How do you replace a headlight for a 2006 Buick Terraza?

To replace a headlight on a 2006 Buick Terraza, first, open the hood and locate the back of the headlight assembly. Disconnect the electrical connector by pressing the release tab and pulling it off. Remove the headlight bulb by turning it counterclockwise and then replacing it with a new bulb, ensuring not to touch the glass with your fingers. Finally, reconnect the electrical connector and test the new headlight before closing the hood.