I-5 ● Confirmed

Buick · Regular Production Option

Automatic Climate Control A/C

Years 1970 Models 2

Documented applications

Full-Size — LeSabre / Electra / Wildcat →

• 1970 ● Confirmed

  Full-size, Riviera

Riviera →

• 1970 ● Confirmed

  Riviera & full-size

This page aggregates every documented appearance of I-5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.