- 2017–2019, 2021–2022 Factory-verified
ZR2 only (2018 guide); 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022
SAS Factory-verified
Also documented for GMC
Documented applications
This page aggregates every documented appearance of SAS in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.