1. Product Overview
The X AUTOHAUX M3N5WY783X is a replacement keyless entry remote car key fob designed to provide convenient access and control for compatible vehicles. This 7-button remote operates at a frequency of 433MHz and includes a built-in chip for sensitive response.
Compatibility:
- For Dodge Grand Caravan: 2008-2016
- For Chrysler Town and Country: 2008-2016
Part Numbers/FCC ID: M3N5WY783X, IYZ-C01C

Image 1.1: Front view of the X AUTOHAUX keyless entry remote car key fob.

Image 1.2: The key fob in use, demonstrating its wireless function with a compatible vehicle.
2. Setup and Programming
This keyless entry remote and its integrated door key require professional programming and cutting to function with your vehicle. It is essential to ensure that the remote programming is compatible with your vehicle before proceeding with key cutting.

Image 2.1: Programming instructions emphasizing professional service.
Important Notes on Programming:
- The remote and door key must be programmed and cut by a qualified locksmith or dealership.
- Verify that the remote programming is compatible with your vehicle before having the key cut.
- A working key fob is typically required to add a new key to the vehicle's system.
- If a locksmith cannot program the key due to it being an aftermarket part or purchased online, it is recommended to seek another qualified locksmith.
This is a non-OEM product and an accessory only. Please ensure compatibility by checking the OE number/FCC ID and comparing the product picture with your existing key.
3. Operating Instructions
The X AUTOHAUX key fob features 7 buttons, each with a specific function for controlling your vehicle's keyless entry system.

Image 3.1: Detailed view of key fob buttons and their corresponding functions.
Button Functions:
- Lock: Press to lock all vehicle doors.
- Unlock: Press to unlock all vehicle doors.
- Panic: Press and hold to activate the vehicle's alarm system.
- Open Trunk: Press to open the vehicle's trunk or liftgate.
- Open Left Door (x2): Press twice to open the left sliding door (if equipped).
- Press Twice to Start (x2): Press twice to remotely start the vehicle (if equipped).
- Open Right Door (x2): Press twice to open the right sliding door (if equipped).
4. Maintenance
Battery Replacement:
The key fob is powered by a Lithium 3V battery. When the remote's range decreases or it becomes unresponsive, the battery may need replacement.
- Locate the small slot or seam on the key fob casing.
- Use the tip of a very small screwdriver or a similar thin tool to carefully pry open the back case.
- Remove the old Lithium 3V battery.
- Insert a new Lithium 3V battery, ensuring correct polarity.
- Snap the back case securely into place.

Image 4.1: Internal view showing the battery and circuit board for replacement reference.
General Care:
- Avoid exposing the key fob to extreme temperatures, direct sunlight for prolonged periods, or moisture.
- Do not drop the key fob or subject it to strong impacts.
- Clean the exterior with a soft, dry cloth if necessary.
5. Troubleshooting
If your keyless entry remote is not functioning as expected, consider the following troubleshooting steps:
- No Response from Vehicle:
- Ensure the vehicle's battery is not depleted.
- Check the key fob battery and replace it if necessary (refer to Section 4).
- Verify that the key fob has been correctly programmed to your vehicle by a qualified locksmith or dealership (refer to Section 2).
- Ensure you are within the effective range of the vehicle's receiver.
- Intermittent Functionality:
- This could indicate a low key fob battery. Replace the battery.
- Environmental interference may affect signal strength. Try operating the remote in a different location.
- Physical Key Issues:
- If the physical key blade does not turn in the ignition or door lock, ensure it has been properly cut by a professional locksmith.
If these steps do not resolve the issue, contact a qualified automotive locksmith or dealership for further assistance.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | M3N5WY783X (FCC ID: IYZ-C01C) |
| Frequency | 433MHz |
| Number of Buttons | 7 |
| Material | Metal, Plastic |
| Color | Black |
| Product Dimensions (L x W) | 8.3cm x 4cm (3.27" x 1.57") |
| Item Weight | 1.44 ounces |
| Vehicle Service Type | Car |

Image 6.1: Key fob dimensions and retractable key mechanism.

Image 6.2: Key fob shown with a key ring for easy carrying.
7. Warranty and Support
Information regarding product warranty and specific support contacts is not provided in the available data. For any issues or inquiries, please refer to the retailer or the X AUTOHAUX official channels if available.