12U ✓ Factory-verified

Buick · Regular Production Option

Primary color, exterior, Galaxy Silver Metallic

Years 2000, 2009 Models 3 Factory citations 3

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Also described as Primary color, exterior, Dark Brahma Jewel metallic

Also documented for CadillacChevroletGMCSaturn

Documented applications

Century — W-body (1997–2005) →

• 2000 ✓ Factory-verified

  GM prints "(99)"

  ⛭ GM factory document — 2000 buick century rpo code list, p.1.

Enclave — Lambda / GMT967 (2008–2017) →

• 2009 ✓ Factory-verified

  GM prints "(08)".

  ⛭ GM factory document — 2009 buick enclave rpo code list, p.1.

Regal — W-body (1997–2004) →

• 2000 ✓ Factory-verified

  GM prints "(99)"

  ⛭ GM factory document — 2000 buick regal rpo code list, p.1.

This page aggregates every documented appearance of 12U in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.