- 2004–2007 Factory-verified
the 2004 lists word it as "package, front license plate, front mounting, EEC"
VL4 Factory-verified
Also documented for CadillacChevroletGMCOldsmobilePontiac
Documented applications
This page aggregates every documented appearance of VL4 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.