FHO Factory-verified

Buick · Regular Production Option

Fuel capability, E10

Years 2022–23, 2025–27 Models 2 Factory citations 5
Query this via API →

Also described as E10 fuel capable

Also documented for ChevroletGMC

Documented applications

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