TSB: REVISION NOTICE November 10, 2016 Rev1: ? Applicability has been updated to include 2015 ? 2017 model year applicable Lexus vehicles. ? The Parts Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2006 ? 2017 model year Lexus vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.