How do you replace a headlight bulb on a 2000 S type jaguar?

To replace the headlight bulb on a 2000 Jaguar S-Type, first, ensure the vehicle is off and the keys are removed. Open the hood and locate the headlight assembly; you may need to remove the plastic cover or access panel. Twist the bulb socket counterclockwise to remove it, then pull out the old bulb and insert the new one, making sure not to touch the glass. Finally, reassemble the socket and cover, and test the new bulb to ensure it’s working.