How do you remove and replace a headlight lamp on Lexus GX470?

To remove and replace the headlight lamp on a Lexus GX470, start by disconnecting the negative battery cable to ensure safety. Next, open the hood and locate the headlight assembly; twist the headlight bulb socket counterclockwise to remove it. Replace the old bulb with a new one, being careful not to touch the glass with your fingers, as oils can cause damage. Finally, reinsert the socket, twist it clockwise to secure it, and reconnect the battery.