Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Programming the Power Windows
If the battery on the vehicle has been recharged, disconnected, or is not working,
the windows with the express-up feature will need to be reprogrammed for the feature
to work. Before reprogrammin ...
Door Ajar Light
For vehicles equipped with this light, it comes on when a door is open or not
securely latched. Before driving, check that all doors are properly closed. See
Door Ajar Messages for more in ...
Lighting
Select the Lighting menu and the
following will be displayed:
• Exit Lighting
• Vehicle Locator Lights ...