GMC Terrain: Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options available.
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, ...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 ...See also:
Understanding your tire pressure monitoring system (TPMS)
The tire pressure monitoring system measures pressure in your four road
tires and sends the tire pressure readings to your vehicle. The low tire
pressure warning light will turn on if the tire press ...
Postcode
Not all countries have this facility. Enter the
postcode of your waypoint or destination from
the keypad. The postcode must be entered
precisely, including any spaces or punctuation.
When the post ...
Recommended Engine Oil
Oil is a major contributor to your
engine’s performance and longevity.
Always use a premium-grade 0W-20
detergent oil displaying the API
Certification Seal. This seal indicates
the oil is e ...