- 2025–2027 Factory-verified
S on all trims
CTB Factory-verified
Also described as Intersection automatic emergency braking
Also documented for CadillacChevroletGMC
Documented applications
- 2025–2027 Factory-verified
2027: all trims: S
This page aggregates every documented appearance of CTB in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.