How do you program 2007 KIA Sportage LX keyless entry?

To program a 2007 Kia Sportage LX keyless entry remote, first, insert the key into the ignition and turn it to the "On" position without starting the engine. Then, turn the key back to the "Off" position and remove it. Within 30 seconds, press and hold the "Lock" and "Unlock" buttons on the remote simultaneously for about 5 seconds, then release both buttons. Finally, press the "Lock" button once to confirm the programming; the doors should lock and unlock to indicate successful programming.