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Quick Links for Owners. My GM Account. OnStar Support. Certified Service. MyRewards.
Make GM your first choice when you need help with your GM vehicle - give us the opportunity to earn your trust and maintain your confidence. Contact Us Via Phone 1-866-636-2273
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.
Contact Us. Communicate with one of our specialists. Follow us and the future of transportation. Learn more about your GM vehicle and it's many driving, safety, maintenance, comfort and entertainment features. GM Vehicle Support is here to help.
Learn how to check the status of your vehicle limited warranties, the differences between a bumper-to-bumper and powertrain limited warranty, and details about Roadside Assistance. For limited warranty information on current models, visit the warranty page on experience.gm.com.
Please contact the GM Rewards Member Support Team for assistance with merging your accounts at (844) 764-2665. You’ll need to provide your My GM Rewards member ID and your My GM Rewards ® Mastercard ® number.
Need more help or have feedback? Communicate with one of our specialists. Discover how you can earn and redeem points to save on future qualifying GM services and purchases with My GM Rewards. Learn more today.
If you have the My GM Rewards Mastercard and have previously created a separate My GM Rewards account, you’ll need to merge them. Here’s how: Contact the Rewards Members Support at 800-634-4612 to help you identify your accounts and merge them together.
If you need assistance with the Service Information (SI) application (including the Labor Time Guide), contact the Techline Customer Support Center (TCSC): United States. 1-888-337-1010 prompt 3 1-248-265-9327 (Fax) Or visit the Techline web site at http://techline.gm.com
We have several payment options to fit your needs, including the ability to pay online or by mail, phone or credit card. To make a payment or set up auto pay, log in to gmfinancial.com/MyAccount or use the GM Financial mobile app for Android and iOS. Online payments made with a bank account are free.