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 ...

Automatic Transmission Fluid
How to Check Automatic Transmission Fluid It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle t ...

Heated and Ventilated Seats
On vehicles with heated and ventilated seats, the controls are located on the front doors and the ignition must be on to use the feature. : Press to heat the seat and seatback. : Press to he ...