GMC Terrain: OnStar

Vehicle Data Recording and Privacy

The vehicle has a number of computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy them in a crash, and, if equipped, to provide antilock braking to help the driver control the vehicle...

OnStar Overview

  Voice Command Button Blue OnStar Button Red Emergency Button This vehicle may be equipped with a comprehensive, in-vehicle system that can connect to an OnStar Advisor for Emergency, Security, Navigation, Connections, and Diagnostics Services...

Other information:

GMC Terrain 2018-2026 Owners Manual: Park Brake and P (Park) Mechanism Check


Warning When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move...

GMC Terrain 2018-2026 Owners Manual: Rear Compartment Fuse Block


The rear compartment fuse block is behind a trim panel on the side of the rear compartment. Remove the trim plate to access the fuse block. The vehicle may not be equipped with all of the fuses and relays shown. Fuses      Usage F1      Exhaust fuel heater F2      Liftgate F3      Trailer au..

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