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:
Driving through water
If driving through deep or standing
water is unavoidable, proceed very
slowly. Never drive through water
that is higher than the bottom of
the wheel rims (for cars) or the
bottom of the hubs (for ...
How can my vehicle fail OBD II emission inspection?
Your vehicle can fail OBD II emission inspection
for any of the following reasons.
• If your Check Engine (MIL) light is lit, your
vehicle may fail inspection.
• If your vehicle's Check Engi ...
Programmed position loss
The powered tailgate may lose its position
memory if there are multiple object detections
or if battery voltage is low. Powered operation
may be inhibited. To reset the tailgate;
1. Manually close ...