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Programming Car Keys Key programming is a service that has grown in importance as cars have become more electronic. It can generate a lot of income. But many shops don't offer this service. Modern keys and fobs perform more than just starting the car. They can also unlock the rear hatch and protect the vehicle from physical and digital attacks. This is why you must be capable of programming them. What is a transponder? A transponder car key features a security feature against theft built in. This is achieved by integrating an RFID chip that is used to identify radio frequency signals inside the head of the key. The chip is used to transmit a signal to immobilizer system of your car during the initial ignition process. This chip blocks hot-wiring and makes it very difficult to steal a vehicle. However, this does not mean that transponder keys are secure however, even though they provide an extra layer of security it does not mean that criminals can no longer utilize their expertise to break into a vehicle. It simply means that it takes them longer and more effort to do so which is why this security feature is a huge advantage to anyone that cares about the safety of their vehicles. Transponder keys are easy to use. The microchip inside the plastic head of the transponder key is programmed to contain an unique serial number that is a match for the immobilizer in your vehicle. When you put the key in the ignition the immobilizer system will detect the serial number and confirm it. If it is in fact the same the number, the engine will start and if not the car will not start. There are a few different kinds of transponder chips that can be programmed, and the type your vehicle is using will determine which type of key you own. You can determine the best transponder chip for your car by using an online search engine or by visiting an expert locksmith and asking them to tell you what kind of key you have. Transponder keys cost more to replace due to the microchip. key programing for your vehicle will be the most costly option to replace your key since they have the highest overhead costs, but you can also contact an expert locksmith to obtain your new key. You can only program the transponder if haven't already cut it. You can do it yourself if you purchase an transponder from one the stores that provide these services. However, you will require a specific tool to complete the task. What is the procedure to program a transponder? A car key that has a chip in it is a kind of transponder key. They are designed to prevent theft of vehicles by ensuring that only the correct key can start the car. A locksmith can program a new key you if you've lost yours, or the chip has been damaged in some way. Most of the time the process of programming a chip key is relatively easy and straightforward. Certain vehicles require special equipment for programming the key. To begin, you must identify the type of key you have. It is crucial to know the model, make, and year of your car to ensure you have the proper key blank. Some keys have the transponder within the head of the key, while others do not. If your key has a chip, the bow cover will be a bit thicker. You can also tell if your keys have chips by examining your ignition. If it has a push to start button instead of a key hole it's probably one equipped with a chip. The next step is to decide the method of programming to be employed. Some transponder keys can be programmed with on-board diagnostics, however, others require a key programming device. The key programming device should be compatible with the circuitboard/key transponder that is being utilized. It should also function at the same frequency of the vehicle's computer on-board. It's tempting to save money by programming a transponder yourself, but this can be risky. If you do not follow the correct procedure, you may corrupt the data on the chip, making it impossible to start your vehicle. It is best to get your key programmed by an expert who has the tools and experience necessary to accomplish this. It is a good idea, once you have the keys, to make extras to replace them quickly and conveniently if you lose one. How do I program a transponder-key? You have to program the chip in the head of the car key if your vehicle is operated by transponders. This can be a challenging procedure, particularly if have lost or damaged your keys. In some cases you might be able to start the car without the transponder chip however, this is not recommended and could cause issues. In such cases you should contact an expert locksmith or a car dealership to resolve the issue. You require the right tools to program a transponder, and you should know the correct procedure. Most transponder keys come with an antenna ring inside the key's head, which transmits bursts of radio frequency energy to the chip within the key. The chip responds with an identification code to the antenna ring. When the signal is received, the ignition system will detect that the key has been put in and will turn on. You can do this at home if you have the appropriate equipment and know-how of the procedure for your specific vehicle. Most manufacturers have their own programming method that may require specific supplies. Be aware that programming will require a long battery life. If your battery dies and you need to start the process over again. This is why a majority of people opt to have professionals do it for them. Transponder keys that are programmed correctly can save you money and time. Follow the steps below to program a new key to work with an old one. You should use an transponder key programming device that is compatible with your car model. Follow the directions on the device for the best results. Certain car models have special technology that requires a dealer to create a key. This is not the case for most vehicles. The process should be easy and quick if you have the correct key and necessary equipment.