How do you change daytime running lights in a citroen 2008 C5?

To change the daytime running lights in a Citroën C5 (2008), first, ensure the vehicle is off and the keys are removed. Open the hood and locate the headlight assembly; you may need to remove the cover or unclip the assembly depending on the design. Carefully disconnect the old bulb by twisting it counterclockwise, then replace it with a new bulb, ensuring it is securely fitted. Finally, test the lights before closing the hood.