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:
Electronic Speed Control — If Equipped
When engaged, the Electronic Speed Control takes over
accelerator operations at speeds greater than 25 mph
(40 km/h).
The Electronic Speed Control buttons are located on the
right side of the s ...
Headlamp levelling (halogen only)
Headlamp levelling (halogen only)
Use the headlamp levelling control to account
for vehicle loading changes.
...
Deleting the callback data
1. Select the “CALLBACK” menu.
2. Select the phone number by operating
the “TUNE/TRACK/CH” dial.
3. Select the “DELETE” menu.
4. Select the “CONFIRM” menu. Then
“DELETED” is ...
