GMC Terrain: OnStar Additional Information
- Transferring Service
- Reactivation for Subsequent Owners
- How OnStar Service Works
- Services for People with Disabilities
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Transferring Service
Push to request account transfer
eligibility information. The Advisor can assist in canceling or removing account
information. If OnStar receives information that vehicle ownership has changed,
...
See also:
Four-Way Power Driver Seat
A. Seat Position Handle
B. Height Adjustment Control
To adjust the seat:
○ Move the seat forward or rearward using the handle under the front of the seat
cushion (A). See Seat Adjustment ...
Suggestions for economical operation
Your vehicle's fuel economy depends mainly on your style of driving, where you
drive and when you drive. Each of these factors affects how many kilometers (miles)
you can get from liter (a gal ...
Cargo compartment enlargement
Important safety notes
WARNING
Always lock the seat backrest in its upright position when the rear seat bench
is occupied, or the extended cargo volume is not in use.
Check for secure lockin ...