The 2026 GMC Sierra 3500 HD offers many helpful tech features for drivers in Escondido, CA. The truck includes a large 13.4-inch touchscreen infotainment system with Google built-in apps. This means you get navigation and voice assistance right from the screen. You can also stream music through Bluetooth and use wireless phone projection to access your favorite apps while driving.
​For those who tow trailers, the Sierra 3500 HD has great tools. The In-Vehicle Trailering App helps you track trailer maintenance and mileage. Hitch Guidance with Hitch View shows you exactly where your hitch lines up. HD Surround Vision gives you a view above your truck, which helps when parking or backing up. The Trailer Side Blind Zone Alert warns you about vehicles in your blind spots.
Higher trims add a Multicolor 15-inch Head-Up Display and a Rear Camera Mirror for better visibility. Stop by North County GMC to view our 2026 GMC 3500 HD inventory today.
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