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.
Vehicle Data
See also:
Universal garage door opener (if equipped)
Car2U Home Automation System (if equipped)
The Car2U Home Automation
System is a universal transmitter
located in the driver’s visor that
includes two primary features – a
garage door opener and a platform
for remote activation of devices
...
Exterior
1) Engine hood
2) Headlight switch
3) Replacing bulbs
4) Wiper switch
5) Moonroof
6) Roof rail
7) Door locks
8) Tire pressure
9) Flat tires
10) Tire chains
11) Front fog light switch
12) Tie-down hooks
13) Towing hook
...
