I making good lightbar with rotating & flash & strobe lights & custom siren sounds
Lots of different lightbars & added custom sound wail yelp hilo powercall airhorn in 'siren' folder install 'sound' folder if don't have, just create new folder 'sound'.
1 driveable with lightbar & siren sound, this driveable from youtube tutorial step by step & some added things.
Few problem all dynamic lights no options flags 'start on' & 'initially dark' when start can't turn off lights, just create 'trigger_multiple' when respawn player touch start turn off all dynamic lights.
Dynamic light & light & point spotlight used logic_timer loop flash lights.
BSP & VMF & Textures & sounds includes zip folder.
If you use this prefabs, must credit me. You can change any textures.
Video lightbar & siren