- 2015–2016 Factory-verified
the 2017 and 2018 lists do not print it; 2016 rests on the 2015 manual, whose RPO pages are headed 2016 City Express
UAD Factory-verified
Documented applications
This page aggregates every documented appearance of UAD in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.