How do you replace the driver side power mirror on a 2003 ford focus?

To replace the driver side power mirror on a 2003 Ford Focus, first, disconnect the car battery to ensure safety. Remove the interior door panel by unscrewing the screws and gently prying it off to access the mirror's mounting bolts. Unplug the electrical connector from the old mirror, then remove the bolts securing it to the door and install the new mirror by reversing the process. Finally, reconnect the battery and test the new mirror's functionality.