The voice comes from the navigation TOM TOM
Polish Voice in Navigation Darth Vader
Mod tested on version 1,47.2,6s
1. Click the download button
2. Download the rar file and unpack it
3. Place the scs file in the mods folder
4. Place it anywhere in the mod manager
5. Sound settings find voice and activate
6. Required game version 1.37 XXX
Credits:
R.K.M