We should establish what each of the buttons on the EV3 remote will do. Earlier, we said that the driving and steering functions are independent of one another. We will program the controls accordingly: the left (red) side of the controller will control the driving, where up is forward and down is reverse; the right (blue) side will control the steering, where the up button will steer the Falcon's wheels to the right and the down button will steer them left: