Iphone 5 syncing with KIA SPORTAGE (2013 year) with USB cable (ipod USB slot).

Hello, I have Iphone 5 wich updated to iOS 7.0.4. and I tried to connect it with my KIA SPORTAGE (2013 year) with USB cable (ipod USB slot). It allways asking TRUST or Dont Trust. I select trust, but it apears after 1 minute again. How to solve this ? It do not charge my phone and can not do anything.