How do you reset the security system on the 2005 Kia Sedona?

To reset the security system on a 2005 Kia Sedona, first ensure that the vehicle is unlocked. Insert the key into the ignition and turn it to the "On" position without starting the engine. Leave it in this position for about 10 minutes until the security light turns off, then turn the key back to the "Off" position and remove it. Finally, try starting the vehicle; the security system should be reset.