How do you change a headlight assembly on 2006 Ford Fusion?

To change the headlight assembly on a 2006 Ford Fusion, first, open the hood and locate the headlight assembly. Remove the retaining screws and any clips securing the assembly, then gently pull it out. Disconnect the wiring harness and replace the assembly with a new one by reversing the process: connect the wiring, secure it with screws and clips, and close the hood. Always test the new headlight to ensure it functions properly.