When driving a heavy-duty truck, having good safety tech matters. The 2026 GMC Sierra 3500 HD comes with the Sierra HD Pro Safety package on every trim level. This system has Forward Collision Alert and Automatic Emergency Braking to help prevent crashes. Front Pedestrian Braking watches for people walking near the front of your truck. Lane Departure Warning tells you when you start drifting from your lane. IntelliBeam headlights switch between high and low beams automatically. Drivers in Danville will love these standard features.