How do you replace the headlight bulb on a 2005 Jaguar XJ8?

To replace the headlight bulb on a 2005 Jaguar XJ8, first, open the hood and locate the back of the headlight assembly. Disconnect the electrical connector by gently pulling it away from the bulb. Twist the bulb socket counterclockwise to remove the old bulb, then insert the new bulb into the socket, ensuring it’s secure, and reconnect the electrical connector. Finally, test the new bulb to ensure it's functioning properly before closing the hood.