FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * VASSALLUZZO SCOTT J   2. Issuer Name and Ticker or Trading Symbol CREDIT ACCEPTANCE CORP [CACC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Member of Section 13(d) Group (Last) (First) (Middle) 323 RAILROAD AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 09/17/2012 (Street) GREENWICH, CT 06830 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/17/2012   S   15,000 D $ 90.3651 44,648 I By Thomas W. Smith Foundation (1) Common Stock 09/18/2012   S   8,272 D $ 90.2053 143,483 I By Scott J. Vassalluzzo Family Accounts (2) Common Stock 09/19/2012   S   11,728 D $ 89.5779 131,755 I By Scott J. Vassalluzzo Family Accounts (2) Common Stock               60,475 D (3)   Common Stock               1,709,407 I By Prescott Associates L.P. (4) (10) Common Stock               1,501,623 I By Idoya Partners L.P. (5) (10) Common Stock               71,778 I By Prescott International Partners L.P. (6) (10) Common Stock               145,939 I By Prescott Investors Profit Sharing Trust (7) Common Stock               49,750 I By Thomas W. Smith Family Accounts (8) Common Stock               722,272 D (9)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
VASSALLUZZO SCOTT J 323 RAILROAD AVENUE GREENWICH, CT 06830	X	X		Member of Section 13(d) Group
SMITH THOMAS W 323 RAILROAD AVENUE GREENWICH, CT 06830		X		Member of Section 13(d) Group

Signatures

/s/ Thomas W. Smith		09/19/2012
**Signature of Reporting Person		Date
/s/ Scott J. Vassalluzzo		09/19/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These shares are owned directly by the Thomas W. Smith Foundation (the "Foundation") and are beneficially owned indirectly by Thomas W. Smith as trustee of the Foundation. Mr. Smith disclaims beneficial ownership of these shares in excess of his pecuniary interest under 16a-8(b)(2)(ii). The address for the Foundation is 323 Railroad Avenue, Greenwich, CT 06830.
(2)	These shares are owned directly by investment accounts established for the benefit of certain family members of Scott J. Vassalluzzo. The inclusion of these shares in this report shall not be deemed an admission of beneficial ownership for purposes of Section 16 or any other purpose and Mr. Vassalluzzo disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
(3)	These shares are owned directly by Scott J. Vassalluzzo and include 5,475 restricted stock units that have vested under the Issuer's Incentive Compensation Plan. Each restricted stock unit represents and has a value equal to one share of common stock of Credit Acceptance Corporation. Shares will be distributed to Mr. Vassalluzzo on February 22, 2016.
(4)	These shares are owned directly by Prescott Associates L.P. ("Prescott Associates"), a private investment limited partnership, and are beneficially owned indirectly by Prescott General Partners LLC ("PGP") as general partner of Prescott Associates. Messrs. Smith and Vassalluzzo are each a managing member of PGP. PGP disclaims beneficial ownership of these shares in excess of its pecuniary interest under Rule 16a-1(a)(2)(ii)(B). The address for Prescott Associates is 323 Railroad Avenue, Greenwich, CT 06830.
(5)	These shares are owned directly by Idoya Partners L.P. ("Idoya"), a private investment limited partnership, and are beneficially owned indirectly PGP as general partner of Idoya. PGP disclaims beneficial ownership of these shares in excess of its pecuniary interest under Rule 16a-1(a)(2)(ii)(B). The address for Idoya is 323 Railroad Ave, Greenwich, CT 06830.
(6)	These shares are owned directly by Prescott International Partners L.P. ("PIP"), a private investment limited partnership, and are beneficially owned indirectly by Prescott General Partners LLC ("PGP") as general partner of PIP. PGP disclaims beneficial ownership of these shares in excess of its pecuniary interest under Rule 16a-1(a)(2)(ii)(B). The address for PIP is 323 Railroad Avenue, Greenwich, CT 06830.
(7)	These shares are owned directly by the Prescott Investors Profit Sharing Trust (the "Trust") and are beneficially owned indirectly by Messrs. Smith and Vassalluzzo as trustees of the Trust. Each of Messrs. Smith and Vassalluzzo disclaims beneficial ownership of these shares in excess of his pecuniary interest under Rule 16a-8(b)(2)(ii). The address of the Trust is 323 Railroad Avenue, Greenwich, CT 06830.
(8)	These shares are owned directly by investment accounts established for the benefit of certain family members of Mr. Smith. The inclusion of these shares in this report shall not be deemed an admission of beneficial ownership for purposes of Section 16 or any other purpose and Mr. Smith disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
(9)	These shares are owned directly by Thomas W. Smith.
(10)	The inclusion of these shares in this report shall not be deemed an admission of beneficial ownership for purposes of Section 16 or any other purpose and each of Messrs. Smith and Vassalluzzo disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

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