RPOARCHIVE
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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    RXX Factory-verified

    Buick · Regular Production Option

    LPO, rear license plate applique, black

    Years 2023 Models 1 Factory citations 1
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    Also documented for CadillacChevrolet

    Documented applications

    Related codes · mentioned in these notes

    PDM

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