191 ✓ Factory-verified

Cadillac · Regular Production Option

Interior trim, Ebony

Years 2007 Models 1 Factory citations 1

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Also documented for BuickHummerSaturn

Documented applications

STS — Sigma (2005–2011) →

• 2007 ✓ Factory-verified

  GM marks it "(1) (00)".

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

Related codes · mentioned in these notes

1

This page aggregates every documented appearance of 191 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.