Here’s a concise, structured paper-style analysis for fixing the bug in Test Drive Unlimited (TDU). This issue occurs when police vehicles appear without visible 3D models (only lights or siren), breaking chase events.
TDU.exe → Apply.[Graphics] ModelQuality=2 ; Set to 2 (High) – avoid 0 or 1 PoliceModels=1 ; Add this line if missing test drive unlimited invisible police cars fix
If the above fails, you must manually overwrite the police car model. Go to Control Panel → System → Advanced
Some players report that a limit also works, but 60 FPS is widely considered the most stable for traffic behavior. Enable VSync : [Graphics] ModelQuality=2 ; Set to 2 (High) –
Use external tools like , AMD Radeon Settings , or RivaTuner Statistics Server to cap the TestDriveUnlimited.exe at 60 FPS.