Overview
Lighting and siren control for emergency vehicles — precise, configurable, and built for presence.
GTM Siren unifies emergency lighting and siren control for your fleet. Stages, patterns, tones, airhorn, and a focused controller UI — tuned once, ready for every shift.
Highlights
- Unlimited stages and millisecond-precise patterns
- Siren tones, airhorn, and momentary manual control
- Controller UI for driver and front passenger
- Group and vehicle profiles that merge cleanly (
default→ group → vehicle) - Visual Editor and ELS converter tools on grandtheftmods.com
Included examples
Sample vehicle profiles ship ready to explore: police, ambulance, fire truck, and lifeguard.