See also:

Dual Automatic Climate ControlSystem
With this system you can control the heating, cooling and ventilation for your vehicle. When your vehicle is first started and the climate control system is on, or if the climate control system h ...

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. ...

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 Detroit, M ...