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Programming Car Keys Key programming is a service that has become more important as automobiles have become more electronic. Key programming can earn a lot of income. But many shops don't provide this service. Modern keys and fobs are more than just keys – they can start the car remotely and open the rear hatch, and safeguard the vehicle from physical and virtual attacks. You need to know how to program them. What is a transponder? A transponder car key has an anti-theft security feature built in. This is accomplished by incorporating a radio frequency identification microchip in the plastic head of the key. The chip is used to transmit a signal to the immobilizer system in your vehicle during the initial ignition process. This prevents hot-wiring of the car and makes it extremely difficult to steal your vehicle. However, this does not mean that transponder keys are secure, because although they provide an additional layer of security it does not mean that a criminal can no longer employ their skills to break into vehicles. It just means that it takes them much more time and effort to do it which is why this security feature is a huge advantage to anyone that cares about the safety of their vehicles. The way that transponder keys function is very straightforward. The microchip inside the plastic head of the key is programmed with a specific digital serial number that is connected to the immobilizer system of your vehicle. The immobilizer system checks the serial number when you put the key in the ignition. If it matches the serial number, the engine will begin and if not, the car will not begin. 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. automotive key programming and professional locksmiths can assist you in finding the correct transponder for your vehicle. Transponder keys are more expensive to replace due to the microchip. The dealership that sells your vehicle is the most expensive option to replace your key because they have the highest overhead. However, you can also go to locksmiths to get a new key. Another important thing to be aware of is that you can only program a transponder key when it has not been cut previously. You can try to do it yourself by buying a transponder chip at one of the many stores that provide these services, but you'll require a special tool in order to complete the task. What is the process for programming a transponder key? A car key with a chip in it is a type of transponder key. They are designed to prevent auto theft by ensuring that only the correct key is used to start the car. If you've lost the key or the chip has been damaged, a locksmith is able to create a replacement key for you. In the majority of cases the process of programming a chip key is relatively simple and easy. Some cars require specialized equipment for programming the key. The first step in the process is to determine what kind of key you have. It is crucial to know the make, model and year of your car to ensure that you have the correct key blank. Some keys have transponder chips in the head of the key, but others do not. If your key has a chip the bow cover (the plastic section on the top of the key) will be heavier than on a chip-free key. You can also tell if your keys have a chip by checking your ignition. If it has a push-to start button instead of a key hole it's probably a key that has a chip. The next step is to determine which programming method will be employed. Certain transponder keys can be programmed with on-board diagnostics, however, others require a key programming device. The key programming device has to be compatible with the particular transponder or circuit key on the board being used, and must operate at the same frequency as the car's on-board computer. It may be tempting to save money by programming a transponder on your own however, this could be risky. If you don't follow the correct procedure, you may corrupt the data on the chip, making it impossible to start your vehicle. Therefore, it is recommended to hire a licensed professional who has access the necessary tools and knowledge to properly program your key. It is also a good idea to create additional keys while you still have them, so that if you lose one you can replace it quickly and quickly. How do I program a transponder-key? The chip must be programmed into the head of the car key if the vehicle is operated by transponders. This procedure can be difficult especially in the event that your keys are damaged or lost. You may be able start the car without a transponder, but it's not recommended. In these instances you should contact an experienced locksmith or a car dealer to resolve the problem. To program a transponder key, you must have the right tools and understand the right procedure for your vehicle. Transponder keys usually come with an antenna ring on the head that transmits radio frequency energy to a chip within. The antenna ring receives an identification code from the chip. When the signal is received the ignition system will detect that the key was inserted and turn on. You can do this at home if you have the right equipment and are familiar with the process that is appropriate for your vehicle. Most manufacturers have a specific method of programming that requires certain supplies. It is important to know that programming will require the use of a long-lasting battery. If your battery fails during the process, you'll need to start the process starting from scratch. This is the reason why many choose to have an expert do it for them. Transponder keys that are properly programmed can save you money and time. Follow the steps below to program a new key that will work with an older one. You need a transponder key programmer that is compatible with the vehicle model you have. Follow the directions on the device to get the best results. Be aware that some car models have special technology that requires a dealership to create a new key, but this is not the case with the majority of cars. If you have the correct key and the equipment needed the process should be quick and easy.