E22 Factory-verified

Buick · Regular Production Option

Assist handles, rear outboard

Years 2025–27 Models 2 Factory citations 7
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Also documented for CadillacChevroletGMC

Documented applications

This page aggregates every documented appearance of E22 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.