UP6 (A6) ● Confirmed

Cadillac · Regular Production Option

AM/FM stereo w/ CB

Years 1978–79 Models 2

Documented applications

DeVille / Calais →

• 1978 ● Confirmed

  All

• 1979 ● Confirmed

  All

Seville →

• 1978 ● Confirmed

  $281

This page aggregates every documented appearance of UP6 (A6) in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.