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Programming Car Keys Key programming is a type of service that has gained importance as automobiles have become more electronic. It can generate lots of revenue. A lot of shops do not offer this service. Modern keys and fobs can be more than just a way to start the car. They can also allow you to open the rear hatch and secure the vehicle from physical and virtual attacks. You need to be aware of how to program them. What is a transponder-key? A transponder car key has an anti-theft security feature integrated into it. This is done by integrating the radio frequency identification microchip into the plastic head section of the key. This chip will relay a signal to the immobilizer system in your vehicle during the ignition startup process. This stops hot-wiring the car, making it extremely difficult to take your vehicle. However, this does not mean that transponder keys are secure however, even though they add an additional layer of security it does not mean that criminals can no longer use their skill set to gain entry into vehicles. It simply means that it takes much more time and effort to do so which is why this security feature is an enormous benefit to anyone that cares about the safety of their vehicles. Transponder keys are very simple to use. The microchip in the head of the transponder key is programmed to contain an individual serial number that corresponds with the immobilizer in your vehicle. The immobilizer system will verify the serial number once you insert the key into the ignition. If the serial number matches, then the engine will start. There are several types of transponder chips that can be programmed and the type that your vehicle uses will determine what kind of key you own. Professional locksmiths and search engines can help you locate the appropriate transponder to match your vehicle. In general, transponder keys are more expensive to replace than non-transponder keys because they come with the additional expense of a microchip. The dealership that sells your vehicle is the most expensive alternative to replace your key, as they have the most overhead. However, you can also go to locksmiths to purchase a new key. You can only program the transponder if haven't cut it yet. You can try doing it yourself by buying a transponder chip at one of the many stores that provide these services, but you will need to have a special device to complete the task. What is the procedure to program a transponder key? Transponder keys are keys for cars equipped with chip. They are designed to prevent auto theft by making sure that only the right key can start the car. If you've lost the key or the chip has been damaged, a locksmith will program a replacement for you. In most cases, the process for programming a chip key is relatively simple and easy. However, some vehicles require specialized equipment to program the key. To start, you must identify the type of key you own. To ensure that you have the correct blank for your key, it is essential to know the make, model and year. Certain keys have a transponder inside the head of the key, while others do not. If your key is equipped with a chip the bow cover (the plastic section at the top of the key) will be more thick than on a non-chip key. You can also tell whether your keys are equipped with chips by looking at the ignition. If it has a push to start button instead of a key hole it is probably one equipped with chip. After you have a suitable blank for the key The next step is to determine the method of programming that will be used. Certain transponder keys can be programmed using on-board diagnostics, while others require a special key programming device. The key programming device must be compatible with the circuit board key being utilized, and must also work at the same frequency as the car's on-board computer. While it's tempting to save money by attempting to program a transponder chip yourself, this is extremely risky. If you do not follow the proper steps, you could corrupt the data on the chip, making it impossible to start your vehicle. It is best to get your key programmed by a professional who has the tools and experience necessary to do so. It is a good idea, when you have 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 the transponder key? The chip must be programmed inside the head of the car key if the vehicle is controlled by transponders. This can be a tricky procedure, particularly if you have lost or damaged keys. In some cases you might be able to start the vehicle without the transponder chip but this is not advised and could lead to trouble. In these situations you should consult an experienced locksmith or a car dealer to resolve the problem. To program a transponder key, you must have the right tools and know the right procedure for your vehicle. The majority of transponder keys have an antenna ring in the head of the key that transmits short bursts of radio frequency energy to the chip inside the key. fob key programming responds by sending an identification code to the antenna ring. When the signal is received, the ignition system can recognize that the key is inserted and turn on. You can do this at home, provided you have the appropriate equipment and know-how of the procedure for your specific vehicle. The majority of manufacturers have their own method of programming that might require specific equipment. Be aware that the programming process requires a large battery power duration. If your battery dies during the process, you'll need to start the process again starting from scratch. This is the reason why many opt to have an expert do it for them. Programming a transponder key correctly will not only make sure that your vehicle is safe to drive but will also save you time and money. You can easily program a new transponder key to work with your previous one by following the steps below. You need an transponder key programming device that is compatible with the vehicle model you have. For best results, follow the instructions on the device. Certain models of cars use special technology that requires a dealer to make keys. This is not the case with most vehicles. If you have the right key and the appropriate equipment this process should be quick and easy.