IP4 ✓ Factory-verified

Cadillac · Regular Production Option

Trim, interior design P4

Years 1999 Models 1 Factory citations 1

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Also documented for Chevrolet

Documented applications

Seville — G-body (1998–2004) →

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

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