Smart Keymaker Key Maker Programmer 4D and 4C Chip for Toyota Lexus Support K Line and CAN-Bus Protocols Manufacturer Warranty is Valid for Purchasing from Astra Depot ONLY Only need 20 seconds to add one key without the dangerous to destroy the anti-theft system Correct identification of central locking remote controls --- A safe and credible product It can be used securely for all the 4D and smart keys anti-theft system of Toyota series without the dangerous to destroy the anti-theft system This product is the fastest and safest instrument to do the key programming of Toyota and Lexus series in case of all keys losing