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Programming Car Keys As cars have gone more electronic and electronic, key programming has become an essential service that can bring in a lot of revenue. There are many shops that do not provide this service. Modern fobs and keys are more than just fobs – they can remotely start your car and open the rear hatch, and safeguard the vehicle against physical and virtual attacks. This is why you need to be able to program them. What is the transponder key? A transponder car key is a key that features a security feature against theft built in. This is accomplished by incorporating the radio frequency identification microchip into the plastic head section of the key. This chip is used to transmit a signal to immobilizer system of your car during the ignition startup process. This prevents hot-wiring of the car and makes it extremely 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 employ their skills to gain entry into vehicles. It just means that they need much more time and effort to do it and that's why this security feature is an enormous benefit for anyone who cares about the security of their vehicles. Transponder keys are easy to use. The microchip in the head of the transponder key is programmed with a unique digital serial code that is a match for the immobilizer inside your vehicle. When you put the key in the ignition, the immobilizer system will recognize the serial number and validate it. If the serial number is in line, then the engine will start. There are a variety of transponder chips that can be programmed. The type of chip your vehicle is using will determine the type of key you own. You can determine the best transponder chip to match your vehicle by searching on an online search engine or by visiting a professional locksmith and asking them what kind of key you own. Transponder keys cost more to replace because of the microchip. The dealership that sells your car is the most expensive option to replace your key because they have the most overhead. However you can also visit locksmiths to purchase a new key. You can only program the transponder if have not already cut it. You can try to do it yourself by buying a transponder chip at one of the many stores that provide these services, but you will require a specific device to complete this task. What is the procedure to program the transponder? A car key that has a chip in it is a type of transponder key. They are designed to prevent auto theft by ensuring that only the correct key can start the car. If you've lost the key or the chip is damaged, a locksmith will program a replacement for you. In most cases the process of programming a chip key is relatively easy and straightforward. Some cars require specialized equipment to program the key. To begin, you must determine the type of key you own. To ensure you have the correct key blank, it is crucial to know your vehicle's model, year, and make. Certain keys have transponder chips inside the head of the key, whereas others don't. If your key is equipped with 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 determine if your key has chips by looking at the ignition. If the 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 employed. Some transponder keys can be programmed using onboard diagnostics, while others require a specific key programming device. The key programming device has to be compatible with the transponder/circuit board key being used, and must also operate at the same frequency as the car's on-board computer. While it is tempting to save money by attempting to program a transponder key yourself, it is very risky. If you do not follow the correct steps you could corrupt the data on the chip, making it impossible to start your car. It is recommended to have your key programmed by a professional who has the tools and experience necessary to accomplish this. resource for this article is also recommended to make additional keys as long as you have them, so that in the event that you do lose one, you will be able to get it replaced quickly and easily. How do I program a transponder key? If your vehicle is equipped with a transponder key you must program the chip inside the head of your car key in order to activate it. This is a difficult procedure, particularly if have lost or damaged your keys. In some cases you might be able to start your car without the transponder chip, however this isn't recommended and could cause problems. In these situations you should consult an experienced locksmith or dealer to solve the problem. You need the right tools to program a transponder and you should know the correct procedure. Transponder keys typically come with an antenna ring on the head that transmits radio frequency energy to a chip within. The chip then responds with an identification code to the antenna ring. After the signal has been received the ignition system will detect that the key was put in and will turn on. You can do this at home, provided you have the right equipment and know-how of the procedure for your specific vehicle. Most manufacturers have their own method of programming that may require specific supplies. It is important to know that programming requires the use of a long-lasting battery. If your battery fails it will be necessary to restart the process. The majority of people hire professionals to handle this. Transponder keys that are properly programmed will save you time and money. Follow the steps below to program a brand new key to work with an old one. You must use a transponder key programmer that is compatible with your car model. Follow the directions on the device for the best results. Keep in mind that some car models have special technology that requires a dealership to create a new key, but this is not the case for the majority of cars. The process should be straightforward and fast if you have the correct key and the required equipment.