If your goal is the (often called a "HOT car" in NFS modding communities), you don't need to force a corrupt heat value. Use this alternative method:
to ensure it has the permissions needed to modify and save the data correctly. Checksum Repair --- Nfs Carbon Save Editor Invalid Car Heat Value HOT-
Before solving the error, you must understand what the game is actually trying to validate. If your goal is the (often called a
If you want to avoid using external editors to manage heat, you can use legitimate in-game mechanics: Visual Customization --- Nfs Carbon Save Editor Invalid Car Heat Value HOT-