Circuit/System Verification
NOTE:
The following verification requires the vehicle to be outside with an unobstructed view of the southern sky. Allow 5 minutes after turning key on for the GPS satellites to acquire vehicle signal.
Ignition ON, wait 5 minutes, then contact the OnStar® call center consultant by pressing the blue OnStar® button. A call center consultant should answer the call, verifying the vehicle OnStar® system is functioning and the consultant can locate the vehicle.