Executable files from YouTube descriptions or unsigned .zip files from generic "cheats.com" websites.

Before using any mod, back up your save files located in your Documents folder.

The "Unlock All Cars Trainer 1.2" for Need for Speed Carbon is a third-party utility designed to bypass the game’s standard progression system. While primarily used to instantly grant access to every vehicle in the game, these trainers typically include a suite of secondary enhancements. Core Functions and Options

First, I should check if there's existing information or user experiences with this specific trainer. Since I don't have access to external sources, I'll have to base this on general knowledge of trainers and common user feedback. Trainers often provide cheats within games, allowing features like unlimited money, instant upgrades, or unlocking all content, which can be used in single-player games only.