How to Use Xhorse Bluetooth Digital Smart Key (Program Key+ Bind Device)?

Xhorse Bluetooth Digital Smart Key is specially designed to work with Android & IOS smartphones to program key, read fault codes and real-time vehicle status monitoring, etc. It transforms your phone into a smarter, more secure key.

XHORSE XSBTK0EN Bluetooth Digital Smart Key Features:

Keyless Entry & Touchless Locking

Auto Unlock/Lock:

Automatically unlocks when approaching the vehicle.

Locks when walking away.

[Calibrate sensing position] to adjust detection sensitivity.

Keyless Start (Push-to-Start Ignition)

Start your vehicle effortlessly without inserting a key.

Multifunctional Remote Control

Full control via remote or smartphone app.

Diagnostic Assistant

Real-time vehicle status monitoring (battery, security alerts, etc.).

Advanced Customization Options

[Custom Buttons] – Personalize remote shortcuts.

[Learning Mode] – Pair up to 12 authorized smartphones.

[Change Password] – Revoke access for linked devices.

[Maintenance Mode] – Disable auto-lock in car washes/service scenarios.

Enhanced Security & Convenience

Bluetooth 5.0+ Control – Stable, long-range connectivity.

Zero Key Burial – No need to hide the original key inside the vehicle.

Secure Built-in Key – Disabled by default; only activated via system authorization.

Easy OBD Installation

Plug-and-play setup – Powered safely via the OBD-II port.

No wiring modifications – Fully reversible installation.

How to use Xhorse Bluetooth Smart Key?

Program the Key
Bind the Device
Write OBD Diagnostic Program (Optional)

In detail…

Program the Key

1).For Automotive Locksmith

Tools Required:

XhorseVVDI Key Tool Plus Pad (or other professional tools)
Tweezers/Pressing Tool (for disassembly)
CR2032 Battery (note polarity during installation)
OBD-II Diagnostic Tool

Step 1: Prepare the Smart Key

Disassemble the key fob carefully using a pressing tool.

Locate the built-in universal smart key inside

Insert the battery correctly, pay attention to the positive terminal and negative terminals

Step 2: Program remote

Select: Remote Program-> BYD-> Han-> Han ID46/4A 433.92-> Generate

Verify chip & frequency: Check “R-Chip” & “R-Remote”.

If the module is not recognized, it may be disabled

Fix:

Reinsert into the OBD port.

Pair via Bluetooth using the SmartKey Box App.

Unlock the car once via phone to activate.

Generate the key and pair it with the vehicle.

Sync the Key to the Vehicle:

Use the remote programming and IMMO programming to sync it to your car.

Step 3: Program IMMO

Select: Immo Programming-> BYD-> Select by year-> 2021- (new)/Smart keys programming-> Key programming

Place the matching key in the armrest box (key sensing area)

The key number is 2.

After key programming, make sure the battery is properly installed to the Xhorse Bluetooth Smart Key during the testing process. Test the lock and unlock function. Both are successful.