See also:

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroi ...

Connecting and Controlling a USB Drive (Radio with CD and Radio with CD/DVD/MEM)
The infotainment system can only play back .mp3 and .wma files from a USB drive. Only the first 2,500 songs are recognized on the device. When a device is not supported, the message “No su ...

Customer Assistance Offices (Mexico)
To contact the Customer Assistance Center (CAC), use the phone numbers listed in this section. Customer assistance is available Monday through Friday, 08:00 to 20:00 hours, and Saturdays from ...