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Programming Car Keys As cars have gone more electronic and more electronic, key programming has been an important service that can generate a significant amount of revenue. But many shops don't provide this service. Modern fobs and keys are more than just keys. They can remotely start your car, open the rear hatch, and safeguard the vehicle against physical and virtual threats. You need to know how to program them. What is a transponder? A transponder key is a car key that comes with an security measure to prevent theft built into it. This is accomplished by incorporating the radio frequency identification microchip into the plastic head portion of the key. This chip is utilized for relaying a signal to your vehicle's immobilizer in the ignition's start-up procedure. This stops hot-wiring the vehicle and makes it extremely difficult to take your vehicle. It isn't to say that transponder keys are infallible, because although they provide an additional layer of security, it does not mean that a criminal cannot utilize their expertise to break into the vehicle. It just means that it takes much more time and effort to do so and that's why this security feature is a huge benefit to anyone that cares about the security of their vehicles. Transponder keys are very simple to use. The microchip that is embedded in the head of the key is programmed with a unique serial number that is linked to the immobilizer system of your vehicle. When you insert the key into the ignition the immobilizer system will detect the serial number and verify it. If the serial number is in line, then the engine will begin. There are several types of transponder chips that can be programmed and the type that your vehicle uses will determine the type of key you own. You can locate the correct transponder chip for your car through the search engine, or going to an expert locksmith and asking them to tell you what type of key you have. In general transponder keys tend to be more expensive to replace than non-transponder keys as they come with the additional expense of a microchip. The dealership for your car will be the most costly option for getting a replacement key due to the most expensive overhead costs, however you can also contact an expert locksmith to obtain your new key. Another thing to keep in mind is that you can only program the transponder key only when it has not been cut previously. You can attempt to do it yourself by buying a transponder chip at one of the many stores that provide these services, but you will require a special tool to complete the task. What is the procedure to program a transponder key? A car key that has a chip in it is a transponder key. They are designed to stop auto theft by ensuring that only the correct key can start the car. Locksmiths can program a new key for you if you've lost yours, or the chip is damaged in any way. In the majority of cases the process of programming a chip key is relatively easy and straightforward. However, some automobiles require specialized equipment to program the key. The first step in the process is to determine what kind of key you have. cut and program car key is essential to know the model, make, and year of your car to ensure that you have the correct key blank. Some keys have a transponder inside the head of the key, while others don't. If your key is equipped with a chip the bow cover (the plastic part at the top of the key) will be more thick than on a non-chip key. It is also possible to tell whether your key is equipped with chips by looking at your ignition. If it has a push to start button instead of a key hole it is probably an ignition equipped with a chip. The next step is to choose the method of programming to be used. Certain transponder keys can be programmed using on-board diagnostics while others require a special key programming device. The key programming device has to be compatible with the transponder/circuit key on the board being used, and must operate at the same frequency as the car's on-board computer. Although it may be tempting to try and save money by trying to programme a transponder key yourself, this is very risky. If you do not follow the proper procedure, you could corrupt the information stored on your chip and make it impossible to start your vehicle. It is recommended to have your key programmed by someone who has the tools and knowledge necessary to do so. It is a good idea, when you have keys, to make extras to replace them quickly and easily in the event that 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 operated by a transponder. This is a difficult process, especially if you have lost or damaged your keys. You might be able to start the car without the transponder, however it is not recommended. In these instances, you can contact an experienced locksmith or dealer to solve the issue. You will require the appropriate tools to program a transponder, and you need to know the right procedure. Most transponder keys include an antenna ring that is located in the key's head that transmits short bursts of radio frequency energy to the chip inside the key. The antenna ring receives an identification code from the chip. When the signal is received the ignition system will detect that the key is placed in the key and then activate. If you have the proper equipment and know the procedure for your vehicle, you are able to do it at home. The majority of manufacturers have their own methods of programming that may require specific tools. You should also be aware that the programming step will require a long battery power duration. If your battery fails during the process, you'll need to start the process at the beginning. This is the reason why many opt to have an expert do it for them. A transponder key that is programmed correctly will not only make sure that your vehicle is safe to drive but it will also save you time and money. You can easily program a new transponder key to work with your old one by following the steps below. You must use a programmer compatible with the car model you have. Follow the directions on the device to ensure the best results. Certain car models have special technology which requires a dealer to make the key. This is not the case for the majority of cars. If you have the right key and the necessary equipment this process should be quick and simple.