The Xhorse Bluetooth Digital Smart Key is here to transform your phone into a smarter, more secure key! With this cutting-edge device, you can replace traditional keys and even use your phone for diagnostics.  Key Features Keyless Entry Touchless Locking Keyless Start Diagnostics Assistant Vehicle Status Check No Network Required Remote Authorization Smart Control OBD Easy Installation XM38 Smart Remote Reusable NOTE: The device requires the use of Xhorse devices during the initial installation. The battery is not included. Requires a CR2032 battery separately. The battery is out when it’s in the OBD port. The battery is only used when generating and programming. Key Programming Steps: 1. Program remote 2. Detect chip and frequency 3. Program immo 4. Test frequency Features: OBD easy installation. No need to bury the original car key. Keep informed about the vehicle status. Feature keyless entry and touchless locking. Binding provides dual security authentication. Control the vehicle intelligently through the APP. Read fault codes, diagnosing the car with the phone easily. Easily authorize the vehicle for remote use by friends and family. Equipped with BLE5.1 low-power Bluetooth, no network is required. If Bluetooth is unauthorized, the key won’t work, which is more secure. No need for a physical car key, achieving the keyless start through Bluetooth. Built-in universal smart key, support over 90% keyless start function vehicle modification and the generation of over 1000 vehicle models.