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Programming Car Keys As cars have gone more electronic and electronic, key programming has become an essential service that could generate significant revenue. Many shops do not offer this service. Modern keys and fobs are more than just fobs – they can remotely start your car, open the rear hatch, and secure the vehicle against physical and virtual attacks. This is why you need to be in a position to program them. What is a transponder? A transponder car key has an anti-theft security feature built in. This is accomplished by incorporating an RFID chip to identify radio frequencies into the plastic head of the key. The chip is used to relay a signal to the immobilizer system of your vehicle during the ignition startup process. This stops hot-wiring the vehicle and makes it extremely difficult to steal your vehicle. However, this does not mean that transponder keys are infallible, because even though they provide an extra layer of security, it does not mean that a criminal is unable to employ their skills to break into a vehicle. It takes a lot more time and effort for them to do this, which is why they are a fantastic security feature for anyone who cares about the safety of their vehicle. The way a transponder key works is very straightforward. The microchip in the head of the transponder key is programmed to hold a unique digital serial code that is a match for the immobilizer in your vehicle. When you put the key in the ignition the immobilizer system will recognize the serial number and confirm it. If it matches the serial number, the engine will begin and if not it does, the car won't start. There are several kinds of transponder chips that can be programmed and the type of chip your vehicle uses will determine what kind of key you have. Professional locksmiths and search engines can assist you in finding the correct transponder to match your vehicle. Transponder keys cost more to replace due to the microchip. The dealership that sells your vehicle is the most expensive option to replace your key, as they have the most overhead. However you can also go to locksmiths to purchase a new key. You can only program the transponder in case you haven't cut it yet. You can do it yourself if purchase an transponder from one the stores that offer these services. But, you'll need a special tool to complete this task. What is the process for programming a transponder key? Transponder keys are keys for cars with a chip. They are designed to prevent auto theft by ensuring that only the right key is used to start the car. A locksmith can program a new key 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. Certain vehicles require special equipment to program the key. To start, you must identify the type of key that you own. It is crucial to know the make, model and year of your vehicle to ensure that you have the proper key blank. Some keys have transponder chips inside the head of the key, but others don't. If your key has a chip, the bow cover will be a bit thicker. You can also tell if your keys have chips by looking at the ignition. If it has a push to start button instead of a key hole it's most likely one equipped with chip. The next step is to decide which method of programming will be employed. Some transponder keys can be programmed using onboard diagnostics while others require a specialized key programming device. The key programming device should be compatible with the key circuitboard or transponder that is being used. sources must also operate at the same frequency of the vehicle's computer on-board. It's tempting to save money by programming a transponder on your own but this is risky. If you don't follow proper procedure you could damage the information on the chip, making it impossible for you to start your car. Therefore, it is always best to work with an authorized professional with access to the tools and expertise required to properly program your key. It is also a good idea to have extra keys made as long as you have them, so that if you lose one, you will be able to replace it 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 start it. This procedure can be difficult, especially in the event that your keys are lost or damaged. In certain situations you might be able to start the car without the transponder chip however this isn't advised and could lead to issues. In such cases you should contact a professional locksmith or car dealership to solve the issue. You require the right tools to program a transponder. Also, you must know the correct procedure. Most transponder keys come with an antenna ring inside the head of the key that transmits short bursts of radio frequency energy to the chip inside the key. The antenna ring receives an identification code from the chip. Once the transmission is received the ignition system will detect that the key has been in the ignition and then activate. You can do this at home, provided you have the right equipment and know-how of the process for your particular vehicle. Many manufacturers have their own method of programming, which may require specific supplies. Be aware that the programming step requires a large battery power duration. If your battery dies during the process, you'll have to begin the process over again at the beginning. This is the reason why many choose to have a professional do this for them. Transponder keys that are correctly programmed will save you money and time. Follow the steps below to program a new key to work with an existing one. You must use an transponder key programming device that is compatible with the vehicle model you have. For best results, follow the directions on the device. Certain models of cars use special technology which requires a dealer to create keys. This is not the case for most vehicles. If you have the correct key and the necessary equipment this procedure should be swift and easy.