GMC Terrain: Connected Services / Navigation
Navigation requires a specific OnStar or connected service plan.
Press 
to receive Turn-by-Turn
directions or have them sent to the
vehicle’s navigation screen,
if equipped.
Turn-by-Turn Navigation
Press 
to connect to an
Advisor.
Request directions to be downloaded to the vehicle.
Follow the voice-guided commands.
Using Voice Commands During a Planned Route
Functionality of the Voice Command
button, if equipped, may vary by
vehicle and region. For some
vehicles, press = to open the
OnStar app on the infotainment
display. For other vehicles press 
as follows.
Cancel Route
- Press
. System responds:
“OnStar ready,” then a tone. - Say “Cancel route.” System responds: “Do you want to cancel directions?”
- Say “Yes.” System responds: “OK, request completed, thank you, goodbye.”
Route Preview
Press 
. System responds:
“OnStar ready,” then a tone.
Say “Route preview.” System responds with the next three maneuvers.
Repeat
- Press
. System responds:
“OnStar ready,” then a tone.
Say “Repeat.” System responds with the last direction given, then responds with “OnStar ready,” then a tone.
Get My Destination
- Press
. System responds:
“OnStar ready,” then a tone. - Say “Get my destination.” System responds with the address and distance to the destination, then responds with “OnStar ready,” then a tone.
Send Destination to Vehicle
Directions can be sent to the vehicle’s navigation screen, if equipped.
Press 
, then ask the Advisor to
download directions to the vehicle’s
navigation system, if equipped. After
the call ends, the navigation screen
will provide prompts to begin driving
directions. Routes that are sent to
the navigation screen can only be
canceled through the navigation
system.
See www.onstar.com (U.S.) or www.onstar.ca (Canada).
Connections
The following services help with
staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Ensuring Security
Change the default passwords
for the Wi-Fi hotspot and
myGMC mobile application...
Other information:
GMC Terrain 2018-2025 Owners Manual: Engine Coolant Temperature Gauge
Metric Uplevel English Uplevel This gauge shows the engine coolant temperature. If the pointer moves toward the warning area at the high end of the gauge, the engine is too hot. If the engine coolant has overheated and the vehicle has been operating under normal driving conditions, pull off the road, stop the vehicle, and turn off the engine as soon as possible...
GMC Terrain 2018-2025 Owners Manual: Setting the 3/4 Mode
To change the position the liftgate stops at when opening: Select MAX or 3/4 mode and power open the liftgate. Stop the liftgate movement at the desired height by pressing any liftgate switch. Manually adjust the liftgate position if needed...
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Categories
Engine Overheating
The vehicle has an engine coolant temperature gauge on the instrument cluster and overheat messages in the Driver Information Center (DIC) to warn of engine overheating. See Engine Coolant Temperature Gauge.