See also:

Auto Defog
This will allow you to turn the auto defog on or off. Only vehicles with the dual zone climate control will have this option. Press SELECT when Auto Defog is highlighted to open the menu. Tur ...

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 ...

All-Wheel Drive
When to Check Lubricant It is not necessary to regularly check fluid unless you suspect there is a leak or you hear an unusual noise. A fluid loss could indicate a problem. Have it inspected and r ...