Understanding a midsize pickup's operating functions helps the driver use the right controls for the work at hand. Propulsion, transmission, driven axles, suspension, brakes, and electronic aids interact, but they do not all solve the same problem. A towing setting cannot increase a load rating, and a four-wheel-drive setting cannot compensate for unsuitable tires or incorrect loading.
The useful starting point is the exact equipment fitted to the truck. Learn what each control changes, when it is permitted, and what remains unchanged. That knowledge makes the transition between commuting, hauling, towing, and suitable unpaved travel more deliberate and helps prevent features from being used outside their intended conditions.