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:
Disc Player Error Messages (LX model)
If you see an error message in the
display while playing a disc, find the
cause in the chart to the right. If you
cannot clear the error message, take
your vehicle to your dealer.
The chart o ...
Jump starting
WARNING: The gases around the battery can explode if
exposed to flames, sparks, or lit cigarettes. An explosion could
result in injury or vehicle damage.
WARNING: Batteries contain sulfuric acid ...
Power Windows
Turn the ignition switch to the ON
(II) position to raise or lower any
window. To open the window, push
the switch down and hold it. Release
the switch when you want to stop the
window. ...