How do you replace Headlight bulb 2008 Ford Focus?

To replace the headlight bulb on a 2008 Ford Focus, first, ensure the vehicle is off and the keys are removed. Open the hood and locate the back of the headlight assembly. Disconnect the electrical connector, then twist the old bulb counterclockwise to remove it. Insert the new bulb by twisting it clockwise, reconnect the electrical connector, and test the headlight before closing the hood.