Before using any memory editor, copy your save folder (usually found in Documents/NFS Carbon ) to a safe spot. Trainers can occasionally corrupt a save file if toggled during a loading screen.

Head to any car dealership in the game. All vehicles, regardless of your career progress or territory control, should now be available for purchase at $0 or their standard price. Why Use a Trainer Instead of Cheat Codes?

Load your profile and enter the Main Menu or a Safehouse.

Ensure your game is patched to v1.4 . You can usually see the version number in the bottom corner of the main menu.