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:
Dual automatic temperature control (if equipped)
1. AUTO/Driver temperature: Press to engage full automatic
operation. Select the desired temperature using the temperature control.
The system will automatically determine fan speed, airflow dis ...
Speed sensitive wipers
If vehicle speed drops below 6km/h (3.7mph)
with the wipers operating in positions (2) or
(3), the wipers will switch to the next lowest
speed. When vehicle speed increases to over
6km/h (3.7mph), ...
What Causes Corrosion?
Corrosion is the result of deterioration or removal of
paint and protective coatings from your vehicle.
The most common causes are:
• Road salt, dirt, and moisture accumulation.
• Stone and ...
