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:
Shift lock release
Shift lock release
If the battery charge is low or discharged, the
selector lever may not be moved from the P
(Park) position even with the brake pedal
depressed and the selector lever butt ...
Lock switch
Press the switch down to lock
the passenger window switches.
Use this switch to prevent children
from accidentally opening or
closing a passenger window.
■The power windows can be operate ...
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the vehicle's engine power is reduced. Reduced engine
power can affect the vehicle's ability to accelerate. If this message is on, but
t ...
