GMC Terrain: 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.
Global Positioning System (GPS)
○ Obstruction of the GPS can occur in a large city with tall buildings; in parking
garages; around airports; in tunnels, underpasses, or parking garages; or in an
area with very dense trees. ...
Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum
capacity, this message may come on. Push Q to try the call again or try again after
driving a few miles into anoth ...
See also:
Faults in the system
If the information symbol illuminates and Park
assist syst Service required is shown on the
information display, this indicates that the system
is not functioning properly and has been
disenga ...
Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use leather care agents that have
been recommended and approved by Mercedes- Benz.
...
To arm the system using remote transmitter
1. Close all windows and the moonroof (if
equipped).
2. Remove the key from the ignition
switch.
3. Open the doors and get out of the
vehicle.
4. Make sure that the engine hood is
locked.
...
