401 ✓ Factory-verified

Buick · Regular Production Option

Interior trim, Shale/Cocoa, mini perforated, (1) (07)

Years 2007 Models 1 Factory citations 1

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Documented applications

Lucerne — G-body (2006–2011) →

• 2007 ✓ Factory-verified
  ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1.

This page aggregates every documented appearance of 401 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.