- 2018–2019 Factory-verified
2018: Sport Touring: O; 2019: Preferred, Sport Touring: O; contents UFT and UFG, plus KI6 in 2019 (the 2019 guide prints K16 in the contents)
PCW Factory-verified
Also documented for CadillacChevroletGMC
Documented applications
This page aggregates every documented appearance of PCW in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.