We've done everything, including replacing the cabin filter, but to no avail.  

The dealer informs us that we must get in touch with Kia immediately after

Our investigation revealed that some Kia models have very high volatile organic compounds

but we were unable to locate any further details. Could you please explain this,

A: Certain strange odors from Kia and Hyundai cars from years past were distinct from  

the fragrance of a brand-new automobile. It's been a long time since I detected that strange fragrance.