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Programming Car Keys Key programming is a process that has grown in importance as automobiles have become more electronic. It can bring in an enormous amount of money. However, many shops do not offer this service. Modern fobs and keys are more than just keys – they can remotely start the car and open the rear hatch, and secure the vehicle from physical and virtual threats. This is why you must be capable of programming them. What is a transponder key? A transponder car key is a key that has an anti-theft security feature integrated into it. This is achieved by integrating a microchip to identify radio frequencies into the head of the key. The chip is used for relaying a signal to your vehicle's immobilizer during the ignition start-up process. This stops hot-wiring of the car, making it extremely difficult to take 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 is unable to utilize their expertise to gain entry into vehicles. It simply means that it takes longer and more effort to do it which is why this security feature is an enormous benefit to anyone who is concerned about the safety of their vehicle. The way that the transponder key functions is very simple. The microchip inside the plastic head of the transponder key is programmed to hold an unique serial number that corresponds with the immobilizer on your vehicle. The immobilizer system checks the serial number when you insert the key in the ignition. If it is in fact the same the number, the engine will start and if not the car will not begin. There are a few different types of transponder chips that can be programmed, and the type of chip your vehicle is using will determine what kind of key you have. Professional locksmiths and search engines can help you locate the correct transponder for your car. Transponder keys are more expensive to replace due to the microchip. The dealership that you use for your vehicle is the most expensive option to replace your key because they have the highest overhead costs, but you can also contact an expert locksmith to obtain your new key. Another important thing to be aware of is that you are able to program the transponder key in the event that it hasn't been cut previously. You can attempt to do it yourself by purchasing a transponder chip from one of the many stores that offer these services, but you will need to have a special tool in order to complete this task. What is the procedure for programming a transponder key? Transponder keys are car keys that have chip. They are designed to prevent auto theft by making sure that only the right key is used to start the car. If you've lost the key or the chip has been damaged, a locksmith can make a replacement for you. In the majority of cases, the process for programming a chip key is relatively simple and easy. Certain vehicles require special 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 essential to know your vehicle's model, year, and make. Some keys have a transponder within the key head while others don't. If your key is equipped with a chip, the bow cover (the plastic section on the top of the key) will be thicker than on a non-chip key. You can also determine whether your keys are equipped with chips by looking at your ignition. If your key has a button to start instead of a hole it could be a chip. The next step is to choose which method of programming will be used. Some 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 particular transponder or circuit board key being used, and it must operate at the same frequency as the vehicle's onboard computer. It may be tempting to save money by programming a transponder yourself, but this can be risky. If you don't follow proper procedure, you could corrupt the information on your chip, making it impossible to start your vehicle. Therefore, it is always best to hire a licensed professional who has access to the right tools and know-how to program your key correctly. It is also an excellent idea to have extra keys made when you still have them, so that if you do lose one, you can be replaced quickly and easily. How do I program a transponder-key? You must program the chip inside the head of the car key if your vehicle is operated by a transponder. This can be a challenge particularly when keys are damaged or lost. In certain situations it is possible to start the car without the transponder chip however this isn't recommended and could lead to issues. In these cases you should contact a professional locksmith or car dealership to resolve the problem. To program a transponder keys, you need to have the right tools and know the correct procedure for your vehicle. The majority of transponder keys have an antenna ring that is located in the head of the key, which transmits bursts of radio frequency energy to the chip inside the key. The antenna rings receives an identification code from the chip. Once the transmission is received, the ignition system can detect that the key has been in the ignition and turn on. If you have the correct equipment and know the process for your vehicle, you are able to do it at home. Most manufacturers have their own programming method that may require specific equipment. It is important to know that programming requires the use of a long-lasting battery. If your battery is dead it will be necessary to restart the process. This is why most people choose to have professionals do it for them. Transponder keys that are correctly programmed can save you money and time. Follow the steps below to program a new key to work with an older one. You must use an transponder key programming device that is compatible with your car model. For the best results, you should follow the instructions on the device. Some car models use special technology which requires a dealer to design a key. This is not the case for most vehicles. The process should be straightforward and quick if you have the correct key and the necessary equipment.