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: Super Acceleration

Numpad 6: Super Brakes

Numpad 4: Super Jump

Numpad 5: Instant Stop

Numpad 7: Unlimited Fuel

Numpad 8: Set Research and Development Points

Numpad 9: Freeze Lap Timer

Notes:

Numpad 1: Freeze AI Drivers - while you are racing AI drivers, toggle this on and the drivers cannot accelerate.

Numpad 2: AI Drivers Spin out - press this and for a short time the drivers lose control of their cars and spin out.

Numpad 3: Super Acceleration - press this to accelerate your car faster than normal.

Numpad 6: Super Brakes - press this to deaccelerate your car faster than normal.

Numpad 4: Super Jump - press this to launch your car into the air.

Numpad 5: Instant Stop - press this to instantly stop your car right where it is at.

Numpad 7: Unlimited Fuel - toggle on and the current fuel is locked while the option is active.

Numpad 8: Set Research and Development Points - enter the laptop, press this to set the points to the value shown in the trainer, then enter the laptop area where you can spend the points and you can see it has changed.

Numpad 9: Freeze Lap Timer - toggle on and the current lap timer will freeze while in Time Trial events and possibly other events.