How do you replace ignition coils on 2004 KIA Sedona?

To replace the ignition coils on a 2004 Kia Sedona, first ensure the engine is cool and disconnect the negative battery terminal. Remove the engine cover if necessary, then unplug the electrical connectors from the ignition coils. Unscrew the bolts securing the coils and carefully pull them out. Install the new coils by reversing the process, ensuring they are seated properly and reconnect the electrical connectors before reattaching the battery terminal.