Sales package, Cadillac, international performance 001

Years 2006–09 Models 2 Factory citations 3

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Documented applications

CTS — Sigma / GMX320 (2003–2007)

2007 Factory-verified

GM factory document — 2007 cadillac cts rpo code list, p.1.

SRX — Sigma / GMT265 (2004–2009)

2006–2009 Factory-verified

GM factory document — 2006 cadillac srx rpo code list, p.1.
GM factory document — 2009 cadillac srx rpo code list, p.1.

This page aggregates every documented appearance of Y49 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.