[ELS&Non-ELS]Lighting&Siren control system for emergency vehicles - GTM Siren

GTM Siren is a revolutionary emergency vehicle lighting and siren control system built for modern FiveM servers that demand performance, flexibility, and realism which supports ELS & Non-ELS Vehicles.

This is not just a siren script — it’s a complete emergency vehicle platform.

What is GTM Siren?

GTM Siren is a fully featured, performance-optimized lighting and siren system designed to completely replace traditional ELS and Non-ELS setups.

It introduces a single, modern configuration format that works with every emergency vehicle on your server — eliminating compatibility issues, limitations, and outdated workflows.

Whether you’re running a small roleplay community or a high-population server, GTM Siren scales effortlessly.

Unified System – Beyond ELS & Non-ELS

GTM Siren completely redefines how emergency vehicles are configured in FiveM.

One System to Rule Them All

• Replaces both ELS and Non-ELS completely
• No more incompatible formats
• No more system limitations
• One modern configuration structure

Instant Migration

Already using ELS?
Convert your existing VCF-XML files instantly with the free online conversion tool and move to the next generation without rebuilding everything from scratch.

Zero Compromises

Run any vehicle type with advanced lighting, custom sounds, and high-performance synchronization — all within one unified framework.

Realistic UI

The in game UI comes with all features you know and love from real world emergency vehicle controllers, e.g. toggling light/sirens, momentary sirens, changing stages, …

Key Features

• Support for infinite stages (and per-stage hotkeys)
• Advanced Lighting Pattern System (with millisecond precision)
• Optimized for maximum performance
• Tamper-proof networking to prevent manipulation by cheaters
• Smart configuration management to reduce redundancy and simplify fleet management
• Easy-to-use Visual Configuration (optional - no coding/file editing needed)
• Driver and Front Passenger can control siren/lighting (like in real life)
• Reliable high-performance multiplayer synchronization

Lighting System Capabilities

• Virtually infinite lighting stages
• Millisecond-precise pattern timing
• Support for extras, emissives, and scripted lights
• Component-based lighting architecture
• Individual color control per component

Complete lighting freedom for every vehicle.

Siren System Capabilities

• Unique siren sounds per stage
• Custom airhorn support
• Manual / momentary siren controls
• Manual tone selection (1–9 keys by default)
• Custom audio bank support
• Independent tone & lighting control

Designed for realistic and tactical emergency operations.

Preview

Purchase Information

GTM Siren is available now at:

To celebrate the launch of Grand Theft Mods:

Enjoy 30% off all products for the first two weeks.

Protected by FiveM Escrow.

Support
Join our Discord
Email us: support@grandtheftmods.com