- 2015–2017 Factory-verified
2015–2016: SLE, SLT: S; SL, Canyon: not offered
MCY Factory-verified
Also described as USB port, single
Also documented for BuickChevrolet
Documented applications
- 2019–2020 Factory-verified
the 2019 list reads "Port, electronic device, USB only"; the 2020 list reads "Receptacle, USB only" and marks it not for the next new major program
This page aggregates every documented appearance of MCY in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.