How do you replace the headlight bulb on a Lexus LS460?

To replace the headlight bulb on a Lexus LS460, first, ensure the vehicle is turned off and the keys are removed. Open the hood and locate the back of the headlight assembly; you may need to remove the cover. Disconnect the electrical connector from the bulb, twist the bulb socket counterclockwise to remove the old bulb, and then insert the new bulb, ensuring not to touch the glass. Finally, reconnect the electrical connector and test the new bulb before closing the hood.