C90 ✓ Factory-verified

Pontiac · Regular Production Option

Lamp, interior, front and rear doors, courtesy

Years 1999 Models 1 Factory citations 1

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Also documented for BuickOldsmobile

Documented applications

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

• 1999 ✓ Factory-verified

  Bonneville Club agrees.

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

This page aggregates every documented appearance of C90 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.