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; destination-market code; the letter O in D2O is as GM prints it;
D2O Factory-verified
Also documented for GMCPontiac
Documented applications
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; destination-market code; the letter O in D2O is as GM prints it;
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; GM prints D2O with a letter O in every list
This page aggregates every documented appearance of D2O in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.