U3U ✓ Factory-verified

Buick · Regular Production Option

Radio, AM/FM stereo, seek/scan, DVD, CD, clock, ETR, navigation, voice recognition, MP3

Years 2005–09 Models 3 Factory citations 6

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Also documented for CadillacChevroletGMCPontiacSaturn

Documented applications

Lucerne — G-body (2006–2011) →

• 2006–2009 ✓ Factory-verified
  ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1.

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

Rainier — GMT360 (2004–2007) →

• 2005 ✓ Factory-verified
  ⛭ GM factory document — 2005 buick rainier 2wd rpo code list, p.1.

Terraza — U-body / GMT201 (2005–2007) →

• 2005–2007 ✓ Factory-verified
  ⛭ GM factory document — 2005 buick terraza rpo code list, p.1.

  ⛭ GM factory document — 2006 buick terraza rpo code list, p.1.

  ⛭ GM factory document — 2007 buick terraza rpo code list, p.1.

This page aggregates every documented appearance of U3U in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.