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Find contact information for GM vehicle brands, such as Chevrolet, Buick, GMC and Cadillac. Also access quick links for owners, such as My GM Account, OnStar Support, Certified Service and more.
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Select a preferred dealer, schedule service, and get information on service offers, roadside assistance, parts and tires. Follow us and the future of transportation. Read and learn instructions, tips and information for your GM vehicle and available support services.
If you have issues with your GM vehicle, contact GM support staff for assistance. We offer phone and messaging options, and can help you with warranty, repair and lemon law concerns.
Find manuals, guides, service offers, accessories and parts for your GM vehicle. Contact GM specialists or follow GM on social media for more information.
Customer Relations Center Details: 1-800-462-8782. Monday - Saturday: 8 a.m. to 9 p.m. (EST) Sunday: Closed. GMC Online Owner Center: (for questions about managing your vehicle on GMC.com) 1-866-694-6546.
Information on visiting the dealership and scheduling service, roadside assistance, parts warranties, and service rebates.
Customer Assistance Center. For questions about your Chevrolet vehicle, new vehicles, your myChevrolet account and more: 1-800-222-1020. For the hearing and speech impaired, please call our Telecommunication Relay service at 711 for assistance.