Features 1. High Compatibility: OBD key maker supports various smart key systems in specific models, compatible with K-line and CAN BUS protocols, offering enhanced usability. 2. Powerful Function: The OBD2 transponder is designed to add smart keys, allowing the use of a master key to program additional keys, providing added convenience. 3. High Working Efficiency: Takes only 20 seconds to add a key using the OBD key programming tool, minimizing wait time and improving operational efficiency. 4. Excellent Security: The premium OBD key programming device is safe for use with the vehicle's security alarm system and supports all-key-lost scenarios, ensuring reliable performance. 5. Durable Construction: Made from high-quality ABS plastic, the smart OBD key maker features a sturdy and lightweight design for long-lasting use and easy handling. Specification Item Type: OBD Key Maker Material: ABS Function: 1. Use the main key to add additional keys: Connect the programmer to the vehicle's OBD port. After power-on, short beep sounds indicate the device has entered auto-search mode. Press the start button twice to activate the anti-theft module. After 7 seconds, a long beep of 45 sounds indicates successful connection (4 beeps for IV K system, 5 beeps for V CANBUS system). Wait 30 seconds for a long beep, indicating the vehicle is ready to add a key. 2. Add smart key: Place the original car key (logo side facing) near the start button; two beep sounds will occur, and the SEC light will flash twice. Within 5 seconds, place the new key near the start button; two more beeps will sound and the SEC light will flash again. After programming all keys, wait 30 seconds for the SEC light to flash, indicating the system has exited programming mode. 3. Initialization required when all keys are lost or only a spare key is available: Press and hold the LED button while connecting to the OBD port. After two short beeps, release the button; the device enters auto-search mode. Press the start button twice to wake the anti-theft system. After 7 seconds, a long beep of 45 sounds indicates successful connection (4 beeps for IV K system, 5 beeps for V CANBUS system). After 5 seconds, the LED light turns off. Wait 1016 minutes for a long beep and LED flickering, indicating the vehicle is ready to learn new keys. All keys lost mode: Place each smart key to be programmed (logo side facing) near the start button; two beep sounds will occur and the SEC light will illuminate twice. After programming all keys, wait 30 seconds for the SEC light to remain on, indicating the system has automatically exited programming mode. Package List 1 x OBD Key Maker