Find any car displaying the invalid value (e.g., a long negative string).
Have a specific error code different from "HOT-"? Leave a comment on the NFS Modding Discord or check the Hex repository at NFSCars.net.
exactly. If they differ, copy the Save File key into the Registry textbox and click Save Changes Bypass Checks : If the error persists, consider using the NFS Carbon Widescreen Fix Extra Options , both of which include an option to disable the save file integrity check , allowing the game to load despite "invalid" values. Important Safety Tips Backup Your Save : Always copy your save folder (found in Documents\NFS Carbon ) to your desktop before using any editor. Mod Conflicts
However, this editor is finicky. The game’s save file contains specific byte sequences for "Heat" levels—a mechanic borrowed from NFS Most Wanted that determines police aggression.
Users typically encounter the "Invalid Car Heat Value HOT-" when they try to apply a modded car (like replacing a Chevrolet Camaro with a police Corvette Z06) or after using a cheat device (like a GameShark or older hex editor) that incorrectly zeroed out the heat table.
Manually change the heat value to a valid number between (the hardcoded cap for cars in Carbon ).
Sometimes, game crashes or incompatible mods can cause the heat value to turn into a nonsensical, extremely long number (e.g., -3697314030...).
Hey everyone,
: Always use the Save File button and then Quit the editor rather than just closing the window to ensure the binary data is rewritten correctly. Prevention Tips