GMC Terrain: Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.
TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, or speech&-impaired
customers while in the vehicle. The available dealer&-installed TTY system can provide
in-vehicl ...
OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock
and Stolen Vehicle Assistance. You will be prompted to change the PIN the first
time when speaking with an Advisor. T ...
See also:
Modification Warning
WARNING: Do not modify this vehicle.
Modification could adversely affect safety, handling, performance or durability
and may violate governmental regulations. In addition, damage or performance p ...
Service data recording
Service data recorders in your vehicle are
capable of collecting and storing diagnostic
information about your vehicle. This potentially
includes information about the performance or
status of var ...
Cleaning The Parksense System
Clean the ParkSense sensors with water, car wash soap
and a soft cloth. Do not use rough or hard cloths. Do not
scratch or poke the sensors. Otherwise, you could damage
the sensors. ...