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:
Anti-lock Braking System (ABS)
- The Anti-lock Braking System (ABS)
is a sophisticated device, but it
cannot prevent accidents resulting
from careless or dangerous driving
techniques. It can help maintain
vehicle cont ...
Airbag service information
Do not attempt to service,
repair,
replace, modify, or tamper with, any
part of the SRS. This includes wiring
or components in the vicinity of SRS
components. Doing so may cause the
system to ...
Using the Transmission
5-Speed Automatic
Transmission
D: 5-speed automatic transmission mode. 4: 4-speed automatic transmission
mode.
The 4-speed mode is suitable for the following driving conditions:
• Driving o ...