How do you replace taillight assembly on a 2007 Mazda CX-7?

To replace the taillight assembly on a 2007 Mazda CX-7, first, open the rear hatch and remove the interior trim panel by unscrewing or unclipping it to access the taillight. Disconnect the electrical connector from the taillight assembly, then remove the screws or bolts securing the assembly to the vehicle. Carefully pull the assembly out and replace it with the new one, reconnect the electrical connector, and reattach the trim panel. Finally, test the new taillight to ensure it is functioning properly.