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The 2009 list reads "Country-Korea"; the 2007 list shows it only in the second block (see overview).
CW1 Factory-verified
Also documented for CadillacChevroletGMCSaturn
Documented applications
This page aggregates every documented appearance of CW1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.