from the windshield. Locate the small tab on the underside of the wiper blade where it connects to the arm, press it to release the old blade. Align the new wiper blade with the arm and push it onto the connector until you hear a click. Finally, lower the wiper arm back onto the windshield and repeat the process for the other blade if necessary.