- 2016 Factory-verified
2016: 1SD, 1SG, 1SH, 1SL, 1ST: O (dealer-installed); not with PDH, VAV, VLI, VRV or the G1M, G7Q and GB8 paints
5KZ Factory-verified
Documented applications
This page aggregates every documented appearance of 5KZ in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.