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 ...

    See also:

    Rear window and outside rear view mirror defoggers
    The rear window defogger is used to defog the rear window. The outside rear view mirror defoggers* are used to remove frost, dew or raindrops from the outside rear view mirrors. Vehicles with manua ...

    Dialing by entering the number
    1 Select “Dial by number” using . 2 Enter the phone number and press the off-hook switch. ...

    Technical Information
    The diagrams in this section give you the dimensions and capacities of your vehicle and the locations of the identification numbers. It also includes information you should know about your v ...