It’s literally one button and a knob to change the 4wd modes. Press the button then twist the knob to the mode you want. If that’s hard you have zero business operating any vehicle let alone driving a 4wd off road.That has been a problem with quite a few Youtube reviews as well. Land Rover Aus didn't seem to have a manual in the press cars and a few people struggled with changing the 4x4 system. And of you need a manual to change the 4x4 modes it's way to difficult.