All Hyundai and Kia vehicles require a specific cable to connect an iPhone to the infotainment system.
http://www.amazon.com/Hyundai-Charge...pd_sim_sbs_e_2
Dealers want about $50 for these so this is an absolute steal if you're renting often enough to warrant it. I was getting Sonatas for a long time but then I cracked my screen and went Android...