How do you replace a taillight on 2004 lancer sportback?

To replace the taillight on a 2004 Lancer Sportback, first, open the trunk and locate the access panel behind the taillight assembly. Remove the screws or clips securing the panel, then disconnect the wiring harness from the taillight. Carefully unscrew the taillight assembly from the vehicle, replace the bulb or the entire assembly as needed, and reassemble in reverse order, ensuring everything is securely fastened. Finally, test the new taillight to ensure it’s functioning properly.