TTY Users
OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.
See also:
What to Use
Read the manufacturer's instructions before refilling the windshield washer fluid.
If operating the vehicle in an area where the temperature may fall below freezing,
use a fluid that has suffi ...
Confident and agile driving experience
Two new engines are offered on all GMC Terrain models, each with fuel-saving
direct injection and variable valve timing technology. Vehicle highlights
include:
New 3.0L DOHC direct injected V-6 ...
Feature Settings Menu Items
The following customization features allow you to program settings to the vehicle:
DISPLAY IN ENGLISH
This feature will only display if a language other than English has been set. This feature allow ...