IP4 ✓ Factory-verified

Chevrolet · Regular Production Option

Trim, interior design

Years 1999 Models 2 Factory citations 2

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Also documented for Cadillac

Documented applications

Lumina — second generation (1995–2001) →

• 1999 ✓ Factory-verified
  ⛭ GM factory document — 1999 chevrolet lumina rpo code list, p.1.

Monte Carlo — fifth generation, W-body (1995–1999) →

• 1999 ✓ Factory-verified
  ⛭ GM factory document — 1999 chevrolet monte carlo rpo code list, p.1.

This page aggregates every documented appearance of IP4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.