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Programming Car Keys As cars have gone more electronic and electronic, key programming has become an important service that can generate significant revenue. A lot of shops do not offer this service. Modern keys and fobs can perform more than just starting the car. They can also unlock the rear hatch and protect the vehicle from physical and virtual attacks. You must know how to program them. What is a transponder key? A transponder car key is a key that comes with a security feature to prevent theft included. This is accomplished by incorporating an RFID chip that is used to identify radio frequency signals inside the head of the key. This chip is used to relay a signal to your vehicle's immobilizer in the starting of the ignition. This stops hot-wiring of the car, making it extremely difficult to steal your vehicle. This is not to say that transponder keys are secure however, even though they provide an additional layer of security, it does not mean that a criminal cannot employ their skills to break into a vehicle. It takes a lot more time and effort for them to do this and that's why they are a great security feature for anyone who cares about the safety of their vehicle. The way that a transponder key works is quite simple. The microchip in the plastic head of the key is programmed with a unique serial number that is connected to the immobilizer system in your vehicle. When you insert the key into the ignition the immobilizer system will detect the serial number and verify it. If the serial number matches the engine will begin. There are several kinds of transponder chips that can be programmed, and the type that your vehicle is using will determine the type of key you have. Search engines and professional locksmiths can help you find the correct transponder to match your vehicle. Transponder keys are more expensive to replace due to the microchip. The dealership for your car is the most expensive option for getting a replacement key because they have the highest overhead costs, but you can also seek out an expert locksmith for your new key. Another important thing to remember is that you can only program a transponder key when it has not been cut already. You can do it yourself if you purchase a transponder from one of the stores that provide these services. However, you'll need a special tool to accomplish this task. What is the process to program a transponder key? Transponder keys are keys for cars with a chip. They are designed to prevent auto theft by making sure that only the correct key is used to start the car. If you've lost your keys or the chip is damaged, a locksmith will create a replacement key for you. In fob key programming of cases, programming a chip-key is a simple and easy process. Some cars require specialized equipment to program the key. To start, you must identify the type of key that you have. To ensure you have the correct key blank it is crucial to know your vehicle's model, make and year. Some keys have the transponder within the key head, whereas others don't. If your key has a chip and the bow cover (the part of the plastic that is on the top of the key) will be more thick than on a non-chip key. It is also possible to determine if your key has a chip by looking at your ignition. If it has a push-to start button instead of a key hole it is probably one equipped with chip. The next step is to determine the method of programming to be used. Certain transponder keys can be programmed using on-board diagnostics, however, others require a key programming device. The device used to program keys must be compatible with the circuitboard/key transponder that is being used. It must also operate at the same frequency as the vehicle's computer on-board. It's tempting to save money by programming a transponder yourself however, this could be risky. If you don't follow the proper steps you could corrupt the information on the chip and make it impossible to start your vehicle. It is best to get your key programmed by an expert who has the tools and knowledge necessary to do so. It is a good idea, once you have the keys, to create additional keys so that you can replace them quickly and easily if you lose one. How do I program my transponder key? You must program the chip in the head of the car key if your vehicle is controlled by transponders. This process can be tricky particularly in the event that your keys are lost or damaged. In certain situations, you may be able to start the car without the transponder chip, however, this is not advised and could lead to issues. In these cases you should contact a professional locksmith or car dealership to solve the issue. To program a transponder keys, you must have the right tools and be aware of the proper procedure for your vehicle. Transponder keys typically include an antenna ring that is attached to the head that transmits radio frequency energy to a chip inside. The chip responds with an identification code to the antenna ring. Once the transmission is received the ignition system will detect that the key has been in the ignition and activate. If you have the right equipment and know the process for your vehicle, you are able to do it at home. Many manufacturers have their own methods of programming that might require specific tools. Be aware that programming will require a long battery life. If your battery dies during the process, you will be required to start the process starting from scratch. This is why a majority of people prefer having an expert do it for them. A transponder key that is programmed correctly will not only ensure that your vehicle is safe to operate, but will also save you time and money. Follow the steps below to program a new key to work with an old one. You need to use a device compatible with your car model. Follow the instructions on the device for the best results. Some car models use special technology which requires a dealer to design a key. This is not the case with the majority of cars. The process should be straightforward and quick if you have the right key and the necessary equipment.