How do you change a headlight on a 2004 jaguar xj8?

To change a headlight on a 2004 Jaguar XJ8, first, open the hood and locate the headlight assembly. Remove the retaining screws or clips that hold the assembly in place, then gently pull the assembly forward. Disconnect the wiring harness from the back of the headlight bulb and replace the bulb by twisting it counterclockwise. Finally, reassemble the headlight assembly, reconnect the wiring, and test the new bulb to ensure it works.