AU1 ✓ Factory-verified

Buick · Regular Production Option

Lock control, side door and fuel filler door, electric

Years 1998–99 Models 2 Factory citations 3

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Also documented for ChevroletOldsmobilePontiac

Documented applications

LeSabre — H-body (1992–1999) →

• 1998–1999 ✓ Factory-verified
  ⛭ GM factory document — 1998 buick lesabre rpo code list, p.1.

  ⛭ GM factory document — 1999 buick lesabre rpo code list, p.1.

Skylark — N-body (1992–1998) →

• 1998 ✓ Factory-verified
  ⛭ GM factory document — 1998 buick skylark rpo code list, p.1.

This page aggregates every documented appearance of AU1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.