How do you replace the tail hatch on a Hyundai excel 1999?

To replace the tail hatch on a 1999 Hyundai Excel, first, remove the interior trim panel by unscrewing and carefully prying it off to access the hatch's mounting points. Disconnect any electrical connectors for the tail lights and release the hinges by removing the bolts. Once the old hatch is detached, align the new hatch and secure it in place with the bolts, then reconnect the electrical components and reattach the interior trim panel. Finally, test the hatch for proper operation before finishing.