TR6 ✓ Factory-verified

Buick · Regular Production Option

Headlamps control, leveling system, manual

Years 2004–07 Models 1 Factory citations 2

Query this via API →

Also documented for CadillacChevroletGMCHummerOldsmobilePontiac

Documented applications

Rainier — GMT360 (2004–2007) →

• 2004–2007 ✓ Factory-verified
  ⛭ GM factory document — 2004 buick rainier 2wd rpo code list, p.1.

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

This page aggregates every documented appearance of TR6 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.