!!! NOTE !!!
If your emergency light doesn't work or they're in the wrong place,this is because they conflict with other mod you install. Use this SirenSetting Limit Adjuster If the game crashes during the loading screen. Use custom gameconfig, you can find them on this website.
Installation:
1. copy the 'safetyub' folder to the file path "mods/update/x64/dlcpacks/"
2. open OpenIV, navigate to 'dlclist.xml' in "mods/update/update.rpf/common/data/". Add "< Item>dlcpacks:/safetyub/< /Item>"