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. ...

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    To Play a PC Card
    You operate the PC card player with the same controls used for the radio and the disc player. To load or play a card, the ignition switch must be in the ACCESSORY (I) or ON (II) position. T ...

    Cleaning the plastic trim
    WARNING When cleaning the steering wheel boss and dashboard, do not use cockpit sprays or cleaning agents containing solvents. Cleaning agents containing solvents cause the surface to become ...

    To decrease the speed (by brake pedal)
    1. Depress the brake pedal to release cruise control temporarily. 2. When the speed decreases to the desired speed, press the “SET/COAST” button once. Now the desired speed is set and the ...