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:
Vanity mirror
Vanity mirror with lighting
The light comes on automatically when the
cover is lifted. ...
SmartKey
Display messages
Possible causes/consequences and Solutions
Key Does
Not Belong to Vehicle
You have put the wrong SmartKey in the ignition lock.
Use the correct Smart ...
Operating the tailgate
Ensure there is minimum space
of 1.0M
(39 in) above the rear of vehicle before
operating the tailgate. Insufficient space
may result in damage to the vehicle.
Do not operate the tailgate
if ...