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Programming Car Keys Key programming is a service that has gained importance as automobiles have become more electronic. It can bring in an enormous amount of money. But many shops don't provide this service. Modern keys and fobs are more than just fobs – they can start the car remotely and even open the rear hatch, and protect the vehicle from physical and virtual 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 security measure against theft built into it. This is accomplished by incorporating a microchip for radio frequency identification into the head of the key. This chip is used to relay a signal to the immobilizer system in your vehicle during the ignition startup process. This prevents hot-wiring of the vehicle and makes it very difficult to steal your vehicle. It isn't to say that transponder keys are infallible as although they provide an extra layer of security, it does not mean that criminals is unable to use their skill set to break into vehicles. It just means that it takes them longer and more effort to accomplish this and that's why this security feature is an enormous benefit for anyone who cares about the safety of their vehicles. The way the transponder key functions is very simple. The microchip inside the head of the transponder key is programmed to hold an individual serial number that is linked to the immobilizer on your vehicle. When you insert the key into the ignition the immobilizer will recognize the serial number and verify it. If programming keys is in line, then the engine will start. There are a variety of transponder chips that are able to be programmed. The kind of chip your vehicle is using will determine the kind of key you own. You can find the right transponder chip for your car by using a search engine or going to an expert locksmith and asking them to tell you what type of key you have. In general transponder keys tend to be more expensive to replace than non-transponder keys as they have the added expense of a microchip. The dealership for your car is the most expensive option to replace your key because they have the most expensive overhead costs, however you can also turn to a professional locksmith to get your new key. Another important thing to be aware of is that you are able to program a transponder key in the event that it hasn't been cut before. You can do it yourself if purchase the transponder from one of the stores that offer these services. But, you'll need a special tool to complete this task. What is the process for programming the transponder? Transponder keys are car keys equipped with a chip. They are designed to prevent auto theft by making sure that only the right key can start the car. Locksmiths can program a new key for you if you have lost yours or the chip has been damaged in any way. In the majority of cases, programming a chip-key is a relatively straightforward and simple procedure. Certain cars require special equipment for programming the key. To start, you must determine the type of key you have. It is crucial to know the model, make and year of your vehicle to ensure you have the proper key blank. Some keys have a transponder within the key head while others do not. If your key has a chip, the bow cover will be a bit thicker. You can also determine whether your keys have chips by examining the ignition. If it has a push to start button instead of a key hole it's probably a key equipped with chip. The next step is to choose which method of programming will be used. Certain transponder keys can be programmed using on-board diagnostics, however, others require a key programming device. The key programming device has to be compatible with the transponder/circuit board key that is being used, and must also work at the same frequency as the car's on-board computer. Although it may be tempting to try and save money by trying to programme a transponder key yourself, it is extremely risky. If you don't follow the correct steps, you may corrupt the data on the chip and make it impossible to start your vehicle. It is recommended to have your key programmed by an expert who has the tools and expertise required to complete the task. It is a good idea once you have the keys, to create additional keys to be able to replace them quickly and easily in the event that you lose one. How do I program my transponder key? If your car is equipped with a transponder key, you need to program the chip in the head of your car key in order to activate it. This can be a challenging procedure, particularly if you have lost or damaged your keys. It is possible to start the car without the transponder, but it is not recommended. In these cases you should contact a professional locksmith or car dealership to solve the issue. To program a transponder key you'll need the right tools and know the proper procedure for your vehicle. Most transponder keys come with an antenna ring that is located in the key's head that transmits short bursts of radio frequency energy to the chip inside 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 placed in the key and activate. If you have the correct equipment and know the procedure for your vehicle, you can do it at home. Most manufacturers have a specific method of programming that requires certain materials. It is important to know that programming will require a long battery life. If your battery is dead, you will need to start the process over again. This is why most people prefer having an expert do it for them. A transponder key that is programmed correctly will not only make sure that your vehicle is safe to drive but will also save you time and money. Follow the steps below to program a new key that will work with an existing one. You will need a programer compatible with the car model you have. Follow the directions on the device to ensure the best results. Be aware that certain automobile models come with a special technology that requires a dealership create the new key, however 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 required equipment.