- 2017 Factory-verified
touch-up paint WA-387A; extra charge, none on Platinum; not with the Cinnamon interior
GC8 Factory-verified
Also documented for BuickChevrolet
Documented applications
- 2016 Single-source
touch-up WA-387A; extra charge except on Platinum; GM Authority's 2016 colour table and its 2017 deletions list
- 2016 Confirmed
the 2017 list deletes it (GM Authority 2017 XTS changes)
This page aggregates every documented appearance of GC8 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.