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:
Maximum defrost
Press to remove frost or heavy misting from
the front screen. The system will adjust the
front blower output for maximum clearing. In
addition the rear screen and optional front
screen heaters wil ...
Displaying radio PS (Program Service Name) and RT (Radio Text)
...
Sulphur content
If your vehicle is fitted
with a Diesel
Particulate Filter (DPF) the maximum
Sulphur content must not exceed
0.005%. Using an incorrect fuel will
cause serious damage to the DPF.
The Sulphur c ...