TSB: PANORAMA SUNROOF CREAK OR RATTLE NOISE - This bulletin provides the procedure to apply felt tape on the panorama sunroof crossmember on some 2012-2015MY Optima (QF) vehicles, equipped with panorama sunroof, produced from August 31, 2011 through September 22, 2015, which may experience a slight creaking or rattle noise at the sunroof area.
