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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    Introduction
    Collision Warning with Full Auto-brake and Pedestrian Detection is designed to assist the driver if there is a risk of a collision with a pedestrian, a vehicle ahead that is at a standstill or ...

    Rolling with the engine switched off
    WARNING There is no power assistance for the steering and the brake when the engine is not running. Steering and braking requires significantly more effort and you could lose control of the ...

    Underbody maintenance
    Regularly flush the underbody with plain water, and pay particular attention to areas where mud and debris collect. If damage or corrosion are detected, have the vehicle checked by your Dealer/Aut ...