GMC Terrain: Diagnostics - OnStar Services - OnStar - GMC Terrain Owner's ManualGMC Terrain: 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 vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push OnStar Additional Information, and an Advisor can run a check.

    OnStar Mobile App
    With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is cell ...

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    Mode Control
    Use the mode control buttons to select the vents air flows from. Some air will flow from the dashboard corner vents in all modes. Air flows from the center and corner vents in the dashboa ...

    Jacking And Tire Changing
    WARNING! • Do not attempt to change a tire on the side of the vehicle close to moving traffic. Pull far enough off the road to avoid the danger of being hit when operating the jack or changi ...

    Geartronic–manual shifting
    Geartronic allows you to manually shift among your vehicle's six forward speeds. Geartronic can be selected at any time. • To access the manual shifting position from Drive (D), move the gear ...