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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    R9W Factory-verified

    Chevrolet · Regular Production Option

    Mobile Service Plus, deleted

    Years 1991–99, 2003, 2005–07, 2025–27 Models 32 Factory citations 96
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    Also described as Rear-window defogger not desiredDefogger, rear window, not desiredRear window defogger, not desiredMobile Service Plus deletedDefogger, rear window, delete

    Also documented for BuickCadillacGMC

    Documented applications

    Beretta — L-body (1987–1996)
    • 1994–1996 Factory-verified

      one of C49 or R9W must be specified; same description as cavalier-gen2 and cavalier-gen3

      GM Heritage factory kit — 1994 Chevrolet Beretta, p.12.
      GM Heritage factory kit — 1995 Chevrolet Beretta, p.12.
      GM Heritage factory kit — 1996 Chevrolet Beretta, p.10.
    Camaro — Gen 4 (1993–2002)
    • 1993–1997 Factory-verified

      ordered when the electric defogger C49 is declined

      GM Heritage factory kit — 1993 Chevrolet Camaro, p.10.
      GM Heritage factory kit — 1994 Chevrolet Camaro, p.7.
      GM Heritage factory kit — 1995 Chevrolet Camaro, p.8.
      GM Heritage factory kit — 1996 Chevrolet Camaro, p.14.
      GM Heritage factory kit — 1997 Chevrolet Camaro, p.10.
    Corsica — L-body (1987–1996)
    • 1994–1996 Factory-verified

      one of C49 or R9W must be specified; same description as beretta-gen1

      GM Heritage factory kit — 1994 Chevrolet Corsica, p.10.
      GM Heritage factory kit — 1995 Chevrolet Corsica, p.8.
      GM Heritage factory kit — 1996 Chevrolet Corsica, p.6.
    Equinox EV — Ultium BEV2 (2024–2027)
    Express — GMT610 (2003–2027)
    Impala SS — seventh generation (1994–1996)
    • 1995 Factory-verified

      order code when no C49 is wanted; not with group 1SK; the 1994 guide prints A9W for the same item (an R read as A), so 1994 is not claimed

      GM Heritage factory kit — 1995 Chevrolet Impala, p.11.
    Lumina — second generation (1995–2001)
    • 1995–1996, 1999 Factory-verified internal
      GM Heritage factory kit — 1995 Chevrolet Lumina, p.10.
      GM Heritage factory kit — 1996 Chevrolet Lumina, p.18.
      GM Heritage factory kit — 1996 Chevrolet Lumina, p.22.
      GM Heritage factory kit — 1999 Chevrolet Lumina, p.12.
    Silverado EV — BT1 (2024–2027)
    TrailBlazer — GMT360 (2002–2009)
    • 2005–2007 Factory-verified

      the kit prints it with the C49 electric defogger as the choice to specify; the service lists do not print it

      GM Heritage factory kit — 2005 Chevrolet Trailblazer, p.111.
      GM Heritage factory kit — 2006 Chevrolet Trailblazer, p.128.
      GM Heritage factory kit — 2007 Chevrolet Trailblazer, p.131.
    Uplander (2005–2008)
    • 2005–2007 Factory-verified

      the 2007 kit prints the code without its name

      GM Heritage factory kit — 2005 Chevrolet Uplander, p.96.
      GM Heritage factory kit — 2006 Chevrolet Uplander, p.112.
      GM Heritage factory kit — 2007 Chevrolet Uplander, p.92.
    Venture — U-body minivan (1997–2005)
    • 1997–1998, 2003, 2005 Factory-verified

      the 2003 order guide reads rear defogger not desired; the service lists do not print it.

      GM Heritage factory kit — 1997 Chevrolet Venture, p.45.
      GM Heritage factory kit — 1998 Chevrolet Venture, p.26.
      GM Heritage factory kit — 2003 Chevrolet Venture, p.102.
      GM Heritage factory kit — 2005 Chevrolet Venture, p.93.

    Related codes · mentioned in these notes

    1LS1LT1SK1WT2LT2WT3LTA9WC49TREZ71

    This page aggregates every documented appearance of R9W in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.