- 2004–2007 Factory-verified
the 2004 lists word it as "window tinting, deep tint, all except windshield and doors"
AJ1 Factory-verified
Also documented for CadillacChevroletGMCHummerOldsmobilePontiacSaturn
Documented applications
- 2005–2007 Factory-verified
This page aggregates every documented appearance of AJ1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.