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:
Other fluids and lubricants
A Under normal driving conditions the transmission oil does not need changing
during its service life. However, it may be necessary under adverse driving
conditions.
B Models without headlight ...
To Arm The System
1. Remove the key from the ignition switch and exit the
vehicle.
2. Lock the doors and liftgate by pressing the power door
LOCK switch or the LOCK button on the Remote Keyless
Entry (RKE) trans ...
Lumbar Adjustment
Eight-Way Power Seat Shown, Four-Way Similar
A. Lumbar Switch
If available, press and hold the front or rear of the switch (A) to increase
or decrease lumbar support. Release the switch when the ...
