Introduction
The Avital 5308L Remote Start and Security System is designed to provide enhanced security and convenience for your vehicle. This system integrates advanced security features with remote start capabilities, offering protection against theft and environmental factors.
Important Note: This product is intended for installation by a professional installer only. Attempts to install this product by a person other than a trained professional may result in severe damage to a vehicle’s electrical system and components, and may void the product warranty.
Key Features
- 2-Way Command-Confirming Remote: Provides visual and audible confirmation of commands sent to the vehicle.
- 1-Way 4-Button Remote: A secondary remote for basic control functions.
- Remote Keyless Entry: Lock and unlock your vehicle's doors remotely.
- Remote Engine Start: Start your vehicle's engine from a distance.
- Security System: Includes siren, impact sensor, and starter interrupt for comprehensive vehicle protection.
- Panic (Car Locator) Function: Activates the siren and flashing parking lights to help locate your vehicle or deter threats.
- Compatible with Directed by VOXX SmartStart-Pro: Allows for smartphone control and tracking (additional module may be required).
- Flashing Parking Lights: Visual confirmation of system arming/disarming and alarm triggers.
Components Included
The Avital 5308L system typically includes the following components:
- One (1) 2-Way Command-Confirming Remote
- One (1) 1-Way 4-Button Remote
- Main Control Module
- Siren
- Impact Sensor
- Wiring Harnesses
- User Manual / Installation Guide

Figure 1: Overview of the Avital 5308L system, showing both the 2-way LCD remote, the 1-way 4-button remote, and the product packaging.
Setup and Installation
As previously stated, professional installation is mandatory for this product. Do not attempt to install this system yourself unless you are a certified automotive electronics technician.
A qualified installer will perform the following steps:
- Pre-Installation Check: Verify vehicle compatibility and identify necessary wiring points.
- Module Mounting: Securely mount the main control module in a discreet and protected location within the vehicle.
- Wiring Connections: Connect all necessary power, ground, ignition, accessory, and security-related wires according to the detailed wiring diagram provided with the installation guide. This includes connections for door locks, trunk release, parking lights, and starter interrupt.
- Sensor Installation: Install the impact sensor and adjust its sensitivity as required.
- Siren Mounting: Mount the siren in a secure location, typically under the hood, ensuring it is protected from elements and accessible for maintenance.
- Remote Programming: Program the included 2-way and 1-way remotes to the system.
- System Testing: Thoroughly test all functions of the remote start and security system to ensure proper operation and integration with the vehicle's electrical system.
- User Instruction: Provide the vehicle owner with instructions on how to operate the system and its features.
For detailed wiring diagrams and specific installation procedures, refer to the comprehensive installation manual provided with the product, which is intended for professional use only.
Operating Instructions
This section outlines the basic operation of your Avital 5308L system using the provided remotes.
2-Way Command-Confirming Remote

Figure 2: The 2-way LCD remote control, featuring a display for command confirmation and system status.
- Arm/Lock: Press the Lock button once. The remote will confirm the command on its LCD screen and with an audible tone.
- Disarm/Unlock: Press the Unlock button once. The remote will confirm the command.
- Remote Start: Press and hold the Start button (often indicated by a car icon or specific symbol) for approximately 3 seconds. The remote will confirm the vehicle has started.
- Panic: Press and hold the Panic button (often indicated by a siren icon or specific symbol) for 3 seconds to activate the siren and flashing lights. Press again to turn off.
- Trunk Release: Press and hold the Trunk button (often indicated by a trunk icon) for 3 seconds.
- Status Check: Press a dedicated status button (if available) or briefly press the Lock button to check the vehicle's armed status.
1-Way 4-Button Remote

Figure 3: The 1-way 4-button remote control, providing essential functions without a display.
- Arm/Lock: Press the Lock button once.
- Disarm/Unlock: Press the Unlock button once.
- Remote Start: Press and hold the Start button (often indicated by a car icon) for approximately 3 seconds.
- Panic: Press and hold the Panic button (often indicated by a siren icon) for 3 seconds. Press again to turn off.
Note: Specific button functions and sequences may vary slightly. Refer to your installer's instructions or the full user manual for precise details.
Maintenance
The Avital 5308L system is designed for minimal maintenance. However, consider the following:
- Remote Battery Replacement: When the remote's range decreases or the LCD display on the 2-way remote becomes dim, it's time to replace the battery. Refer to the remote's specific instructions for battery type and replacement procedure.
- System Checks: Periodically test all functions (locking, unlocking, remote start, alarm trigger) to ensure the system is operating correctly.
- Professional Inspection: If you experience any persistent issues or wish to add new features, consult with a professional Avital installer.
Troubleshooting
Before contacting support, review these common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding / Reduced range | Low remote battery; Interference; Out of range. | Replace remote battery; Move away from sources of interference (e.g., power lines, radio towers); Move closer to the vehicle. |
| Vehicle does not remote start | Hood open; Vehicle not in Park/Neutral; Low fuel; Check engine light on; System disarmed. | Ensure hood is closed; Confirm vehicle is in Park (automatic) or Neutral (manual, if applicable); Check fuel level; Address any vehicle warning lights; Ensure system is armed. |
| Alarm triggers unexpectedly | Impact sensor sensitivity too high; Faulty sensor; Loose wiring. | Consult installer to adjust impact sensor sensitivity; Have system inspected by a professional. |
| Doors do not lock/unlock | Wiring issue; Vehicle's door lock system malfunction. | Have system inspected by a professional. |
If troubleshooting steps do not resolve the issue, please contact your professional installer or Avital customer support for further assistance.
Specifications
| Model Number | 5308-L |
| Product Dimensions | 6.5 x 6.4 x 5.8 inches |
| Item Weight | 2.35 pounds |
| Maximum Range | 0.25 Miles (approximately 1320 feet) |
| Compatible Devices | Directed by VOXX SmartStart-Pro (requires additional module) |
| Remote Controls Included | Yes (One 2-way, One 1-way) |
| Manufacturer | Audiovox Corporation |
Warranty and Support
Avital products are backed by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Avital website. Warranty claims typically require proof of professional installation.
For technical support, troubleshooting assistance beyond this manual, or to locate an authorized installer, please contact Avital customer service or visit their official support portal. You can often find support information on the manufacturer's website or through your professional installer.
Avital Official Website: www.avital.com (This is a placeholder link, please verify the actual official website for Avital support.)





