https://jsfiddle.net/llamajumper40/wtaoxnup/ Automotive Locksmith Key Programming Modern cars require some type of key programming. Depending on the vehicle's make and model, the procedure can be as easy as programming onboard using an extra working key or as complicated as EEPROM or OBD2 programming. The majority of US and Asian automakers use the same programming protocols as auto tool manufacturers, so they can design tools or hardware for locksmiths in the automotive industry. Transponder Chips Transponder chips are used in many newer cars to stop theft of cars. are small computer microchips which emit radio signals of low-level. The microchips are equipped with a unique serial number which authenticates your keys when you insert it into the ignition barrel. If your car isn't able to recognize the signal it will shut down the engine. This technology has proved to be an incredible success in preventing auto theft. This technology has also helped car owners save a good amount of money since they don't have to purchase new cars. The basic idea behind the transponder system is to make it difficult for thieves to open the doors of your car without the proper key. In the past, thieves would simply force the ignition switch of your car into the "on" position using the flat screwdriver, or make use of hot-wires to bypass the system completely. These types of thefts have been dramatically reduced with the introduction of the transponder chip. When you insert a transponder keys into the ignition, it will send an electrical signal that is detected by a hidden antenna circling the barrel of the ignition. The antenna is programmed with the frequency of the chip inside the key. The car's onboard computer will recognise that the key is legitimate and allow fuel to flow, power up the starter or start it. Depending on the manufacturer some vehicles will only recognise certain types of transponder chip. This is why it's important to ensure that your automotive locksmith has the a