Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    StabiliTrak® System
    The StabiliTrak system assists with directional control of the vehicle in difficult driving conditions. The system is on when the vehicle is started. ○ To turn off both Traction Control and S ...

    Immobilizer
    See Radio Frequency Statement on page 13‑22 for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. ...

    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 ...