- 2027 Factory-verified
trim group heading of the Sport Touring columns (FWD and AWD)
1SF Factory-verified
Also described as Package, option 06
Also documented for CadillacChevroletGMC
Documented applications
- 2007 Factory-verified
This page aggregates every documented appearance of 1SF in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.