GMC Terrain: Potential Issues - Services for People with Disabilities - OnStar Additional Information - OnStar - GMC Terrain Owner's ManualGMC Terrain: Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    Languages
    The vehicle can be programmed to respond in French or Spanish. Push Q and ask an Advisor. Advisors can speak French or Spanish. ...

    Global Positioning System (GPS)
    ○ Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense trees. ...

    See also:

    Fuel Gauge
    This shows how much fuel you have. It may show slightly more or less than the actual amount. Avoid driving with an extremely low f uel level. Running out of f uel could cause the engine to ...

    Securilock passive anti-theft system
    SecuriLock passive anti-theft system is an engine immobilization system. This system is designed to help prevent the engine from being started unless a coded integrated keyhead transmitter (IKT) pr ...

    Replacing Tires andWheels
    Replace your tires with radial tires of the same size, load range, speed rating, and maximum cold tire pressure rating (as shown on the tire’s sidewall). Mixing radial and bias-ply tires on ...