GMC Terrain: OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services.
The OnStar system status light is next to the OnStar buttons. If the status light is:
○ Solid Green: System is ready.
○ Flashing Green: On a call.
○ Red: Indicates a problem.
Push 
or call 1&-888&-4&-ONSTAR (1&-888&-466&-7827)
to speak to an Advisor.
Push 
to:
○ Make a call, end a call, or answer an incoming call.
○ Give OnStar Hands-Free Calling voice commands.
○ Give OnStar Turn-by-Turn Navigation voice commands. Requires the available Directions
and Connections service plan.
Push 
to connect to a live Advisor
to:
○ Verify account information or update contact information. . Get driving directions. Requires the available Directions and Connections service plan. . Receive On-Demand Diagnostics for a check on the vehicle’s key operating systems. . Receive Roadside Assistance.
Push
to get a priority connection
to an Emergency Advisor available 24/7 to:
○ Get help for an emergency.
○ Be a Good Samaritan or respond to an AMBER Alert.
○ Get crisis assistance and evacuation routes.
OnStar
...
OnStar Services
...
See also:
Cleaning the sensors
When washing the vehicle do
not aim
high pressure water jets directly at the
sensors. Do not use abrasive materials
or hard/sharp objects to clean the
sensors. Only use approved vehicle
shampo ...
Wading
The maximum advisable wading depth is
500mm (19.7in). If the vehicle remains
stationary in water above the door sill level,
severe electrical damage may occur.
Do not switch off the engine when
...
Navigating a disc and playing tracks
CD audio discs
Turn TUNE to access the disc's playlist and to
navigate in this list. Press OK/MENU to confirm
a choice and begin listening. Press EXIT
to cancel. Press and hold EXIT to return t ...
