The infotainment system has an electronic security system installed to prevent theft.
The infotainment system only works in the vehicle in which it was first installed, and cannot be used in another vehicle.
Infotainment
Overview#PIC5904: OnStar Account Issues Causing No Connect Concern - (Aug 20, 2013)
Subject:OnStar Account Issues Causing No Connect ConcernModels: 2002-2014 GM Passenger Cars and Trucks The following diagnosis might be helpful if the vehicle exhibits the symptom(s) describedin this PI.Condition/ConcernA customer may report they are not able to connect to OnStar on blue button ...