How do you remove a headlight unit on a mercury grand marquis?

To remove the headlight unit on a Mercury Grand Marquis, first, open the hood and locate the headlight assembly. Remove the screws or bolts securing the assembly, usually found at the top and side of the unit. Carefully pull the headlight assembly forward to disconnect it from the vehicle, and then detach the wiring harness. Be gentle to avoid damaging any clips or connectors.