Place the file in your Documents/Euro Truck Simulator 2/mod (or ATS equivalent) folder.
For those dealing with physical hardware issues rather than game mods, here is a quick guide on repairing a radar detector power cord: How to Fix Radar Detector Wire / Cable/ Cord Eddie's Customs & Restorations YouTube• Oct 30, 2021 If you'd like, I can: Radar Detector FIX v2.0.5 1.46
Restores the "beep" and voice alert functionality that often breaks during major game updates. Place the file in your Documents/Euro Truck Simulator