I never smelled them coming out the vents. When I would follow me jeep in another jeep or car I smelled it between 1000 miles and 3000 miles the smell is gone now.
Dealer is clueless to what it was.
2012 Sport Auto 3.73
ACE rock sliders, Warn M 8000 with synthetic rope
Eaton Trutrac Front and rear
17 inch ATX Ledge wheels on 285/70/17 Duratrac
Cheap is never a good thing when it comes to your Jeep