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Programming Car Keys As cars have become more electronic and more electronic, key programming has been an essential service that can generate a significant amount of revenue. There are many shops that do not provide this service. Modern keys and fobs can do more than just start the car – they also unlock the rear hatch and secure the vehicle from physical and digital attacks. This is why you must be capable of programming them. What is a transponder? Transponder keys are car key that has an security measure against theft in it. This is accomplished by incorporating a microchip that is used to identify radio frequency signals inside the head of the key. This chip is used to transmit a signal to immobilizer system of your car when the ignition is turned on. This stops hot-wiring of the vehicle and makes 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 utilize their expertise to gain entry into the vehicle. It takes a lot more time and effort to accomplish this, which is why it is a great security feature for anyone who cares about the safety of their vehicle. Transponder keys are simple to use. The microchip inside the head of the transponder key is programmed to contain an unique serial number that is linked to the immobilizer on your vehicle. The immobilizer system will check the serial number once you put the key in the ignition. If the serial number matches then the engine will start. There are a variety of transponder chips that are able to be programmed. The type of chip that your vehicle is using will determine the type of key you have. Search engines and professional locksmiths can help you find the appropriate transponder for your vehicle. Transponder keys are more expensive to replace due to the microchip. The dealership that sells your car is the most expensive alternative to replace your keys because they have the highest overhead. However you can also go to a locksmith to get a new key. You can only program the transponder in case you have not already cut it. You can do it yourself if you purchase the transponder from one of the stores that offer these services. However, you will require a specific tool in order to complete this task. What is the process for programming 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 able to start the vehicle. If you've lost your keys or the chip has been damaged, a locksmith will program a replacement for you. Most of the time, the process for programming a chip key is relatively easy and straightforward. However, some automobiles require specialized equipment to program the key. To begin, you must first identify the type of key you have. To ensure that you have the correct blank for your key, it is important to know your vehicle's model, year, and make. Some keys come with a transponder chip inside the key head, while others don't. If your key has a chip, the bow cover (the plastic part at the top of the key) will be thicker than on a non-chip key. It is also possible to tell if your key has chip by looking at the ignition. If your key has a button to start instead of a hole then it probably has a chip. The next step is to decide which programming method will be used. Some transponder key can be programmed using on-board diagnostics while others require a special key programming device. The key programming device should be compatible with the circuit board key being utilized, and must operate at the same frequency as the vehicle's onboard computer. It's tempting to save money by programming a transponder on your own, but this can be risky. If you do not follow the proper procedure you could damage the data on your chip, making it impossible for you to start your vehicle. It is best to get your key programmed by an expert who has the tools and expertise necessary to do so. It is a good idea, when you have keys, to make extras to be able to replace them quickly and conveniently if you lose one. How do I program a transponder key? If your car is equipped with a transponder key you need to program the chip in the head of the car key to start it. This procedure can be difficult particularly if your keys are damaged or lost. You may be able start the car without the transponder, but it is not recommended. In these instances you should consult an experienced locksmith or dealer to resolve the issue. You will require the appropriate tools to program a transponder, and you should know the correct procedure. Transponder keys usually include an antenna ring on their head that transmits radio frequency energy to a chip within. The chip then responds by sending an identification code to the antenna ring. After the signal has been received the ignition system will recognize that the key was put in and will turn on. If you have the proper equipment and know the process for your vehicle, you can do it at home. programming car key have their own programming method, which may require specific equipment. Be aware that the programming step will require a long battery power duration. If your battery dies, you will need to start the process again. This is why a majority of people opt to have an expert do it for them. Transponder keys that are programmed correctly will save you money and time. Follow the steps below to program a new key that will work with an old one. You should use the transponder key programer that is compatible with your car model. Follow the instructions on the device for the best results. Keep in mind that some automobile models come with a special technology that requires a dealership create an entirely new key, however this is not the case for the majority of vehicles. If you have the right key and the necessary equipment this procedure should be swift and simple.