So I?m dealing with the same issue right now. I noticed some vibration around the 3000 mile mark mostly when slowing down from interstate speeds, now it is worse at slower speeds especially when going downhill. Classic rotor warp symptoms. Here?s the thing? I have warped rotors before in my younger years and learned from my mistakes and now I more-or-less baby them. When breaking I downshift, never ride the breaks, and never ever let the pad rest on the rotor when hot, blah blah.
After reading about others who have reported premature rotor issues I asked the dealership to fix them under warranty. They made it very clear that rotors are not covered and that it would be $315 to replace them not including labor. I pushed back and they advised me to reach out to Kia consumer affairs?which I did. After going back-and-forth with them a few times they are also holding firm that it is not a warrantee-able item. I tend to agree with them, but still it blows me away that I would have this issue from a high-end car with high-end brake systems without aggressive driving. Right now I have 5000 miles on her and ~95% of those miles are long road trips with, like I said, reasonable driving and a practicing respect of what causes rotors to warp.
I?m still working with consumer affairs and waiting on a call back from them. They also told me they are not tracking any known issues on rotors; I told them to go online and look at the forums because I?m not the only one reporting it. Obviously I know their known issues are not driven by public forums, but these are certainly a solid source of consumer information. I suppose it?s possible the economics of the situation is that people are just warping there rotors from aggressive driving immediately after buying; hard to tell. But that?s certainly not my case and fair to assume many of yours as well.
They are reaching out to a local district parts and service manager to see if they are willing to help me out. I?ll let you all know what happens. If anyone has other ideas for me to fight my case I would appreciate it.