Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.
NumPad1: Change Money By 50000
NumPad2: Infinite Fuel
NumPad3: Super Speed
Super Speed: While active you have super speed on foot.
Unlock more trainer options including updates from here - Farming Simulator 2017 Trainer