- 2015, 2018–2019 Factory-verified
extra charge; 2019 from GM Authority's 2019 ATS exterior colors page
Also documented for BuickChevroletGMC
Documented applications
- 2017–2018 Factory-verified
touch-up paint WA-410Y; extra charge, none on Platinum; not with the Cinnamon interior; 2018 from the 2018 CT6 order guide (a GM document)
- 2015, 2018–2019 Factory-verified
extra charge; touch-up paint WA-410Y; 2019 per GM's 2019 CTS Sedan order guide, whose paint table lists it
- 2017–2020 Single-source
touch-up WA-410Y; extra charge except on Platinum; GM Authority's 2017 changes and 2018–2020 colour tables
- 2015 Confirmed
extra charge; new for the model year, not available at start of production (GM Authority 2015 XTS changes; GM Authority 2015 XTS Professional changes)
This page aggregates every documented appearance of G1M in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.