Fix: "Test Drive Unlimited" invisible police cars

Likely cause

If capping the FPS does not fully resolve the issue, try these secondary fixes: Refresh Rate : Ensure your monitor’s refresh rate is set to in Windows Display Settings while playing. Clear Cache : Delete or rename the radial.cdb file located in %PROGRAMDATA%\Test Drive Unlimited

file is present in your main folder. The main menu should show version instead of the vanilla 1.66a.

Part 1: Why Are the Police Cars Invisible?

Before fixing the problem, you must understand why it happens. There are three primary causes:

Part 5: The Last Resort – Disable Police (If you can't fix them)

If you have tried all the fixes above and the cops are still ghosts, you have two options to save your sanity:

Who should use it

Forcing VSync in your GPU settings can automatically limit the game to your monitor's refresh rate. If you have a high-refresh monitor (e.g., 144Hz), you must still manually set the refresh rate to 60Hz for this to be effective. Disable High DPI Scaling: