In Brief

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Overview
The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck capability combined with greater off-road versatility. It is highlighted by a bold exterior design, enhanced all-terrain ...

StabiliTrak® System
The StabiliTrak system assists with directional control of the vehicle in difficult driving conditions. The system is on when the vehicle is started. ○ To turn off both Traction Control and S ...

Video Screen
The video screen is located in the overhead console. To use the video screen: 1. Push the release button located on the overhead console. 2. Move the screen to the desired position. When the video ...