Activating this trainer:

Press F1 at main menu.

Listen for 'Trainer Activated'.

Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options:

Numpad 1: Freeze AI Drivers

Numpad 2: AI Drivers Spin Out

Numpad 3: AI Drivers Vault into Air

Numpad 4: 999,999,999 Money

Notes:

Numpad 1: Freeze AI Drivers - press this during race with AI and they will freeze in position.

Numpad 2: AI Drivers Spin Out - press this during race with AI and they will spin out of control.

Numpad 3: AI Drivers Vault into Air - press this during race with AI and they will vault straight up into the air.

Numpad 4: 999,999,999 Money - press this and then enter Career and you will have plenty of money.