How do you change rear turn signal 2001 grand prix?

To change the rear turn signal on a 2001 Pontiac Grand Prix, first, open the trunk and locate the access panel on the side where the bulb is located. Remove the panel by unscrewing or unclipping it, then twist the bulb socket counterclockwise to remove it. Replace the old bulb with a new one, ensuring it is securely in place, and then reassemble the access panel. Finally, test the turn signal to ensure it is working properly.