Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push 
to try the call again or try again after driving a few miles into another cellular area.
See also:
Reclining Seatbacks
Manual Reclining Seatbacks
To recline a manual seatback:
1. Lift the lever.
2. Move the seatback to the desired position, and then release the lever to lock
the seatback in place.
3. Push and ...
Safety
All-disc antilock brakes and daytime running lights are standard, but
side-impact airbags are not available. ...
Interior details and flexibility
The GMC Terrain's rich, premium interior is influenced by industrial
sculpture and exudes refinement exemplified by contrast stitching and fine
materials that create a structured look throughout t ...