I tried to use these files, but the functions remain standard, so in fact they are useless.
ELS is necessary for RP, for example: when you have a code 2 call or you transport a suspect to a police station, you turn on the lights and the drivers let you through. But with code 2, they shouldn't do that, although you have the right to break traffic rules. Or when you stop traffic and sit in a vehicle, drivers can also stop, although they shouldn't. ELS fixes this by adding 3 modes of lights.