Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.
Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Security Light
The security light should come on
briefly as the engine is started. If the
system is working normally, the
indicator light turns off. If it does not
come on, have the vehicle serviced
by y ...
Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every
5 000 km/ 3,000 mi.
Have underbody flushing service performed once a year.
...
Theft-Deterrent Feature
The theft-deterrent feature works by learning a portion of the Vehicle
Identification Number (VIN) to the infotainment system.
The infotainment system does not operate if it is stolen or moved to ...