- 2025–2027 Factory-verified
2027: all trims: S
KB5 Factory-verified
Also described as Hill Start AssistElectronic grade braking with brake hold
Also documented for ChevroletSaturn
Documented applications
- 2025–2026 Factory-verified
all trims: S
- 2017–2019 Factory-verified
2019: all trims: S
- 2015 Factory-verified
2015: all groups: S
This page aggregates every documented appearance of KB5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.