- 2014–2015, 2018 Factory-verified
Vsport, Vsport Premium: O; the 2014 guide reads Serval carbon fiber; letter O as GM prints it
WGO Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of WGO in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.