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:

    Level 1 tmc event icons
    Note: Single arrow icons indicate that the traffic event affects traffic travelling in the direction of the arrow. Double arrows indicate that both directions are affected. ...

    About HD Radio
    NOTE - HD Radio Technology is a hybrid broadcasting system that employs digital and analog signals. - When the vehicle moves outside the digital broadcasting area (that is narrower than the ...

    Auto-dimming mirror/compass (if equipped)
    Auto-dimming mirror/compass (if equipped) 1) Auto dimming indicator 2) Left (mirror) button 3) Photosensor 4) Right (compass) button 5) Compass display The auto-dimming mirror has an ant ...