AS4 (Z) ● Confirmed

Cadillac · Regular Production Option

Rear shoulder belts

Years 1969–70 Models 1

Documented applications

DeVille / Calais →

• 1969 ● Confirmed

  All

• 1970 ● Confirmed

  All

This page aggregates every documented appearance of AS4 (Z) in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.