- 2008–2009 Factory-verified
AH3 Factory-verified
Also described as Seat adjuster, driver 6-way manual
Also documented for ChevroletGMCOldsmobilePontiacSaturn
Documented applications
- 2018–2019 Factory-verified
2019: Regal: S (2019 Sportback order guide)
This page aggregates every documented appearance of AH3 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.