DAY ✓ Factory-verified

Buick · Regular Production Option

Plant code, Moraine, OH, USA

Years 2004 Models 1 Factory citations 1

Query this via API →

Also documented for ChevroletGMCOldsmobile

Documented applications

Rainier — GMT360 (2004–2007) →

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

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