8K0201550C, 8K0201550F, 8T0201550B, 8K0201550N. 2009–2016 Sedan models (base and all-wheel-drive variants). 2010–2016 Sport-tuned sedan versions. 2007–2016 Retractable hardtop convertibles. Enhanced Safety & Efficiency : A compromised or worn fuel cap can lead to evaporative leaks, reduced fuel efficiency, and even illumination of the check engine light.
