When you're on the job from sunup to sundown the worst time to find out your truck doesn't have it is when it's in the middle of it. Long lasting and dependable the 2012 Silverado 2500HD is engineered with durable advanced technologies: a strong powertrain for big towing numbers a sturdy frame to handle large payload and deliver a smooth ride and secure trailering features to help keep it all under control. In other words it's very capable indeed in all the areas that matter. From the work you do to the life you live Chevy Runs Deep. Silverado offers Tow/Haul Mode that enhances performance while pulling a trailer or hauling heavy loads. When activated this feature modifies the automatic transmission shift schedule and helps reduce throttle pedal activity by the driver while traveling over rolling terrain. Cruise Grade Braking which uses transmission downshifts to allow engine compression braking to slow the vehicle and its load.