How do you change headlamp in 2008 Toyota Avalon?

To change the headlamp in a 2008 Toyota Avalon, first, open the hood and locate the headlight assembly. For the side you need to replace, remove the cover or the retaining clips to access the bulb. Disconnect the electrical connector from the bulb, then twist the bulb socket counterclockwise to remove it. Replace the old bulb with a new one, reconnect the electrical connector, and secure everything back in place.