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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    ZQ3 Factory-verified

    Chevrolet · Regular Production Option

    Convenience package, tilt steering wheel and speed control

    Years 1972, 1989–94, 1996–03, 2005–10, 2014–19, 2022–27 Models 17 Factory citations 81
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    Also described as 350ci 200hp (SAE net) base EngineSales package, driver convenience IISales package, combination cruise control and tilt steering wheelDriver convenience II packageConvenience Package IIConvenience group, tilt wheel steering and electronic speed controlPackage, driver convenience

    Also documented for GMCOldsmobilePontiacSaturn

    Documented applications

    Astro — First generation (1985–1994)
    • 1990–1994 Factory-verified

      Comfortilt steering wheel and electronic speed control; the merged second-generation doc reads ZQ3 as Sales package, driver convenience II (1998); 1990 from the trailering chart.

      GM Heritage factory kit — 1990 Chevrolet Astro Van, p.24.
      GM Heritage factory kit — 1991 Chevrolet Astro Van, p.11.
      GM Heritage factory kit — 1992 Chevrolet Astro Van, p.19.
      GM Heritage factory kit — 1993 Chevrolet Astro Van, p.35.
      GM Heritage factory kit — 1994 Chevrolet Astro Van, p.25.
    Blazer (full-size, K Blazer) — GMT400 (1992–1994)
    • 1992–1994 Factory-verified

      Comfortilt steering wheel and electronic speed control; the 1992 driver's convenience package line has no legible code, so 1992 cites the trailering chart, which prints ZQ3 for cruise control and tilt wheel; the 1994 option lines print z03 and Za3, so 1994 cites the PEG 2 contents list

      GM Heritage factory kit — 1992 Chevrolet Blazer, p.19.
      GM Heritage factory kit — 1993 Chevrolet Blazer, p.9.
      GM Heritage factory kit — 1994 Chevrolet Blazer, p.8.
    Blazer — S-10 second generation (1995–2005)
    Equinox — Fourth generation (2025–2027)
    Express — GMT600 (1996–2002)
    • 1996, 1998–1999 Factory-verified

      the 1997 order guide prints Z03 for this group, so 1997 is left out

      GM Heritage factory kit — 1996 Chevrolet G Van, p.67.
      GM Heritage factory kit — 1998 Chevrolet Express, p.20.
      GM Heritage factory kit — 1999 Chevrolet G Van, p.35.
    Express — GMT610 (2003–2027)
    Chevy Van — Second generation G-series (1983–1996)
    • 1989–1994, 1996 Factory-verified

      Comfortilt steering wheel and electronic speed control; 1989 from the option chart on p.36, which prints zQ3 (other 1989 pages print Z03).

      GM Heritage factory kit — 1989 Chevrolet G Van, p.36.
      GM Heritage factory kit — 1990 Chevrolet G Van, p.15.
      GM Heritage factory kit — 1991 Chevrolet G Van, p.28.
      GM Heritage factory kit — 1992 Chevrolet G Van, p.20.
      GM Heritage factory kit — 1993 Chevrolet G Van, p.50.
      GM Heritage factory kit — 1994 Chevrolet G Van, p.43.
      GM Heritage factory kit — 1996 Chevrolet G Van, p.76.
    S-10 pickup — Second generation (1994–2004)
    Suburban — GMT400 (1992–1999)
    • 1993–1994, 1996–1999 Factory-verified

      The 1992 guide prints the package as Z03, so 1992 is left out

      GM Heritage factory kit — 1993 Chevrolet Suburban, p.5.
      GM Heritage factory kit — 1994 Chevrolet Suburban, p.9.
      GM Heritage factory kit — 1996 Chevrolet Suburban, p.7.
      GM Heritage factory kit — 1997 Chevrolet Suburban, p.14.
      GM Heritage factory kit — 1998 Chevrolet Suburban, p.54.
      GM Heritage factory kit — 1999 Chevrolet Suburban, p.32.
    Suburban — Square body (1983–1991)
    • 1990, 1991 Factory-verified

      the driver's convenience package with Comfortilt steering wheel and electronic speed control; the option pages print 203, so both years cite the trailering equipment charts that recommend ZQ3; the wording follows the GMT400 Suburban doc

      GM Heritage factory kit — 1990 Chevrolet Suburban, p.27.
      GM Heritage factory kit — 1991 Chevrolet Suburban, p.28.
    Tahoe — GMT400 (1995–1999)
    • 1996–1999 Factory-verified

      The kits print it as the tilt wheel and speed control convenience group; the order-guide rows print it as Z03 and the 1995 kit prints ZO3, so only the pages that print ZQ3 are cited

      GM Heritage factory kit — 1996 Chevrolet Tahoe, p.18.
      GM Heritage factory kit — 1997 Chevrolet Tahoe, p.34.
      GM Heritage factory kit — 1998 Chevrolet Tahoe, p.42.
      GM Heritage factory kit — 1999 Chevrolet Tahoe, p.16.
    TrailBlazer — GMT360 (2002–2009)
    • 2003 Factory-verified

      the 2003 kit's TrailBlazer and EXT order guides print it with the Driver Message Center, dual-zone automatic air conditioning (CJ2), the auto-dimming mirror (DD7) and the leather-wrapped steering wheel (STW); it requires OnStar (UE1), and the kit's new-features page adds it to the EXT 1SJ group, included with the North Face edition (Y92); the service lists do not print it

      GM Heritage factory kit — 2003 Chevrolet Trailblazer, p.115, p.144, p.161.

    Related codes · mentioned in these notes

    1LT1SJ1WT2032WTA2XAL9ASVCACCE1CJ2CMODD7ENYH9FK34

    This page aggregates every documented appearance of ZQ3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.