How do you change turn signal bulb for a 2003 ford focus se?

To change the turn signal bulb on a 2003 Ford Focus SE, first, open the hood and locate the headlight assembly. Remove the screws or clips securing the assembly, then gently pull it out. Twist the bulb socket counterclockwise to remove it, replace the old bulb with a new one, and reassemble by reversing the steps. Make sure the new bulb is securely in place before testing the turn signal.