Activating this trainer:
If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Promo Options:
NumPad9: Super Speed

Trainer Options:
NumPad1: Infinite Health / Armor
NumPad2: Infinite Vehicle Health / Armor
NumPad3: One Hit Kills
NumPad4: No Reload
NumPad5: Rapid Fire
NumPad6: Infinite Ally Health
NumPad7: Infinite Wing Energy
NumPad8: No Vehicle Drop Cooldown
NumPad9: Super Speed
Multiply: Pick Up All Loot