: You can manually edit certain values by opening the autosave_s file in a text editor like Notepad++ . You can search for "EffectiveLevel" or "Level" to change your driver level manually.
Using a standalone Save Editor can sometimes corrupt your file if the game patches or the tool is outdated. A "Cheat Engine Table" is often a better "piece" of software for this game because it edits the memory while the game is running, which saves you the hassle of hex-editing files. nfs shift 2 save editor pc