AU4 ✓ Factory-verified

Pontiac · Regular Production Option

Lock control, side door, electric, automatic

Years 1998–99, 2009 Models 2 Factory citations 3

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Also documented for BuickChevroletOldsmobile

Documented applications

Bonneville — H-body, 9th gen (1992–1999) →

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

  ⛭ GM factory document — 1999 pontiac bonneville rpo code list, p.1.

Vibe — Second generation (2009–2010) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 pontiac vibe fwd rpo code list, p.1.

This page aggregates every documented appearance of AU4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.