See also:

Reporting Safety Defects toGeneral Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us. Please call us at 1-800-521-7300, or write: Buick Customer Assistance Cente ...

Navigation System
If the vehicle has a navigation system, there is a separate navigation system manual that includes information on the radio, audio players, and navigation system. The navigation system provides det ...

Turning the System On or Off
VOL/ (Volume/Power): Press to turn the system on and off. Automatic Switch-Off If the infotainment system has been turned on after the ignition is turned off, the system will turn off autom ...