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Programming Car Keys Key programming is a type of service that has gained importance as cars 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 can be more than just a way to start the car – they also unlock the rear hatch and protect the vehicle from physical and cyber-physical attacks. You must know how to program them. What is a transponder-key? Transponder keys are car key that has an anti-theft security measure integrated into it. This is accomplished by incorporating an RFID microchip in the plastic head section of the key. This chip is used to relay a signal to your vehicle's immobilizer in the ignition's start-up procedure. This prevents hot-wiring of the car, making it very difficult to take your vehicle. This is not to say that transponder keys are secure however, even though they add an additional layer of security, it does not mean that criminals cannot use their skill set to break into the vehicle. It just means that they need much more time and effort to do so and that's why this security feature is an enormous benefit to anyone who is concerned about the safety of their vehicles. The way transponder keys function is very straightforward. The microchip that is inside the head of the transponder key is programmed to hold an unique serial number that is linked to the immobilizer inside your vehicle. When you put the key in the ignition the immobilizer system will detect the serial number and validate it. If the serial number matches, then the engine will start. There are many different kinds of transponder chip that can be programmed. The type of chip that your vehicle uses will determine the type of key you have. You can locate the correct transponder chip for your car by using a search engine or going to an expert locksmith and asking them what type of key you have. In general transponder keys are more expensive to replace than non-transponder keys because they have the added expense of the microchip. The dealership that sells your vehicle is the most expensive alternative to replace your keys, as they have the highest cost of overhead. However you can also visit a locksmith to get a new key. Another thing to keep in mind is that you can only program a transponder key in the event that it hasn't been cut already. You can try to do it yourself by buying a transponder chip at one of the many stores offering these services, but you'll require a special device to complete the task. What is the process for programming a transponder? A car key that has chip inside is a type of transponder key. They are designed to guard against auto theft by ensuring that only the correct key can start the vehicle. If you've lost your keys or the chip is damaged, a locksmith can program a replacement for you. Most of the time, the process for programming a chip key is relatively simple and straightforward. However, some cars require special equipment to program the key. The first step in the process is to determine what type of key you have. To ensure that you have the correct key blank it is important to know your vehicle's make, model and year. Some keys come with transponder chips inside the key head, while others don't. If your key has a chip and the bow cover (the plastic part that sits on top of the key) will be thicker than on a non-chip key. It is also possible to tell if your key has chips by looking at the ignition. If the key has a push-to-start button instead of a hole it could be a chip. After auto car key programmer have a suitable key blank, the next step is to determine the method of programming that will be used. Some transponder keys can be programmed with on-board diagnostics, while others require specific key programming device. The key programming device should be compatible with the circuitboard/key transponder that is being utilized. It must also operate at the same frequency as the car's computer onboard. It may be tempting to save money by programming a transponder yourself however, this could be risky. If you do not follow the proper procedure you could damage the data on your chip and make it impossible for you to start your vehicle. It is best to get your key programmed by a professional who has the tools and expertise required to complete the task. It is also an excellent idea to make additional keys when you still have them, so that in the event that you lose one, you will be able to replace it quickly and easily. How do I program my transponder key? The chip must be programmed in the head of the car key if the vehicle is controlled by transponders. This can be a challenging process, especially if you have lost or damaged keys. You may be able start the car without the transponder, however it is not recommended. In such cases you should consult a professional locksmith or car dealership to resolve the problem. To program a transponder key you must have the right tools and understand the proper procedure for your vehicle. Transponder keys usually come with an antenna ring that is attached to the head that transmits radio frequency energy to a chip inside. The antenna ring receives an identification code from the chip. When the signal is received the ignition system will detect that the key is in the ignition and turn on. If you have the proper equipment and know the procedure for your vehicle, you are able to do it at home. Many manufacturers have their own methods of programming, which may require specific equipment. It is important to know that programming will require an extended battery life. If your battery fails and you need to start the process again. This is why a majority of people opt to have an expert do it for them. Transponder keys that are correctly programmed can save you money and time. You can easily program a new transponder to work with your previous one if you follow the steps below. You must use the transponder key programer that is compatible with the vehicle model you have. Follow the directions on the device to get the best results. Be aware that some automobile models come with a special technology that requires a dealer to create a new key, but this is not the case with the majority of vehicles. This process should be simple and fast if you have the right key and the necessary equipment.