Section 2 (Emission Control System (Service Information))

WARNING: This page is about a different car, the 2020 Lexus GS 350, 2019 Lexus GS 350, 2018 Lexus GS 350, 2017 Lexus GS 350, and 2016 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.