GMC Terrain: Keys, Doors, and Windows - GMC Terrain Owner's ManualGMC Terrain: Keys, Doors, and Windows

OnStarВ®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview on ...

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Fuel octane rating
This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Using a gasoline with a lower octane rating can ca ...

Brake system
Power brakes Your vehicle has power-assisted brakes that adjust automatically through normal usage. In the event that the power-assisted brakes lose power because of a stalled engine or some other ...

Hdc operation
With HDC engaged, standard descent speed will not exceed 20km/h (12.4mph). While the green warning lamp is continuously illuminated, HDC target speed can be modified using the cruise control steer ...