GMC Terrain: OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is cell phone service. It can also check the fuel level, tire pressure, and oil life. It can connect to an OnStar Advisor anytime. For OnStar mobile app compatibility or further information, see www.onstar.com.
Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” Verify Minutes and Expiration Push and say “minutes” t ...Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...See also:
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person
on the other end of the call cannot hear them.
To mute a call, press , and then
say “Mute Call.”
To cancel m ...
Lift gate release
Lift gate release
If the lift gate cannot be opened due to a
discharged battery, follow these steps.
1. Remove the cover inside of the lift gate with
a suitable tool.
2. Move the lever toward ...
General information
The infotainment system displays information
in four different views. The highest (most general)
level is called the main view and is common
to all system modes (RADIO, MEDIA,
TEL). Each mode ...