R1Y ✓ Factory-verified

Cadillac · Regular Production Option

Merchandised package, CTS Sport

Years 2007 Models 1 Factory citations 1

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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.

This page aggregates every documented appearance of R1Y in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.