Navigation
Navigation requires an active OnStar or connected service plan.
Press
to receive turn-by-turn directions or send them to the vehicle navigation screen, if equipped.
Turn-by-Turn Navigation
Press
connect to an Advisor.
Request directions to be downloaded to the vehicle.
Follow the voice prompts.
Using Voice Commands During a Planned Route
The voice command button function, if equipped, may vary depending on vehicle and region. On some vehicles, press =, to open the OnStar application on the infotainment display. On other vehicles, press
the following.
Cancel Route
- Press
. The system responds, "OnStar ready," followed by a tone. - Say "Cancel route." The system responds, "Do you want to cancel directions?"
- Say "Yes." The system responds, "OK, request completed, thank you, goodbye."
Route Preview
Press
. The system responds, "OnStar ready," followed by a tone.
Say "Route preview." The system responds with the next three maneuvers.
Repeat
- Press
. The system responds, "OnStar ready," followed by a tone.
Say "Repeat." The system repeats the last direction given, then responds "OnStar ready," followed by a tone.
Get My Destination
- Press
. The system responds, "OnStar ready," followed by a tone. - Say "Get my destination." The system responds with the address and the distance to the destination, then responds "OnStar ready," followed by a tone.
Send Destination to Vehicle
Directions can be sent to the vehicle navigation screen, if equipped.
Press
, then ask the Advisor to download directions to the vehicle navigation system, if equipped. After the call ends, the navigation screen will provide prompts to begin the directions. Routes sent to the navigation screen can only be canceled through the navigation system.
See www.onstar.com (U.S.) or www.onstar.ca (Canada).
Test yourself
A quick GMC Terrain quiz: every answer comes with an explanation and a link to the manual page.