CC1 ◑ Single-source

Buick · Regular Production Option

Removable roof hatch panels ("Sun Coupe" folding top used distinct pkg; 45 GS Stage 1 Sun Coupes in '73)

Years 1973 Models 1

Documented applications

Regal / Century →

• 1973 ◑ Single-source

  Century

This page aggregates every documented appearance of CC1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.