GMC Electric Vehicle Customer Care No.

Important Links

Important Contacts

Sr No. Service Contact No.
General Assistance
1 For questions about your GMC vehicle, new vehicles or my account information: 1-800-462-8782
2 For the hearing and speech impaired, please call our Telecommunication Relay service at for assistance: 711
Mon-Sat: 8am-9pm (EST)
Sunday: Closed
3 For help with adaptive equipment for persons with disabilities: 1-800-323-9935
Roadside Assistance
4 Gas Powered Vehicles: 1-888-881-3302
5 Canadian Gas-Powered Vehicles: 1-800-268-6800
6 Electric Vehicles (EV): 1-844-515-1418
7 Canadian Electric Vehicles (EV): 1-844-637-1756
Finance Service
8 For questions about My GMC Rewards please call us at: 1-844-764-2665
Mon-Sat 9am-8pm (EST) Sunday: Closed
9 For assistance with your GM Financial account: 1-800-284-2271
Mon-Thu: 8am-7pm (EST)
Fri: 8am-6pm
(EST) Sat: 8am-3pm (EST)
Sunday: Closed
10 National Highway Traffic Safety Administration (NHTSA) 888-327-423

Customer Assistance Centers

Sr No. Country Address
1 United States GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172
2 Canada Canada - GM of Canada 1908 Colonel Sam Oshawa, Ontario L1H 8P7, Canada Mail Code 163-005

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