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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    Tire chains
    Tire chains cannot be used on your vehicle because of the lack of clearance between the tires and vehicle body. NOTE When tire chains cannot be used, use of another type of traction dev ...

    Warning and Indicator lights
    SRS (Airbag) Service Reminder Indicator (SRI) The SRS service reminder indicator (SRI) comes on for about 6 seconds after the ignition key is turned to the "ON" position or after th ...

    Opening the hood
    1. Inside the vehicle, pull the hood release handle located under the bottom of the instrument panel. 2. At the front of the vehicle, lift up on the auxiliary latch handle located in the center b ...