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Programming Car Keys As automobiles have become more electronic, key programming has become an important service that can bring in a lot of revenue. Many shops do not offer this service. Modern keys and fobs are more than just keys. They can start the car remotely and even open the rear hatch, and secure the vehicle against physical and virtual attacks. This is why you must be capable of programming them. What is a transponder? A transponder key is a car key that has an security measure to prevent theft in it. This is accomplished by incorporating an RFID chip that is used to identify radio frequency signals into the head of the key. This chip is utilized for relaying a signal your vehicle's immobilizer in the ignition start-up process. This prevents hot-wiring of the vehicle and makes it very 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 break into a vehicle. It takes a lot more time and effort for them to accomplish this and that's why they are a fantastic security option for anyone who is concerned about the safety of their vehicle. The way that transponder keys function is quite simple. The microchip in the plastic head of the transponder key is programmed with an individual serial number that corresponds with the immobilizer inside your vehicle. The immobilizer system will check the serial number once you insert the key in the ignition. If it matches the number, the engine will start and if not, the car will not start. There are several types of transponder chips that can be programmed and the type of chip your vehicle is using will determine which type of key you own. Search engines and professional locksmiths can assist you in finding the right transponder for your car. Transponder keys are more expensive to replace due to the microchip. The dealership for your car is the most expensive option for getting a replacement key since they have the most expensive overhead costs, however you can also seek out a professional locksmith to get your new key. You can only program the transponder if have not already cut it. You can try to do it yourself by purchasing a transponder chip from one of the many stores offering these services, but you'll require a special device to accomplish this task. What is the procedure for programming a transponder? A car key with chip inside is a transponder key. They are designed to prevent auto theft by ensuring that only the correct key is able to start the car. A locksmith can program a new key you in the event that you've lost yours or the chip has been damaged in some way. In most instances, programming a chip-key is a simple and easy process. Some cars require specialized equipment to program the key. To begin, you must first identify the type of key you have. To ensure that you have the correct blank for your key, it is crucial to know your car's model, make and year. Certain keys have a transponder within the key head, whereas others don't. If your key is equipped with a chip the bow cover (the plastic part 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 a chip by checking your ignition. If it has a push to start button instead of a key hole it's most likely an ignition equipped with a chip. Once you have the appropriate blank for the key The next step is to decide the method of programming to be used. Some transponder keys can be programmed using onboard diagnostics however, others require a key programming device. The device used to program keys must be compatible with the key circuitboard or transponder that is being utilized. It must also operate at the same frequency as the car's computer onboard. Although it may be tempting to try and save money by trying to programme a transponder key yourself, this is extremely risky. If you don't follow the proper procedure you could alter the information on your chip, making it impossible to start your vehicle. Therefore, it is best to hire a licensed professional who has access the necessary tools and knowledge to program your key correctly. It is a good idea, once you have the keys, to make extras to be able to replace them quickly and easily if you lose one. How do I program my transponder key? You must program the chip into the head of the car key if the vehicle is controlled by a transponder. This procedure can be difficult, especially if your keys are lost or damaged. In some cases, you may be able to start the car without the transponder chip however, this is not advised and could lead to problems. In such cases you should contact a professional locksmith or a car dealership to solve the issue. You require the right tools to program a transponder and you need to know the right procedure. Transponder keys typically include an antenna ring on their head that transmits radio frequency energy to a chip inside. The chip then responds with an identification code to the antenna ring. Once the transmission is received, the ignition system can recognize that the key is inserted and turn on. You can do this at home if you have the appropriate equipment and are familiar with the process that is appropriate for your vehicle. Many manufacturers have their own programming method that may require specific supplies. Be aware that programming will require a long battery life. If your battery fails it will be necessary to restart the process. This is why a majority of people opt to have a professional do this for them. Transponder keys that are programmed correctly can save you money and time. Follow the steps below to program a new key that will work with an older one. You must use the transponder key programer that is compatible with your vehicle model. Follow the directions on the device for the best results. Certain models of cars use special technology that requires a dealer to design a key. car key programming is not the case for the majority of vehicles. If you have the correct key and the appropriate equipment the procedure should be swift and simple.