- 2001–2003 Factory-verified
the Malibu lists print "Sales Special Ornamentation (Gold)"; the Alero doc adds "exterior".
GM Heritage factory kit — 2003 Chevrolet Malibu, p.80.
Y11 Factory-verified
Also documented for OldsmobilePontiac
Documented applications
This page aggregates every documented appearance of Y11 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.