See also:

Wiper Blade Replacement
Windshield wiper blades should be inspected for wear and cracking. See Maintenance Schedule for more information. Replacement blades come in different types and are removed in different ways. ...

Window Lockout
(Window Lockout): The rear window lockout button is located on the driver’s door armrest near the window switches. Press the right side of this button to disable the rear window controls. ...

Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-80 ...