Not much has changed as far as the type of four-wheel-drive system the Silverado uses; it still has the same transfer case and traction strategy with separate two-wheel, four-wheel, Auto, 4WD High and 4WD Low range settings on a new, … It would be nice to have a system like those found on other GM vehicles (Cadillac ATS and Corvette to name two) that allows you to disable most of the system with one press of a button and the rest of it by pressing and holding. …

The rest is here:
First Drive: 2014 Chevrolet Silverado 1500 – PickupTrucks.com News