See also:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system ...

Removing the Fence
Unlock by turning both latches (A) to align with the arrow on the adapter (B). Lift and remove the fence. ...

Active Head Restraints
The vehicle has an active head restraint system in the front seating positions. These automatically tilt forward to reduce the risk of neck injury if the vehicle is hit from behind. ...