DLLs are version-specific. A file from an untrusted site may be for a different architecture (32-bit vs 64-bit), language, or software version, leading to crashes or Blue Screens of Death (BSOD).
In rare cases, you may need to register the DLL via the Command Prompt using the Microsoft Community Hub vehicle audiohook.dll download
Missing DLL files are rarely a result of the file "disappearing" on its own. Usually, one of the following has occurred: DLLs are version-specific
A Comprehensive Guide to Downloading and Fixing audiohook.dll Errors for Vehicle Audio Systems or software version
Drag and drop VehicleAudioHook.dll directly into the root folder of the game.