Exhibit 99.1

MONTHLY SERVICER'S CERTIFICATE

CARMAX BUSINESS SERVICES, LLC

CARMAX AUTO OWNER TRUST

SERIES 2014-3



Collection Period		02/01/18-02/28/18
Determination Date		3/9/2018
Distribution Date		3/15/2018

Additional information, including defined terms, can be found in the prospectus on the SEC's EDGAR system (http://www.sec.gov) under File No. 333-189212-05.



Pool Balance
1.	Pool Balance on the close of the last day of the preceding Collection Period			$	171,434,733.89
2.	Collections allocable to Principal			$	10,774,808.29
3.	Purchase Amount allocable to Principal			$	0.00
4.	Defaulted Receivables			$	513,370.47
5.	Pool Balance on the close of the last day of the related Collection Period			$	160,146,555.13
	(Ln1 - Ln2 - Ln3 - Ln4)
6.	Total number of Receivables outstanding on the close of the last day of the related Collection Period			23,159
7.	Initial Pool Balance			$	1,000,000,011.82
		Beginning of Period		End of Period
8.	Note Balances
	a. Class A-1 Note Balance	$	0.00	$	0.00
	b. Class A-2 Note Balance	$	0.00	$	0.00
	c. Class A-3 Note Balance	$	0.00	$	0.00
	d. Class A-4 Note Balance	$	109,934,733.83	$	98,646,555.07
	e. Class B Note Balance	$	12,000,000.00	$	12,000,000.00
	f. Class C Note Balance	$	22,500,000.00	$	22,500,000.00
	g. Class D Note Balance	$	22,000,000.00	$	22,000,000.00
	h. Note Balance (sum a - g)	$	166,434,733.83	$	155,146,555.07
9.	Pool Factors
	a. Class A-1 Note Pool Factor	0.0000000		0.0000000
	b. Class A-2 Note Pool Factor	0.0000000		0.0000000
	c. Class A-3 Note Pool Factor	0.0000000		0.0000000
	d. Class A-4 Note Pool Factor	0.9859617		0.8847225
	e. Class B Note Pool Factor	1.0000000		1.0000000
	f. Class C Note Pool Factor	1.0000000		1.0000000
	g. Class D Note Pool Factor	1.0000000		1.0000000
	h. Note Pool Factor	0.1664347		0.1551466
10.	Overcollateralization Target Amount			$	5,000,000.06
11.	Current overcollateralization amount (Pool Balance - Note Balance)			$	5,000,000.06
12.	Weighted Average Coupon			7.34		%
13.	Weighted Average Original Term	months		67.82
14.	Weighted Average Remaining Term	months		22.78
Collections
15.	Finance Charges:
	a. Collections allocable to Finance Charge			$	1,073,253.96
	b. Liquidation Proceeds allocable to Finance Charge			$	2,878.16
	c. Purchase Amount allocable to Finance Charge			$	0.00
	d. Available Finance Charge Collections (sum a - c)			$	1,076,132.12
16.	Principal:
	a. Collections allocable to Principal			$	10,774,808.29
	b. Liquidation Proceeds allocable to Principal			$	269,399.87
	c. Purchase Amount allocable to Principal			$	0.00
	d. Available Principal Collections (sum a - c)			$	11,044,208.16



17.	Total Finance Charge and Principal Collections (15d + 16d)	$	12,120,340.28
18.	Interest Income from Collection Account	$	10,351.35
19.	Simple Interest Advances	$	0.00
20.	Available Collections (Ln17 + 18 + 19)	$	12,130,691.63
Available Funds
21.	Available Collections	$	12,130,691.63
22.	Reserve Account Draw Amount	$	0.00
23.	Available Funds	$	12,130,691.63
Application of Available Funds
24.	Servicing Fee
	a. Monthly Servicing Fee	$	142,862.28
	b. Amount Unpaid from Prior Months	$	0.00
	c. Amount Paid	$	142,862.28
	d. Shortfall Amount (a + b - c)	$	0.00
25.	Unreimbursed Servicer Advances	$	0.00
26.	Successor Servicer Unpaid Transition Expenses and Indemnity Amounts (Capped at $175,000)
	a. Unpaid Transition Expenses and Indemnity Amounts (Capped at $175,000)	$	0.00
	b. Amount Paid	$	0.00
	c. Shortfall Amount (a - b)	$	0.00
27.	Class A Noteholder Interest Amounts
	a. Class A-1 Monthly Interest	$	0.00
	b. Additional Note Interest related to Class A-1 Monthly Interest	$	0.00
	c. Interest Due on Additional Note Interest related to Class A-1 Monthly Interest	$	0.00
	d. Total Class A-1 Note Interest (sum a - c)	$	0.00
	e. Class A-2 Monthly Interest	$	0.00
	f. Additional Note Interest related to Class A-2 Monthly Interest	$	0.00
	g. Interest Due on Additional Note Interest related to Class A-2 Monthly Interest	$	0.00
	h. Total Class A-2 Note Interest (sum e - g)	$	0.00
	i. Class A-3 Monthly Interest	$	0.00
	j. Additional Note Interest related to Class A-3 Monthly Interest	$	0.00
	k. Interest Due on Additional Note Interest related to Class A-3 Monthly Interest	$	0.00
	l. Total Class A-3 Note Interest (sum i - k)	$	0.00
	m. Class A-4 Monthly Interest	$	158,489.24
	n. Additional Note Interest related to Class A-4 Monthly Interest	$	0.00
	o. Interest Due on Additional Note Interest related to Class A-4 Monthly Interest	$	0.00
	p. Total Class A-4 Note Interest (sum m - o)	$	158,489.24
28.	Priority Principal Distributable Amount	$	0.00
29.	Class B Noteholder Interest Amount
	a. Class B Monthly Interest	$	20,400.00
	b. Additional Note Interest related to Class B Monthly Interest	$	0.00
	c. Interest Due on Additional Note Interest related to Class B Monthly Interest	$	0.00
	d. Total Class B Note Interest (sum a - c)	$	20,400.00
30.	Secondary Principal Distributable Amount	$	0.00
31.	Class C Noteholder Interest Amount
	a. Class C Monthly Interest	$	42,937.50
	b. Additional Note Interest related to Class C Monthly Interest	$	0.00
	c. Interest Due on Additional Note Interest related to Class C Monthly Interest	$	0.00
	d. Total Class C Note Interest (sum a - c)	$	42,937.50
32.	Tertiary Principal Distributable Amount	$	0.00



33.	Class D Noteholder Interest Amount
	a. Class D Monthly Interest	$	51,150.00
	b. Additional Note Interest related to Class D Monthly Interest	$	0.00
	c. Interest Due on Additional Note Interest related to Class D Monthly Interest	$	0.00
	d. Total Class D Note Interest (sum a - c)	$	51,150.00
34.	Quaternary Principal Distributable Amount	$	6,288,178.70
35.	Required Payment Amount (Ln 24 + Ln 26 + (sum of Ln 27 through Ln 34))	$	6,704,017.72
36.	Reserve Account Deficiency	$	0.00
37.	Regular Principal Distributable Amount	$	5,000,000.06
38.	Remaining Unpaid Servicer Transition Expenses, if any	$	0.00
39.	Additional Servicing Fees, if any	$	0.00
40.	Remaining Unpaid Successor Servicer Indemnity Amounts and Transition Expenses, if any	$	0.00
Collection Account Activity
41.	Deposits
	a. Total Daily Deposits of Finance Charge Collections	$	1,076,132.12
	b. Total Daily Deposits of Principal Collections	$	11,044,208.16
	c. Withdrawal from Reserve Account	$	0.00
	d. Interest Income	$	10,351.35
	e. Total Deposits to Collection Account (sum a - d)	$	12,130,691.63
42.	Withdrawals
	a. Servicing Fee and Unreimbursed Servicer Advances	$	142,862.28
	b. Successor Servicer Transition Expenses and Indemnity Amounts	$	0.00
	c. Deposit to Note Payment Account for Monthly Note Interest/Principal	$	11,561,155.50
	d. Deposit to Reserve Account	$	0.00
	e. Excess Collections (Deposit to Certificate Payment Account for payment to Certificateholder)	$	426,673.85
	f. Total Withdrawals from Collection Account (sum a - e)	$	12,130,691.63
Note Payment Account Activity
43.	Deposits
	a. Class A-1 Interest Distribution	$	0.00
	b. Class A-2 Interest Distribution	$	0.00
	c. Class A-3 Interest Distribution	$	0.00
	d. Class A-4 Interest Distribution	$	158,489.24
	e. Class B Interest Distribution	$	20,400.00
	f. Class C Interest Distribution	$	42,937.50
	g. Class D Interest Distribution	$	51,150.00
	h. Class A-1 Principal Distribution	$	0.00
	i. Class A-2 Principal Distribution	$	0.00
	j. Class A-3 Principal Distribution	$	0.00
	k. Class A-4 Principal Distribution	$	11,288,178.76
	l. Class B Principal Distribution	$	0.00
	m. Class C Principal Distribution	$	0.00
	n. Class D Principal Distribution	$	0.00
	o. Total Deposits to Note Payment Account (sum a - n)	$	11,561,155.50
44.	Withdrawals
	a. Class A-1 Distribution	$	0.00
	b. Class A-2 Distribution	$	0.00
	c. Class A-3 Distribution	$	0.00
	d. Class A-4 Distribution	$	11,446,668.00
	e. Class B Distribution	$	20,400.00
	f. Class C Distribution	$	42,937.50
	g. Class D Distribution	$	51,150.00
	h. Total Withdrawals from Note Payment Account (sum a - g)	$	11,561,155.50



Certificate Payment Account Activity
45.	Deposits
	a. Excess Collections	$	426,673.85
	b. Reserve Account surplus (Ln 55)	$	2,419.54
	c. Total Deposits to Certificate Payment Account (sum a - b)	$	429,093.39
46.	Withdrawals
	a. Certificateholder Distribution	$	429,093.39
	b. Total Withdrawals from Certificate Payment Account	$	429,093.39
Required Reserve Account Amount
47.	Lesser of: (a or b)
	a. $2,500,000.03	$	2,500,000.03
	b. Note Balance	$	155,146,555.07
48.	Required Reserve Account Amount	$	2,500,000.03
Reserve Account Reconciliation
49.	Beginning Balance (as of end of preceding Distribution Date)	$	2,500,000.03
50.	Investment Earnings	$	2,419.54
51.	Reserve Account Draw Amount	$	0.00
52.	Reserve Account Amount (Ln 49 + Ln 50 - Ln 51)	$	2,502,419.57
53.	Deposit from Available Funds (Ln 42d)	$	0.00
54.	If Reserve Account Balance exceeds Required Reserve Account Amount, payment to
	a. the Note Payment Account for the payment of principal to the extent of any unfunded Regular Principal Distribution Amount; and	$	0.00
	b. any Successor Servicer for the payment of any unfunded Transition Costs and Additional Servicing Fee	$	0.00
55.	Payment to Certificateholder if Reserve Account Balance exceeds Required Reserve Account Amount and to the extent no unfunded amounts described in Ln 54 exist	$	2,419.54
56.	Ending Balance (Ln52 + Ln53 - Ln54 - Ln55)	$	2,500,000.03
57.	Reserve Account Deficiency (Ln48 - Ln56)	$	0.00
Instructions to the Trustee
58.	Amount to be deposited from the Reserve Account into the Collection Account	$	0.00
59.	Amount to be paid to Servicer from the Collection Account	$	142,862.28
60.	Amount to be deposited from the Collection Account into the Note Payment Account	$	11,561,155.50
61.	Amount to be deposited from the Collection Account into the Certificate Payment Account	$	426,673.85
62.	Amount to be deposited from the Collection Account into the Reserve Account	$	0.00
63.	Amount to be deposited from the Reserve Account, if Reserve Account Balance exceeds Required Reserve Account Amount, into
	a. the Note Payment Account for any unfunded Regular Principal Distributable Amount	$	0.00
	b. the Certificate Payment Account for payment to the Certificateholder, if no unfunded Regular Principal distributable amount exists	$	2,419.54
64.	Amount to be paid to Class A-1 Noteholders from the Note Payment Account	$	0.00
65.	Amount to be paid to Class A-2 Noteholders from the Note Payment Account	$	0.00
66.	Amount to be paid to Class A-3 Noteholders from the Note Payment Account	$	0.00
67.	Amount to be paid to Class A-4 Noteholders from the Note Payment Account	$	11,446,668.00
68.	Amount to be paid to Class B Noteholders from the Note Payment Account	$	20,400.00
69.	Amount to be paid to Class C Noteholders from the Note Payment Account	$	42,937.50
70.	Amount to be paid to Class D Noteholders from the Note Payment Account	$	51,150.00
71.	Amount to be paid to Certificateholders from the Certificate Payment Account with respect to Excess Collections and Reserve Account surplus	$	429,093.39



Delinquency Activity
		Number of Loans	Principal Balance
72.	Delinquency Analysis
	a. 31 to 60 days past due	646	$	6,323,917.21
	b. 61 to 90 days past due	265	$	2,636,059.63
	c. 91 to 120 days past due	77	$	780,030.28
	d. 121 or more days past due	1	$	2,292.72
	e. Total Past Due (sum a - d)	989	$	9,742,299.84
	f. Delinquent Loans as a percentage of end of period Pool Balance (Ln 72e / Ln 5)		6.0834		%

Loss Activity
		Number of Loans	Principal Balance

73.	Defaulted Receivables (charge-offs)	51	$	513,370.47
74.	Recoveries	170	$	272,278.03
75.	Net Losses (Ln 73 - Ln 74)		$	241,092.44
76.	Ratio of Net Losses to Beginning of Period Pool Balance (Ln 75 / Ln 1)		0.1406		%

Cumulative Loss Activity
		Number of Loans	Principal Balance

77.	Defaulted Receivables (charge-offs)	2,631	$	35,360,153.63
78.	Recoveries	2,318	$	16,715,158.14
79.	Cumulative Net Losses (Ln 77 - Ln 78)		$	18,644,995.49
80.	Ratio of Cumulative Net Losses to Initial Pool Balance (Ln 79 / Ln 7)		1.8645		%
81.	Average Net Loss on Defaulted Receivables		$	7,086.66

Servicer Covenant
82.	CarMax, Inc Consolidated Tangible Net Worth as of the end of the Related Fiscal Quarter		$	3,292,050,000.00
83.	Is CarMax, Inc Consolidated Tangible Net Worth greater than $1,000,000,000?		Yes

IN WITNESS WHEREOF, the undersigned has duly executed this certificate on March 9, 2018.



CARMAX BUSINESS SERVICES, LLC

As Servicer

By:	/s/ Enrique Mayor-Mora

Name:	Enrique Mayor-Mora

Title:	Vice President and Treasurer

CarMax Auto Owner Trust 2014-3 10-D