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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    A90 Factory-verified

    Chevrolet · Regular Production Option

    Power trunk opener

    Years 1963–79, 1982–02, 2005, 2009, 2018–19 Models 24 Factory citations 89
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    Also described as Rear Compartment Lid Release - Electric ControlElectric trunk openerPower trunk releaseLock control, rear compartment, lid, remote control electric releaseHatch release, powerLock control, rear compartment lid, remote electric releaseTrunk lid release, electric, remoteTrunk release, power, remoteLock control, rear compartment lid, remote control electric releaseRear compartment lid, remote control, electronic releaseLock control, rear compartment lid, remote control, electric releaseTrunk lid release, power

    Also documented for BuickOldsmobilePontiac

    Documented applications

    Monte Carlo
    • 1970–1971 Factory-verified
      GM Heritage factory kit — 1970 Chevrolet Monte Carlo, p.75.
      GM Heritage factory kit — 1971 Chevrolet Monte Carlo, p.36.
    Beretta — L-body (1987–1996)
    • 1988–1989, 1991, 1993–1996 Factory-verified

      the 1994 page prints A9O; 1992 is not claimed (its pages print A9D and ASO); 1995–1996 from the convenience pages (pp.77, 48: 'Optional (A90) Power Release'); 1990 not claimed: the order guides list the power trunk opener only as a preferred equipment group row (owner ruling 2026-10-29)

      GM Heritage factory kit — 1988 Chevrolet Beretta, p.33.
      GM Heritage factory kit — 1989 Chevrolet Beretta, p.33.
      GM Heritage factory kit — 1991 Chevrolet Beretta, p.49.
      GM Heritage factory kit — 1993 Chevrolet Beretta, p.47.
      GM Heritage factory kit — 1994 Chevrolet Beretta, p.55.
      GM Heritage factory kit — 1995 Chevrolet Beretta, p.77.
      GM Heritage factory kit — 1996 Chevrolet Beretta, p.48.
    Camaro — Gen 3 (1982–1992)
    • 1982–1987, 1989–1992 Factory-verified
      GM Heritage factory kit — 1982 Chevrolet Camaro, p.30.
      GM Heritage factory kit — 1983 Chevrolet Camaro, p.26.
      GM Heritage factory kit — 1984 Chevrolet Camaro, p.4.
      GM Heritage factory kit — 1985 Chevrolet Camaro, p.22.
      GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.
      GM Heritage factory kit — 1987 Chevrolet Camaro, p.34.
      GM Heritage factory kit — 1989 Chevrolet Camaro, p.41.
      GM Heritage factory kit — 1990 Chevrolet Camaro, p.47.
      GM Heritage factory kit — 1991 Chevrolet Camaro, p.31.
      GM Heritage factory kit — 1992 Chevrolet Camaro, p.91.
    Camaro — Gen 4 (1993–2002)
    Caprice — third generation, B-body (1983–1990)
    • 1984–1990 Factory-verified

      the 1990 sheet prints A9O

      GM Heritage factory kit — 1984 Chevrolet Caprice, p.36.
      GM Heritage factory kit — 1985 Chevrolet Caprice, p.38.
      GM Heritage factory kit — 1986 Chevrolet Caprice, p.38.
      GM Heritage factory kit — 1987 Chevrolet Caprice, p.41.
      GM Heritage factory kit — 1988 Chevrolet Caprice, p.65.
      GM Heritage factory kit — 1989 Chevrolet Caprice, p.52.
      GM Heritage factory kit — 1990 Chevrolet Caprice, p.134.
    Caprice — fourth generation, B-body (1991–1996)
    • 1991–1995 Factory-verified

      the 1992 and 1994 sheets print A9O; 1995 rests on the wagon sheet

      GM Heritage factory kit — 1991 Chevrolet Caprice, p.79.
      GM Heritage factory kit — 1992 Chevrolet Caprice, p.42.
      GM Heritage factory kit — 1993 Chevrolet Caprice, p.60.
      GM Heritage factory kit — 1994 Chevrolet Caprice, p.63.
      GM Heritage factory kit — 1995 Chevrolet Caprice, p.195.
    Cavalier — first generation (1982–1987)
    • 1984–1987 Factory-verified

      1984, 1986–1987: not on wagons; 1985: not on the convertible

      GM Heritage factory kit — 1984 Chevrolet Cavalier, p.13.
      GM Heritage factory kit — 1985 Chevrolet Cavalier, p.33.
      GM Heritage factory kit — 1986 Chevrolet Cavalier, p.35.
      GM Heritage factory kit — 1987 Chevrolet Cavalier, p.35.
    Cavalier — second generation (1988–1994)
    • 1988–1991 Factory-verified

      the 1990 page prints A9O

      GM Heritage factory kit — 1988 Chevrolet Cavalier, p.32.
      GM Heritage factory kit — 1989 Chevrolet Cavalier, p.8.
      GM Heritage factory kit — 1990 Chevrolet Cavalier, p.32.
      GM Heritage factory kit — 1991 Chevrolet Cavalier, p.57.
    Celebrity — A-body (1982–1990)
    • 1985–1986, 1988 Factory-verified

      only in: coupe, sedan; 1989 is not claimed: the 1989 order guide lists the power trunk opener only in Preferred Equipment Group 3 (pp.6, 10), although the 1989 weight page lists A90 (owner ruling 2026-10-29); 1987 is not claimed: no dated page of that year prints the code as an entry of its own

      GM Heritage factory kit — 1985 Chevrolet Celebrity, p.40.
      GM Heritage factory kit — 1986 Chevrolet Celebrity, p.39.
      GM Heritage factory kit — 1988 Chevrolet Celebrity, p.44.
    Corsica — L-body (1987–1996)
    • 1988, 1991–1993, 1995–1996 Factory-verified

      same description as beretta-gen1; 1993 from the convenience page (the 1993 option-weight page p.38 is headed model year 1992 (footer MVMA-93), so it establishes no year); 1995–1996 from the convenience pages (pp.46, 41: 'Optional (A90) Power Release'); 1989–1990 and 1994 not claimed (the 1994 convenience page p.44 has no model-year header in the OCR): the order guides list the power trunk opener (with hatch release, 1989–1990) only as a preferred equipment group row (owner ruling 2026-10-29)

      GM Heritage factory kit — 1988 Chevrolet Corsica, p.31.
      GM Heritage factory kit — 1991 Chevrolet Corsica, p.39.
      GM Heritage factory kit — 1992 Chevrolet Corsica, p.40.
      GM Heritage factory kit — 1993 Chevrolet Corsica, p.32.
      GM Heritage factory kit — 1995 Chevrolet Corsica, p.46.
      GM Heritage factory kit — 1996 Chevrolet Corsica, p.41.
    Impala SS — seventh generation (1994–1996)
    • 1994, 1996 Factory-verified

      power trunk opener standard (1994 standard equipment summary) and power trunk release standard (1996 equipment summary); the 1994 sheet prints A9O; 1995 is left out: the only 1995 page printing it is weight page 40, headed Model Year 1994 1/2

      GM Heritage factory kit — 1994 Chevrolet Impala, p.55.
      GM Heritage factory kit — 1996 Chevrolet Impala, p.44.
    Lumina — first generation, W-body (1990–1994)
    • 1994 Factory-verified

      remote electric release of the rear compartment lid; the 1993 page prints ASO, so 1993 is not claimed; 1992 is not claimed: the page that prints it (1992 p.53) carries no readable model-year field; 1991 is not claimed: the dated 1991 order guide lists the trunk opener only as a preferred equipment group row, and the custom ordering options page that sells it alone (p.10) has no readable model-year field, so the 1991 weight page cannot carry the year

      GM Heritage factory kit — 1994 Chevrolet Lumina, p.40.
    Lumina — second generation (1995–2001)
    Monte Carlo — fourth generation (1983–1988)
    • 1983–1988 Factory-verified
      GM Heritage factory kit — 1983 Chevrolet Monte Carlo, p.30.
      GM Heritage factory kit — 1984 Chevrolet Monte Carlo, p.36.
      GM Heritage factory kit — 1985 Chevrolet Monte Carlo, p.30.
      GM Heritage factory kit — 1986 Chevrolet Monte Carlo, p.32.
      GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.40.
      GM Heritage factory kit — 1988 Chevrolet Monte Carlo, p.70.

    This page aggregates every documented appearance of A90 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.