H2 / H3 ● Confirmed

Buick · Regular Production Option

Ride & handling / automatic level control

Years 1970 Models 1

Documented applications

Riviera →

• 1970 ● Confirmed

  Riviera & full-size

This page aggregates every documented appearance of H2 / H3 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.