Those hubs are only truly manual on the lowest trim levels. On a XLT and up it's auto locking hubs it's vacuum operated. It'll auto lock the hubs when you put it in 4x4. You can always manually lock them if they are in operable
The air pressure gauge in the center console is for the air bags in the rear. This truck has a lot of extras like the tuner, air bags, transfer tank in the bed, bumper and winch. This truck was setup for towing since it has 5th wheel rails in the bed and the airbags.
Those hubs are only truly manual on the lowest trim levels. On a XLT and up it's auto locking hubs it's vacuum operated. It'll auto lock the hubs when you put it in 4x4. You can always manually lock them if they are in operable
As far as i know the 2024 limited super dutys still have manual locking hubs. Definitely the 2020s do
The air pressure gauge in the center console is for the air bags in the rear. This truck has a lot of extras like the tuner, air bags, transfer tank in the bed, bumper and winch. This truck was setup for towing since it has 5th wheel rails in the bed and the airbags.