GMC Terrain: Services for People with Disabilities
Advisors provide services to help subscribers with physical disabilities and medical conditions.
Push 
for help with:
○ Locating a gas station with an attendant to pump gas.
○ Finding a hotel, restaurant, etc., that meets accessibility needs.
○ Providing directions to the closest hospital or pharmacy in urgent situations.
- TTY Users
- Onstar.com
- OnStar Personal Identification Number (PIN)
- Warranty
- Languages
- Potential Issues
- Global Positioning System (GPS)
- Cellular and GPS Antennas
- Unable to Connect to OnStar Message
- Add-on Electrical Equipment
- Privacy
How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance,
Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation,
and Hands-Free Callin ...
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 ...
See also:
Refueling in cold weather
To help prevent moisture from forming in
the fuel system and the risk of its freezing,
use of an antifreeze additive in the fuel
tank is recommended during cold weather.
Use only additives that ...
Trailer towing
Trailer towing with your vehicle may require the use of a trailer tow
option package.
Trailer towing puts additional loads on your vehicle’s engine,
transmission, axle, brakes, tires and suspen ...
Front seats
Front seats
1 Lumbar support: turn the control for firmer
or softer lumbar support.
2 Front-rear adjustment: lift the bar and
move the seat to the position of your
choice.
3 Raise/lower fro ...
