How do you change a headlight 2001 S60?

To change the headlight on a 2001 Volvo S60, first open the hood and locate the back of the headlight assembly. Disconnect the electrical connector by pressing the tab and pulling it away. Remove the rubber cover, then twist and pull out the old bulb from the assembly. Insert the new bulb, ensuring not to touch the glass with your fingers, replace the rubber cover, and reconnect the electrical connector. Finally, test the headlight to ensure it's working properly.