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                                                                     EXHIBIT 3.2

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                           FOURTH AMENDED AND RESTATED

                               OPERATING AGREEMENT

                                       OF

                         ADVANCED ACCESSORY SYSTEMS, LLC

                     (A DELAWARE LIMITED LIABILITY COMPANY)

                           DATED AS OF APRIL 15, 2003


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                           FOURTH AMENDED AND RESTATED

                               OPERATING AGREEMENT

                                       OF

                         ADVANCED ACCESSORY SYSTEMS, LLC

          FOURTH AMENDED AND RESTATED OPERATING AGREEMENT (the "AGREEMENT") of
ADVANCED ACCESSORY SYSTEMS, LLC (the "COMPANY"), dated as of April 15, 2003, by
and among CHAAS Acquisitions, LLC (the "MANAGING MEMBER") and any person
hereafter admitted to the Company pursuant hereto (collectively with the
Managing Member, the "MEMBERS").

                              PRELIMINARY STATEMENT

          WHEREAS, the Company was formed on August 28, 1995 pursuant to the
Delaware Limited Liability Company Act, 6 Del. C. Sections 18-101, ET SEQ., as
amended from time to time (the "DELAWARE ACT");

          WHEREAS, certain of the former members of the Company were party to
that certain Operating Agreement dated as of September 28, 1995, which was
amended and restated by the then current members of the Company on October 30,
1996 and August 5, 1997 (as so amended and restated, the "PRIOR OPERATING
AGREEMENT");

          WHEREAS, [on the date hereof], the Managing Member purchased 100% of
the ownership interests in the Company, all in accordance with the terms and
conditions of that certain Securities Purchase Agreement (the "SECURITIES
PURCHASE AGREEMENT"), dated as of April 15, 2003, among the Company, the
Managing Member and the holders of all of the issued and outstanding equity
interests of the Company immediately prior to the date hereof;

          WHEREAS, the Company and the Managing Member desire to enter into this
Agreement for the purpose of amending and restating the Prior Operating
Agreement;

          NOW, THEREFORE, the agreement governing the Company is amended and
restated as follows:

          1.   NAME. The name of the Company is "Advanced Accessory Systems,
LLC".

          2.   PURPOSE.

          (a)  The Company is organized for the purpose of engaging in any and
all activities permitted under applicable law, including, without limitation,
engaging in investment, trading or financing activities of all kinds (for its
own account or the account of others) and carrying on any business relating
thereto or arising therefrom, including entering into any

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partnership, limited liability company, joint venture or other similar
arrangement or owning interests in any entity engaged in any of the foregoing
activities.

          (b)  The Company shall have the power to engage in all actions,
proceedings, activities and transactions that the Managing Member may deem
necessary or advisable in connection with the foregoing purposes.

          3.   REGISTERED OFFICE; REGISTERED AGENT. The registered office of the
Company in the State of Delaware is The Prentice-Hall Corporation System, Inc.,
32 Loockarman Square, Suite L-100, Dover, Delaware 19904. The name and address
of the registered agent of the Company for service of process on the Company in
the State of Delaware is National Corporate Research, Ltd., 615 South DuPont
Highway, Dover, Delaware 19901.

          4.   MEMBERS. The name and the address of the Managing Member is as
follows:

<Table>
<Caption>
          Name                                          Address
          ----                                          -------
                                                     
          CHAAS Acquisitions, LLC                       c/o Castle Harlan, Inc.
                                                        150 East 58th St.
                                                        New York, New York 10155
</Table>

          5.   MANAGEMENT OF THE COMPANY. The business and affairs of the
Company shall be managed by the Managing Member, who shall have the power and
authority, on behalf of the Company, to take any action of any kind not
inconsistent with the provisions of this Agreement and to do anything and
everything it deems necessary or appropriate to carry on the business and
purposes of the Company[, including, but not limited to:

          (a)  to manage and direct the business affairs of the Company, to do
any and all acts on behalf of the Company and to exercise all rights of the
Company with respect to its interest in any other person, corporation,
partnership or other entity, including, without limitation, the voting of
securities, exercise of redemption rights, participation in arrangements with
creditors, the institution, defense and settlement or compromise of suits and
administrative proceedings and other like or similar matters;

          (b)  to acquire, own, lease, sublease, manage, hold, deal in, control
or dispose of any interests or rights in real or personal property;

          (c)  to hire employees, consultants, attorneys, accountants,
appraisers and other advisers for the Company;

          (d)  to open, trade and otherwise conduct accounts with brokers and
dealers;

          (e)  to open, maintain and close bank accounts and draw checks or
other orders for the payment of funds;

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          (f)  to borrow money or obtain credit from banks, lending institutions
or any other person;

          (g)  to assume obligations, incur liabilities, lend money or otherwise
use the credit of the Company;

          (h)  to direct the formulation of investment policies and strategies
for, and perform all other acts on behalf of, the Company and any entities for
which the Company acts as general partner, adviser, manager or in other similar
capacities, including those activities specified above in clauses (a) and (b);
and

          (i)  to organize one or more corporations or other entities to hold
record title, as nominee for the Company, to securities, funds or other assets
of the Company.]

          There shall not be a "manager" (within the meaning of the Delaware
Act) of the Company. The Managing Member is, to the extent of its rights and
powers set forth in this Agreement, an agent of the Company for the purpose of
the Company's business, and the actions of the Managing Member taken in
accordance with such rights and powers shall bind the Company.

          6.   OFFICERS; DESIGNATION; TERM; QUALIFICATIONS. The Managing Member
may, from time to time, designate one or more Persons to be Officers of the
Company, such Persons to serve in such offices until resignation or removal. Any
Officer so designated shall have such authority and perform such duties as the
Managing Member is permitted to perform under this Agreement and may, from time
to time, delegate to such person. The Managing Member may assign titles to
particular Officers, and unless the Managing Member decides otherwise, the
assignment of such title shall constitute the delegation to such Officer of the
authority and duties that are normally associated with that office. Each Officer
shall hold office for the term for which such Officer is designated and until
his or her successor shall be duly designated and shall qualify or until his or
her death, resignation or removal (with or without cause) by the Initial Member
or as otherwise provided in this Agreement. Any person may hold any number of
offices. No Officer need be a manager, a Member, a Delaware resident or a United
States citizen. Designation of such a person as an Officer of the Company shall
not of itself create any contract rights in such person. The Managing Member
hereby initially appoints Terence C. Seikel as Chief Executive Officer of the
Company.

          7.   INDEMNIFICATION OF MANAGERS, OFFICERS, EMPLOYEES AND AGENTS.
(a) Each person who was or is made a party or is threatened to be made a party
to or is otherwise involved in any action, suit or proceeding, whether civil,
criminal, administrative or investigative (hereinafter, a "proceeding") by
reason of the fact that he or she is or was a Managing Member or an officer of
the Company, or is or was serving at the request of the Company as a manager,
director, officer, employee or agent of another limited liability company or of
a corporation, partnership, joint venture, trust or other enterprise, including
a service with respect to an employee benefit plan (hereinafter an
"indemnitee"), whether the basis of such a proceeding is alleged action in an
official capacity as a Managing Member, officer, employee or agent or in any
other capacity while serving as a Managing Member, officer, employee or agent,
shall be indemnified and held harmless by the Company to the fullest extent
authorized by the Delaware

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Act (including indemnification for negligence or gross negligence but excluding
indemnification (i) for acts or omissions involving actual fraud or willful
misconduct or (ii) with respect to any transaction from which the indemnitee
derived an improper personal benefit), against all expense, liability and loss
(including attorneys' fees, judgments, fines, excise taxes or penalties and
amounts paid in settlement) reasonably incurred or suffered by such indemnitee
in connection therewith.

               (b)  The right to indemnification conferred in Section 7(a) shall
include the right to be paid by the Company the expenses (including attorneys'
fees) incurred in defending any proceeding in advance of its final disposition
(hereinafter an "advancement of expenses"). The rights to indemnification and to
the advancement of expenses conferred in Section 7(a) and this Section 7(b)
shall be contract rights and such rights shall continue as to an indemnitee who
has ceased to be a Managing Member, officer, employee or agent and shall inure
to the benefit of the indemnitee's heirs, executors and administrators.

               c)   The rights to indemnification and to the advancement of
expenses conferred in this Section 7 shall not be exclusive of any other right
that any person may have or hereafter acquire under any statute, agreement, vote
of the Managing Member, or otherwise.

               d)   The Company may maintain insurance, at its expense, to
protect itself and any Managing Member, officer, employee or agent of the
Company or another limited liability company, consultant, corporation,
partnership, joint venture, trust or other enterprise against any expense,
liability or loss, whether or not the Company would have the power to indemnify
such person against such expense, liability or loss under the Delaware Act.

               e)   The Company may, to the extent authorized from time to time
by the Managing Members, grant rights to indemnification and to advancement of
expenses to any employee or agent of the Company to the fullest extent of the
provisions of this Section 7 with respect to the indemnification and advancement
of expenses of the Managing Member and officers of the Company.

          8.   DISSOLUTION. The Company shall be dissolved and its affairs shall
be wound up upon the earlier to occur of: (a) determination by the Managing
Member; and (b) the dissolution of the Managing Member.

          9.   INITIAL CAPITAL CONTRIBUTIONS; PERCENTAGE INTERESTS. The Managing
Member has made a capital contribution to the Company in the amount set forth in
the books and records of the Company. The capital account (the "CAPITAL
ACCOUNT") of each Member shall be in an amount equal to such Member's initial
capital contribution, adjusted from time to time for additional contributions,
withdrawals, allocations of appreciation and depreciation and other appropriate
items. The "PERCENTAGE INTERESTS" of the Members in the Company are determined
for each Member of the Company by dividing the amount of each Member's Capital
Account by the aggregate Capital Accounts of all Members. The sum of the
Percentage Interests shall equal 100 percent.

          10.  ADDITIONAL CONTRIBUTIONS. No Member shall have any obligation to
make additional capital contributions to the Company.

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          11.  TAX MATTERS. The Managing Member intends that the Company not be
treated as an association for Federal income tax purposes. The Company shall
maintain a Capital Account for each Member in accordance with Treasury
Regulation Section 1.704-1(b). The Company's taxable income and tax losses shall
be allocated PRO RATA based on Percentage Interests. The Managing Member shall
act as the "tax matters partner" within the meaning of Section 6231(a)(7) of the
Internal Revenue Code of 1986, as amended.

          12.  DISTRIBUTIONS. Distributions shall be made to the Members at the
times and in the aggregate amounts determined by the Managing Member.
Notwithstanding the foregoing, distributions made in connection with a sale of
all or substantially all the Company's assets or a liquidation of the Company
shall be made in accordance with the Capital Account balances of the Members
within the time period set forth in Treasury Regulation Section
1.704-1(b)(2)(ii)(b)(3).

          13.  ADMISSION OF ADDITIONAL OR SUBSTITUTE MEMBERS. The Company may
admit substitute or additional members at the Managing Member's discretion, the
names of which shall be inscribed on SCHEDULE I hereto from time to time.

          14.  LIABILITY OF THE MEMBERS. The Members shall not have any
liability for the obligations or liabilities of the Company except to the extent
expressly provided in the Delaware Act.

          15.  BENEFITS OF AGREEMENT. None of the provisions of this Agreement
shall be for the benefit of or enforceable by any creditor of the Company or of
any Member.

          16.  HEADINGS. The titles of Sections of this Agreement are for
convenience of reference only and shall not define or limit any of the
provisions of this Agreement.

          17.  GOVERNING LAW. This Agreement shall be governed by, and construed
in accordance with, the laws of the State of Delaware, without giving effect to
conflicts of law principles of such State.

          18.  AMENDMENTS. This Agreement may be amended only by written
instrument executed by the Members.

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          IN WITNESS WHEREOF, the undersigned has duly executed this Limited
Liability Company Agreement as of the date and year first written above.


                                                CHAAS ACQUISITIONS, LLC


                                                By: /s/ Marcel Fournier
                                                    ----------------------------
                                                    Name: Marcel Fournier
                                                    Title: Senior Vice-President


Advanced Accessory Systems Operating Agreement

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                                   SCHEDULE I

                               ADDITIONAL MEMBERS

<Table>
<Caption>
                                                             Initial Capital
      Member Name               Percentage Interest           Contribution
      -----------               -------------------          ---------------
                                                        
CHAAS Acquisitions, LLC                 100%                  $ 99,500,000
</Table>

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