Contact Us


Your complete satisfaction is important to us. We have facilities, representatives, technicians, tools, and up-to-date information to promptly resolve your questions, or concerns. We provide multiple convenient ways to contact us 7 days a week, 24 hours a day.


Click the link below to open our e-mail contact form.

Email Buick


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

Buick Customer Assistance Center
P.O. Box 33136
Detroit, MI 48232-5136

GM of Canada
1908 Colonel Sam
Oshawa, Ontario
L1H 8P7, Canada
Mail Code 163-055


Your vehicle concerns are important to us. Please feel free to contact us with any questions or feedback. To better address your comments and concerns, please choose from the phone numbers below.

Buick Information Center: (to request literature)
1-800-4A-BUICK Monday - Friday, 8 a.m. - 9 p.m. Saturday, 9 a.m. - 6 p.m. (EST)

Buick's Customer Relations Center: (for Buick owners)
1-800-521-7300 Monday-Saturday - 8 a.m. - 9 p.m. (EST) Sunday - Closed

To order service bulletins about your Buick: 1-800-551-4123 Monday - Friday, 8 a.m. - 6 p.m. (EST)

Buick for persons with disabilities: (GM Mobility Center)
1-800-323-9935 Monday - Friday, 8 a.m. - 8 p.m. (EST)

Leasing a Buick using SmartLease: 1-800-32-SMART Monday - Friday, 8 a.m. to 9 p.m. (EST)

Applying for a GM Card: 1-800-8GM-CARD Open for applications 24 hours a day and 7 days a week