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 ...

Window Messages
OPEN, THEN CLOSE DRIVER WINDOW This message is displayed when the window needs to be reprogrammed. If the vehicle's battery has been recharged or disconnected, you will need to reprogram each front ...

Outside Heated Mirrors
For vehicles with heated mirrors: (Rear Window Defogger): Press to heat the mirrors. See “Rear Window Defogger” under Climate Control System or Dual Automatic Climate Control System for ...