The sunroof on my Kia Stinger GT2 has been creaking and rattlings since about 1 month into ownership. I have it set to go to dealer for repair, and I hope it is done right the first time. Rather disappointing issue on a $50K car.
Took my car in on Friday. They said they would have to keep the car for a day just to even figure out what the issue is as they will have to pull down the entire headliner. Might consider it in a couple of weeks as I don't think I can put up with it for much longer.
I tried the "fixes" posted above with the grease on the rubber weatherseal. That did not help at all.
What was your build date? Mine is 11/2017.