GMC Terrain: OnStar / OnStar Overview

Voice Command Button
Blue OnStar Button
Red Emergency Button
This vehicle may be equipped with a
comprehensive, in-vehicle system
that can connect to an OnStar
Advisor for Emergency, Security,
Navigation, Connections, and
Diagnostics Services. OnStar
services may require a paid service
plan and data plan. OnStar requires
the vehicle battery and electrical
system, cellular service, and GPS
satellite signals to be available and
operating. OnStar acts as a link to
existing emergency service
providers. OnStar may collect
information about you and your
vehicle, including location
information. See OnStar User
Terms, Privacy Statement, and
Software Terms for more details
including system limitations at
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
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.
Off: System is off. Press
twice to speak with an OnStar
Advisor.
Press
or call 1-888-4ONSTAR
(1-888-466-7827) to speak to an
Advisor.
Functionality of the Voice Command
button may vary by vehicle and
region.
Press
to:
- Open the OnStar app on the
infotainment display. See the
infotainment manual for
information on how to use the
OnStar app.
Or
- 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.
- Obtain and customize the Wi-Fi
hotspot name or SSID and
password, if equipped.
Press
to connect to an
Advisor to:
- Verify account information or
update contact information.
- Get driving directions.
- Receive a Diagnostic check of
the vehicle's key operating
systems.
- Receive Roadside Assistance.
- Manage Wi-Fi Settings,
if equipped.
Press
to get a priority
connection
to an OnStar Advisor available
24/7 to:
- Get help for an emergency.
- Be a Good Samaritan or
respond to an AMBER Alert.
- Get assistance in severe
weather or other crisis situations
and find evacuation routes.
Other information:
Adjustment
Adjust the rearview mirror to clearly
view the area behind the vehicle.
Manual Rearview Mirror
For vehicles with a manual rearview
mirror, push the tab forward for
daytime use and pull it rearward for
nighttime use to avoid the glare of
the headlamps from behind. See
Manual Rearview Mirror.
Automatic Dimming Rearview Mirror
Vehicles with an automatic dimming
inside rearview mirro..
Tires need the correct amount of
air pressure to operate
effectively.
Warning
Neither tire underinflation nor
overinflation is good.
Underinflated tires, or tires
that do not have enough air,
can result in:
Tire overloading and
overheating which could
lead to a blowout.
Premature or
irregular wear.
Poor handling.
Reduced fuel economy.
Overinflated tires, or tires that
have too mu..