- 2025–2027 Factory-verified
2025–2026: S on all trims; 2027: Preferred, Sport Touring: S; Avenir: not offered
UKM Factory-verified
Also described as Lane keep assist with lane departure warning
Also documented for CadillacChevroletGMC
Documented applications
- 2025–2027 Factory-verified
2027: all trims: S
This page aggregates every documented appearance of UKM in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.