USARemote CWTWB1U343

USARemote Key Fob Remote Instruction Manual

Model: CWTWB1U343

1. Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your USARemote Key Fob Keyless Entry Remote. This product is designed as a replacement aftermarket part, offering convenient keyless access to your vehicle.

1.1 Compatibility

This key fob remote is compatible with various Ford, Lincoln, and Mercury vehicles. Please verify your vehicle's compatibility before proceeding with programming.

  • Ford: Crown Victoria (1995-2006)
  • Lincoln: Continental (1995-2002), Mark VIII (1997-1998), Town Car (1995-1997)
  • Mercury: Grand Marquis (1995-2006)

Replacement Part Numbers: CWTWB1U311, CWTWB1U313, CWTWB1U343, 1788A-FWB1U343.

USARemote Key Fob with programming information and compatible part numbers

Image: USARemote key fob showing programming details and compatible part numbers.

2. Product Overview

The USARemote key fob is a complete electronic assembly that includes a pre-installed battery. It features a durable construction designed for long-lasting use.

Two USARemote key fobs with lock, unlock, panic, and trunk buttons

Image: Two USARemote key fobs, illustrating the design and button layout.

3. Setup: Programming Instructions

Most compatible vehicles allow for user self-programming. However, some specific models, such as the 1998 Mercury Grand Marquis, may require programming by a dealer or an automotive locksmith. Please consult your vehicle's owner's manual for specific instructions or follow the general steps below.

3.1 General Self-Programming Steps

  1. Prepare Vehicle: Enter the vehicle and ensure all doors are closed.
  2. Ignition Cycle: Insert your ignition key. Turn the ignition from the OFF position to the RUN position 8 times within 10 seconds. End with the ignition in the RUN position. The door locks will cycle (lock and unlock) to confirm that the vehicle has entered programming mode.
  3. Program Remote: Within 20 seconds of the door locks cycling, press any button on the new key fob remote. The door locks will cycle again to confirm successful programming of that remote.
  4. Additional Remotes: If you have additional remotes (including existing ones you wish to continue using), repeat step 3 for each remote within 20 seconds of the previous remote's programming.
  5. Exit Programming Mode: Turn the ignition to the OFF position to exit programming mode. Test all remotes to ensure they function correctly.

If you encounter difficulties or your vehicle does not respond as described, professional programming may be necessary.

4. Operating Instructions

Your USARemote key fob provides convenient control over your vehicle's keyless entry system. The buttons perform the following functions:

  • Lock Button (🔒): Press once to lock all vehicle doors.
  • Unlock Button (🔓): Press once to unlock all vehicle doors.
  • Panic Button (🔊): Press and hold to activate the vehicle's alarm system. Press again to deactivate.
  • Trunk/Car Icon Button (🚗): Press once to open the trunk or activate other vehicle-specific functions.

4.1 Product Overview Video

Video: A brief overview of USARemote keyless entry remotes, demonstrating general product features and benefits.

5. Maintenance

5.1 Battery Replacement

The key fob uses a standard coin cell battery. When the remote's range decreases or it stops responding, the battery may need replacement.

  1. Open Casing: Carefully pry open the key fob casing using a small flat-head screwdriver or a coin.
  2. Remove Old Battery: Note the orientation of the existing battery and gently remove it.
  3. Insert New Battery: Insert a new, compatible coin cell battery (e.g., CR2032, check your original remote or vehicle manual for exact type) with the positive (+) side facing up.
  4. Close Casing: Snap the two halves of the key fob casing back together until it is securely closed.
  5. Test Functionality: Test the key fob to ensure all buttons are working correctly.

5.2 Care and Handling

  • Avoid dropping the key fob or exposing it to excessive force.
  • Keep the key fob dry and away from extreme temperatures.
  • Clean the exterior with a soft, dry cloth if necessary.

6. Troubleshooting

If your key fob is not functioning as expected, consider the following troubleshooting steps:

  • Remote Not Responding:
    • Ensure the battery is new and correctly installed.
    • Attempt the programming steps again carefully, ensuring all timing requirements are met.
    • Verify that your vehicle is indeed compatible with the CWTWB1U343 remote.
  • Intermittent Functionality:
    • This could indicate a low battery. Replace the battery as described in Section 5.1.
    • Check for potential radio frequency interference in the area.
  • Vehicle Does Not Enter Programming Mode:
    • Confirm the ignition key cycling is performed within the 10-second window.
    • Ensure all doors are fully closed.
    • If repeated attempts fail, your vehicle may require professional programming.

For persistent issues, please contact USARemote customer support.

7. Specifications

ManufacturerUSARemote
ModelCWTWB1U343
Item Weight1 ounces
Product Dimensions1.25 x 0.5 x 2 inches
Connectivity TechnologyRadio Frequency
Max Number of Supported Devices2

8. Warranty and Support

USARemote offers a hassle-free return policy for items that do not function as expected. For any questions, technical assistance, or support, please refer to the contact information provided with your purchase or visit the official USARemote website.

Our technical support team is available to assist you with programming and any other product-related inquiries.

© 2026 USARemote. All rights reserved.

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