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 Detroi ...

Engine Oil Additives
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection. ...

Low Fuel Warning Light
This light, below the fuel gauge, comes on briefly when the engine is started. If it does not come on have the vehicle serviced by your dealer. If the system is working normally, the indic ...