Customer Information

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Care of CDs and DVDs
Sound quality can be reduced due to disc quality, recording method, quality of the music recorded, and how the disc has been handled. Handle discs carefully and store them in their original c ...

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 Detroit, M ...

Steering Wheel Controls
Steering Wheel Controls For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel. : Press to interact with the available Bluetooth, OnSta ...