BH1 (A1–A4) ● Confirmed

Cadillac · Regular Production Option

Pillow & lap robe

Years 1973–74 Models 1

Documented applications

DeVille / Calais →

• 1973 ● Confirmed

  New

• 1974 ● Confirmed

  All

This page aggregates every documented appearance of BH1 (A1–A4) in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.