See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...

Adaptive Forward Lighting (AFL) Light
This light should come on briefly as the vehicle is started. If it does not come on, have the vehicle serviced by your dealer. This light comes on solid when there is a problem with the Adapti ...

Obstacle Detection Feature
The Obstacle Detection Feature is part of the express-up feature and is active: - In the middle and upper portions of the window opening. - During window up movements. - In ignition OFF during a ...