Your dealership is wrong. If they've lost the other regular fob, they need to order a new one for you. Don't take no for an answer.
Ordered 9/19/16 -- Built 10/7/16 -- Delivered 10/27/16:
2017 Pacifica Limited - Molten Silver/Mocha
8 Pax - Vac - SafetyTec - UConnect Theater & Sound
20" Wheels - Tow - KeySense - Splash Guards