1. Introduction
This manual provides essential information for the proper use, operation, and maintenance of your Avital 5305L 2-Way Security System. This advanced system offers comprehensive vehicle protection, keyless entry, and remote start capabilities, enhancing both security and convenience. Please read this manual thoroughly before attempting to use or install the system.
The Avital 5305L system is designed for professional installation. Attempting self-installation without proper knowledge and tools may result in damage to the vehicle or the system, and may void the warranty.
2. Product Contents
The Avital 5305L 2-Way Security System package typically includes the following components. Please verify all items are present upon unboxing.
- Avital 5305L Main Control Unit
- 2-Way LCD 4-Button Remote Control
- 1-Way 4-Button Companion Remote Control
- Revenger Siren
- Dual-Zone Impact Sensor
- Wiring Harnesses and Connectors
- Antenna/Receiver Module
- User Manual and Installation Guide (this document)
- Gravity Magnet Phone Holder (as part of the bundle)

Image 1: Overview of the Avital 5305L 2-Way Security System components and the bundled Gravity Magnet Phone Holder.
3. Key Features
The Avital 5305L system is equipped with a range of features designed for enhanced vehicle security and user convenience:
- 2-Way LCD 4-button remote: Backlit display with tone and vibe modes, providing Zone ID for precise event notification.
- Command Confirmations and Event Notifications: Receive real-time feedback on the LCD remote control regarding system status and triggered events.
- Advanced Security Features: Includes a Dual-Zone impact sensor for detecting various levels of impact, fault-proof starter interrupt to prevent vehicle starting, Nuisance Prevention to reduce false alarms, Warn Away for pre-warning intruders, and a powerful Revenger siren.
- 1-Way Functions: A 4-button companion remote is included for standard 1-way operation.
- Directed SmartStart Compatible: Allows for integration with Directed SmartStart modules (sold separately) for smartphone control capabilities.
4. Setup and Installation
Installation of the Avital 5305L security system requires specialized knowledge of vehicle electrical systems and automotive wiring. It is strongly recommended that this system be installed by an authorized Avital dealer or a certified professional installer.
4.1 Professional Installation Recommended
Due to the complexity of integrating the security system with your vehicle's electrical and ignition systems, professional installation ensures proper functionality, prevents damage to your vehicle, and maintains the system's warranty. An authorized installer will have the necessary tools, technical diagrams, and expertise to correctly wire and configure the system for your specific vehicle model.
4.2 Initial Setup (After Installation)
Once professionally installed, your installer will typically perform the initial programming and testing. This includes:
- Pairing the remote controls with the main unit.
- Configuring system settings such as siren chirps, door lock timing, and remote start parameters.
- Testing all functions: arming, disarming, remote start, keyless entry, and sensor triggers.
Refer to the separate professional installation guide for detailed wiring diagrams and programming steps, which is intended for certified technicians only.
5. Operating Instructions
Familiarize yourself with the functions of your 2-Way LCD remote and 1-Way companion remote.
5.1 Remote Control Functions
- Arming the System: Press the LOCK button once. The siren will chirp once, and the parking lights will flash once. The LCD remote will confirm arming.
- Disarming the System: Press the UNLOCK button once. The siren will chirp twice, and the parking lights will flash twice. The LCD remote will confirm disarming.
- Remote Start: Press and hold the START button for approximately 3 seconds. The vehicle will start, and the parking lights will turn on. The LCD remote will confirm the engine status.
- Trunk Release/Auxiliary Output: Press and hold the TRUNK button (or designated auxiliary button) for approximately 3 seconds. This function may vary based on installation.
- Panic Mode: Press and hold the LOCK and UNLOCK buttons simultaneously for 3 seconds. The siren will sound, and lights will flash. Press any button to turn off.
5.2 2-Way LCD Remote Feedback
The 2-Way LCD remote provides visual and audible/vibrating feedback for various events:
- Arm/Disarm Confirmation: Icons on the LCD will change, and the remote will chirp/vibrate.
- Remote Start Status: Indicates if the engine is running or has shut down.
- Zone ID: If the alarm is triggered, the LCD will display which zone was violated (e.g., door, hood, trunk, impact sensor).
- Battery Level: An icon indicates the remote's battery status.
6. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your Avital 5305L system.
6.1 Remote Control Battery Replacement
The 2-Way LCD remote control requires periodic battery replacement. When the battery indicator on the LCD remote shows low power, replace the battery promptly to ensure reliable operation and communication with the vehicle. Refer to the remote's specific instructions for battery type and replacement procedure.
6.2 System Cleaning
Keep the remote controls and the main control unit (if accessible) clean and free from dust and moisture. Use a soft, dry cloth for cleaning. Avoid using harsh chemicals or abrasive cleaners.
6.3 Professional Check-ups
Consider having your system inspected by an authorized Avital dealer periodically, especially if you notice any unusual behavior or reduced performance.
7. Troubleshooting
If you experience issues with your Avital 5305L system, try the following basic troubleshooting steps. For complex issues, contact your authorized Avital dealer.
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote control not responding. | Low or dead remote battery. Out of range. | Replace remote battery. Move closer to the vehicle. |
| Vehicle does not remote start. | Hood/trunk open. Vehicle not in Park (automatic) or neutral (manual with proper setup). Low fuel. System error. | Ensure hood/trunk are closed. Check gear selection. Check fuel level. Consult installer if persistent. |
| Alarm triggers unexpectedly (false alarms). | Impact sensor sensitivity too high. Loose wiring. | Contact installer to adjust sensor sensitivity. Have wiring checked by a professional. |
| LCD remote not displaying information. | Low or dead remote battery. | Replace remote battery. |
8. Specifications
Key technical specifications for the Avital 5305L 2-Way Security System:
| Feature | Detail |
|---|---|
| Model Number | 5305L |
| System Type | 2-Way Security System with Remote Start and Keyless Entry |
| Remote Controls | One 2-Way LCD 4-button remote, One 1-Way 4-button companion remote |
| Sensors | Dual-Zone Impact Sensor |
| Siren | Revenger Siren |
| Compatibility | Directed SmartStart Compatible (module sold separately) |
| Manufacturer | Avital |
| ASIN | B08BJFM6XR |
| Date First Available | June 19, 2020 |
9. Warranty and Support
Avital products are backed by a manufacturer's warranty. The specific terms and duration of your warranty may vary. Please retain your proof of purchase and installation records for warranty claims.
9.1 Warranty Information
For detailed warranty information, please refer to the warranty card included with your product or visit the official Avital website. Warranty coverage typically applies to defects in materials and workmanship under normal use.
9.2 Technical Support
For technical assistance, troubleshooting beyond this manual, or service inquiries, it is recommended to contact the authorized Avital dealer or professional installer who installed your system. They are best equipped to provide support specific to your installation.
You may also visit the official Avital website for FAQs, product registration, and general support contact information:





