For purposes of the 2018-3 Servicing Agreement, all demands, notices, directions, requests and communications hereunder shall be in writing and shall be delivered or mailed by registered or certified first-class United States mail, postage prepaid, hand delivery, prepaid courier service, or facsimile transmission, and addressed in each case as follows: (a) if to the Servicer, GM Financial, 801 Cherry Street, Suite 3500, Fort Worth, Texas, 76102, Attention: Chief Financial Officer, and (b) if to the Indenture Trustee, Wells Fargo Bank, National Association, 600 South 4th Street, MAC N9300-061, Minneapolis, Minnesota 55479. Notices to the other parties to this 2018-3 Servicing Supplement shall be delivered as provided in Section 6.5 of the Basic Servicing Agreement.