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Looking for support for your current Buick or more information on a new Buick? We can help.

Owner support

Buick Support

Check out Buick Support for Owner’s Manuals, information on available support services, how-to instructions, tips and general information about the features on your vehicle. Bluetooth®*, OnStar®* and your Buick Infotainment System* are among the many features covered.
Go To Support

Account

Manage your profile and payments, view vehicle service and diagnostic information.
Access My Account

MyBuick mobile app

Use the myBuick mobile app* available on Apple CarPlay®* and Android Auto™*, to quickly schedule vehicle services, access Owner’s Manuals, use remote start*, request Roadside Assistance* and more.
Click icon to access the myBuick app on the Apple App Store.

Apple®, the Apple logo®, and App Store® are trademarks of Apple Inc., registered in the U.S. and other countries.
Click icon to access the myBuick app on the Google Play Store.

Google Play is a trademark of Google LLC. Third-party trademarks are the property of their respective third-party owners and used under agreement. Requires active service plan and paid AT&T vehicle data plan. See onstar.com for details and limitations.

Get vehicle information

Interested in product information or specs for your vehicle or a new Buick?
See Brochures
Request Info

Call us

The following Buick call centers are available to help with questions and general feedback during the hours listed below.

General assistance

For questions about your Buick vehicle, new vehicles or My Account information:

1-800-521-7300

For the hearing and speech impaired, please call our Telecommunication Relay service at 711 for assistance.

Monday–Saturday: 8 a.m. to 9 p.m. (EST)
Sunday: Closed

For help with adaptive equipment for persons with disabilities:

1-800-323-9935
Monday–Friday: 9 a.m. to 9 p.m. (EST)
Saturday & Sunday: Closed

Roadside Assistance

For help on the road, request Roadside Assistance* via the myBuick mobile app* or call us using the appropriate number below:

U.S. Gas-Powered Vehicles:

1-800-252-1112

Canadian Gas-Powered Vehicles:

1-800-268-6800

All lines available 24 hours.

Financial services

For questions about GM Rewards™ please call us at:

1-844-764-2665

Monday–Saturday: 9 a.m. to 8 p.m.

EST Sunday: Closed

For questions about the GM Rewards™ Mastercard®, GM Business™ Mastercard®, GM Extended Family™ Mastercard®, or GM Mastercard®: 

1-833-773-0990
Available 24/7 

For assistance with your GM Financial account:

1-800-284-2271
Monday–Thursday: 8 a.m. to 7 p.m. (EST)
Friday: 8 a.m. to 6 p.m. (EST)
Saturday: 8 a.m. to 3 p.m. (EST)
Sunday: Closed
Contact GM Financial

Send mail

Please mail your comments, questions or concerns to one of the following Customer Assistance Centers:

In the United States:

Buick Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172

In Canada:

Canada - GM of Canada
1908 Colonel Sam
Oshawa, Ontario
L1H 8P7, Canada
Mail Code 163-005

† The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Buick vehicles’ destination freight charges.

† The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Buick vehicles’ destination freight charges.