Roof

See also:

Heated Steering Wheel
For vehicles with a heated steering wheel, the button for this feature is located on the climate control system. : Press to turn the heated steering wheel on or off. A light on the button ...

Online Owner Center
Online Owner Center (United States only) The Owner Center is a resource for your GM ownership needs. Specific vehicle information can be found in one place. The Online Owner Center allows you to: ...

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 ...