The programmed key comes with added security since they come with a microchip within them. Through the car key programmer, the key is coded with respect to the car's ignition code such that the serial number of its chip is unique, and therefore it can't be duplicated at all.
Sometimes all the Nashville area locksmith may not be conversant with a particular problem. When it comes to lost key of Lexus car, every Nashville locksmith won't fit into the job. Owner or user of the car has to find out the exact locksmith having adequate technical knowledge and equipment to carry out the job.