How do you replace tail light bulb in 2011 Ford Fusion?

To replace the tail light bulb in a 2011 Ford Fusion, first, open the trunk and locate the tail light assembly. Remove the plastic cover or access panel to reach the bulb socket, then twist the socket counterclockwise to remove it. Pull out the old bulb and replace it with a new one, ensuring it is securely seated, then reinsert the socket and cover. Finally, test the new bulb to ensure it works before closing the trunk.