- 2000 Factory-verified
twin list is word for word the Regal's; may be Regal equipment
D81 Factory-verified
Also documented for ChevroletGMCOldsmobilePontiacSaturn
Documented applications
- 2007–2009 Factory-verified
- 2000 Factory-verified
This page aggregates every documented appearance of D81 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.