- 1998–1999 Factory-verified
T2T Factory-verified
Also described as Remote controlRemote control, illuminated entry
Also documented for ChevroletOldsmobilePontiac
Documented applications
- 2018–2019 Factory-verified
2019: all trims: S (2019 Sportback order guide)
- 1998 Factory-verified
This page aggregates every documented appearance of T2T in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.