A squeaking noise is heard while turning, dealer has replaced some parts and it continues to be heard
Steering column squeak on 2007 Kia Sedona
There is no excuse not to find a squeak in the steering column your car is still under warentee so I would be persistent in insisting that the dealer fix the source of the noise. On another manufacturer I have seen the horn button contact make a squeak as the wheel is turned and also the grommet at the firewall squeak as the wheel is turned. If you are at the dealer make sure you can show a technician the noise and if you can duplicate it and say "there that's the noise" they should be able to fix it!