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:
Wireless remote control
The wireless remote control can be used to lock and unlock the vehicle
from outside the vehicle.
Vehicles without smart key system
1 Locks all doors
2 Pushing and holding: Sounds alarm
3 Unlock ...
Tire Pressure Monitoring System (TPMS)
This vehicle is equipped with the Tire Pressure
Monitoring System (TPMS). It monitors tire
pressure of all tires except the spare. When
the low tire pressure warning light is lit and the
CHECK ...
Good braking practices
WARNING:
o Whenever leaving vehicle or parking,
always set the parking brake as far as
possible and fully engage the vehicle's
transaxle into the park position. Vehicles
not fully engaged in ...