Product Description:1. Safe and efficient: Only need 20 seconds to add one key 2. It is safe for the security alarm system3. Support all kinds of Toyota and Lexus smart key systems: support K-line and CAN-BUS protocols4. It is the most safe and fast key-programming device for Toyota and the Lexus series till now.5.It supports all key lostOperation instructions:Use the main key to add the other keys:1.Connect the programmer to the OBD port of the car,