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 ...

Bluetooth (Overview)
For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. For vehicles equipped with Bluetoot ...

Theater Dimming
This feature allows for a three to five second fade out of the courtesy lamps instead of immediate turn off. ...