GMC Terrain: Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
Languages
The vehicle can be programmed to respond in French or Spanish. Push Q and ask
an Advisor. Advisors can speak French or Spanish. ...
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. ...
See also:
Random playback
Pressing (RDM) changes modes in
the following order:
Folder random → Disc random → Off ...
Recommended cold tire inflation pressure
For recommended cold tire inflation
pressure for your vehicle’s tires,
refer to “Tires”. ...
If You Can Not Shift Automatic Transmission Gearshift Lever Out of “P” (PARK)
Vehicles with an automatic transmission have an electrically operated park-lock
feature. If the vehicle’s battery is discharged, or there is some other electrical
failure, the automatic transm ...