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

    Archive / Chevrolet / Code
    UH3 ✓ Factory-verified

    Chevrolet · Regular Production Option

    Indicator, low tire pressure, variation 2

    Years 2004–09 Models 3 Factory citations 10
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    Also documented for BuickCadillacGMC

    Documented applications

    Corvette — C5 (1997–2004) →
    • 2004 ✓ Factory-verified
      ⛭ GM factory document — 2004 chevrolet corvette rpo code list, p.1.
    Corvette — C6 (2005–2013) →
    • 2005–2009 ✓ Factory-verified
      ⛭ GM factory document — 2005 chevrolet corvette rpo code list, p.1.
      ⛭ GM factory document — 2006 chevrolet corvette rpo code list, p.1.
      ⛭ GM factory document — 2007 chevrolet corvette rpo code list, p.1.
      ⛭ GM factory document — 2008 chevrolet corvette rpo code list, p.1.
      ⛭ GM factory document — 2009 chevrolet corvette rpo code list, p.1.
    TrailBlazer — GMT360 (2002–2009) →
    • 2006–2009 ✓ Factory-verified
      ⛭ GM factory document — 2006 chevrolet trailblazer 2wd rpo code list, p.1.
      ⛭ GM factory document — 2007 chevrolet trailblazer 2wd rpo code list, p.1.
      ⛭ GM factory document — 2008 chevrolet trailblazer 2wd rpo code list, p.1.
      ⛭ GM factory document — 2009 chevrolet trailblazer 2wd rpo code list, p.1.

    This page aggregates every documented appearance of UH3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.

    RPOARCHIVE

    A factory-sourced reference to GM Regular Production Option codes, 1960–2027. Every code carries a confidence grade and, where the factory documents it, a citation to the exact GM factory document and page.

    Reference

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    • Use in AI tools (API)

    Provenance

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    • About this project

    Independent reference work — not affiliated with or endorsed by General Motors. “GM,” “Chevrolet,” “Pontiac,” “Oldsmobile,” “Buick,” “Cadillac,” “GMC,” “Saturn,” and “Hummer” are trademarks of their respective owners, used nominatively to identify the vehicles this data describes. No GM logos or emblems are reproduced.

    Data compiled from GM Heritage factory documentation and cross-referenced public sources. Generated from a curated, versioned dataset.