See also:

Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants . Specification Use and ask for licensed engine oils with the ...

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 ...

Traction Control System (TCS)
The vehicle may have a traction control system that limits wheel spin. The system turns on automatically every time the vehicle is started. ► To turn off traction control, press and release the ...