How do you change front turn signal bulb on 2006 Cadillac DTS?

To change the front turn signal bulb on a 2006 Cadillac DTS, first, open the hood and locate the headlight assembly. Remove the retaining screws or clips securing the assembly, then gently pull it forward to access the bulb socket. Twist the bulb socket counterclockwise to remove it, replace the old bulb with a new one, and reassemble the headlight by reversing the steps. Be sure to test the new bulb before closing the hood.