[Jelly23]

I have been busy, I only got to update it now.

The sound ids are no longer random, and you can select them. You must use /megaphone to show the textdraw while inside a police maverick (or the vehicle id you defined) be it in the driver or passenger seats.

http://imgur.com/a/Vp5CJ

Download:

Pastebin
Solidfiles

I-ZCMD is required: https://sampforum.blast.hk/showthread.php?tid=576114