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Programming Car Keys As cars have gone more electronic, key programming has become an important service that can bring in a lot of revenue. A lot of shops do not offer this service. Modern keys and fobs can do more than just start the car. They can also allow you to open the rear hatch and secure the vehicle from physical and cyber-physical attacks. This is why you need to be able to program them. What is a transponder? A transponder key is a car key that comes with an anti-theft security measure built into it. This is accomplished by incorporating the radio frequency identification microchip in the plastic head section of the key. This chip is used to transmit a signal to immobilizer system of your car during the ignition startup process. This chip blocks hot-wiring process and makes it extremely difficult to take an automobile. It isn't to say that transponder keys are secure however, although they provide an additional layer of security it does not mean that criminals can no longer utilize their expertise to break into vehicles. It just means that it takes them much more time and effort to do so and that's why this security feature is a huge benefit to anyone who is concerned about the safety of their vehicles. The way the transponder key functions is very simple. The microchip in the plastic head of the key is programmed with a unique digital serial number that correlates to the immobilizer system that is in your vehicle. When you put the key in the ignition the immobilizer system will detect the serial number and confirm it. If it matches the number, the engine will start and if not it does, the car won't start. There are many different kinds of transponder chips that are able to be programmed. The type of chip your vehicle uses will determine the type of key that you have. You can locate the correct transponder chip for your car through the search engine, or going to a professional locksmith and asking them what type of key you have. Transponder keys cost more to replace due to the microchip. The dealership for your car will be the most costly alternative for a replacement key because they have the highest overhead costs, but you can also turn to an expert locksmith to obtain your new key. Another thing to keep in mind is that you can only program the transponder key only when it has not been cut before. You can do it yourself if purchase an transponder from one the stores that provide these services. However, you'll need a special tool to complete this task. What is the process to program a transponder key? Transponder keys are keys for cars with a chip. They are designed to stop auto theft by making sure that only the right key is used to start the car. programming car key can program a new key you in the event that you've lost yours or the chip has been damaged in any way. In most cases, programming a chip-key is a relatively straightforward and easy process. However, some automobiles require specialized equipment to program the key. The first step is to determine what kind of key you have. To ensure you have the correct key blank, it is important to know your car's make, model and year. Some keys have the transponder in the key head, whereas others do not. If your key is equipped with a chip and the bow cover (the part of the plastic that is at the top of the key) will be more thick than on a non-chip key. It is also possible to determine whether your key has chip by looking at your ignition. If it has a push to start button instead of a key hole, it is probably an ignition equipped with a chip. The next step is to determine which programming method will be employed. Some transponder keys are programmed using on-board diagnostics, while others require a specialized key programming device. The key programming device has to be compatible with the transponder/circuit board key being used, and it must also work at the same frequency as the vehicle's on-board computer. It may be tempting to save money by programming a transponder on your own but this is risky. If you do not follow the proper procedure you could alter the data on your chip, making it impossible for you to start your car. It is recommended to have your key programmed by a professional who has the tools and knowledge necessary to do so. It is a good idea while you have the keys, to make additional keys so that you can replace them quickly and conveniently if you lose one. How do I program a transponder key? If your vehicle is equipped with a transponder key you need to program the chip inside the head of the car key to start it. This process can be tricky particularly in the event that your keys are damaged or lost. You might be able to start the car without a transponder, but it is not recommended. In these situations you should consult an experienced locksmith or dealer to solve the problem. To program a transponder keys, you'll need the right tools and understand the proper procedure for your vehicle. Most transponder keys come with an antenna ring in the head of the key that sends out bursts radio frequency energy to the chip inside the key. The chip then responds with an identification code to the antenna ring. Once the transmission is received the ignition system will recognize that the key is placed in the key and activate. You can do this at home, provided you have the right equipment and know-how of the process that is appropriate for your vehicle. The majority of manufacturers have a certain procedure for programming that will require certain supplies. You should be aware that programming requires a long battery life. If your battery fails during the process, you'll need to start the process again starting from scratch. Most people will hire an expert to complete this. Programming a transponder key correctly will not only ensure that your vehicle is safe to drive, but can also save time and money. Follow the steps below to program a brand new key to work with an older one. You need a transponder key programmer that is compatible with your car model. To get the best results, follow the instructions on the device. Keep in mind that some car models have special technology that requires a dealership to create an entirely new key, however this is not the case with the majority of cars. The process should be easy and quick if you own the correct key and necessary equipment.