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Programming Car Keys As cars have become more electronic and more electronic, key programming has been an important service that can bring in a lot of revenue. A lot of shops do not offer this service. Modern keys and fobs can do more than just start the car. They also allow you to open the rear hatch and secure the vehicle from physical and digital attacks. This is why you must be capable of programming them. What is the transponder key? Transponder keys are car key with an additional security measure to prevent theft integrated into it. This is accomplished by incorporating a microchip that is used to identify radio frequency signals into the plastic head of the key. This chip is used to transmit a signal to immobilizer system of your vehicle when the ignition is turned on. This chip blocks hot-wiring process and makes it extremely difficult to steal a vehicle. It is not true that transponder key are foolproof. Although they provide an additional layer of security, a criminal still has the capability to employ their skills to break into vehicles. It simply means that it takes much more time and effort to do it, which is why this security feature is a huge advantage for anyone who cares about the safety of their vehicles. The way that a transponder key works is very simple. The microchip in the head of the transponder key is programmed to hold an individual serial number that is linked to the immobilizer inside your vehicle. When you insert the key into the ignition, the immobilizer system will detect the serial number and validate it. If the serial number is in line the engine will begin. There are a variety of transponder chips that are able to be programmed. The kind of chip your vehicle is using will determine the kind of key you have. Search engines and professional locksmiths can help you locate the right transponder for your vehicle. Transponder keys are more expensive to replace because of the microchip. The dealership for your car will be the most costly alternative for a replacement key due to the highest overhead costs, but you can also contact an expert locksmith for your new key. You can only program the transponder in case you have not already cut it. You can do it yourself if you purchase the transponder from one of the stores that offer these services. However, you'll require a specific tool to complete this task. What is the process for programming a transponder? A car key that has a chip in it is a transponder key. They are designed to prevent auto theft by making sure that only the right key is used to start the car. A locksmith can create a new key for you if you have lost yours, or the chip has been damaged in any way. In the majority of cases, programming a chip-key is a fairly straightforward and easy process. Some cars require specialized equipment to program the key. To begin, you must first determine the type of key you own. It is important to be aware of the make, model and year of your vehicle to ensure that you have the correct key blank. Certain keys have a transponder inside the key head while others do not. If your key has a chip and the bow cover (the plastic section at the top of the key) will be thicker than on a non-chip key. You can also determine if your keys have chips by looking at your ignition. If the key has a push-to-start button instead of a hole, then it probably has a chip. Once you have the appropriate key blank The next step is to determine which method of programming will be employed. Some transponder keys can be programmed using onboard diagnostics however, others require a key programming device. The key programming device must be compatible with the transponder/circuit board key being used, and must also work at the same frequency as the vehicle's on-board computer. While programming car key tempting to save money by trying to program a transponder key yourself, this can be very risky. If you don't follow the correct procedure, you may corrupt the data on the chip and make it impossible to start your car. It is best to get your key programmed by an expert who has the tools and expertise necessary to accomplish this. It is also an excellent idea to create additional keys as long as you have them, so that in the event that you lose one, you will be able to be replaced quickly and easily. How do I program my transponder key? If your vehicle operates with a transponder key, you need to program the chip in the head of your car key in order to start it. This procedure can be difficult, especially if your keys are lost or damaged. In some cases you might be able to start the car without the transponder chip however this isn't recommended and could cause trouble. In these cases you should consult a professional locksmith or a car dealership to solve the issue. You need the right tools to program a transponder. Also, you need to know the right procedure. Transponder keys typically have an antenna ring on their head that transmits radio frequency energy to a chip within. The chip then responds by sending an identification code to the antenna ring. When the signal is received, the ignition system can detect that the key is inserted and activate. You can do this at home, provided you have the right equipment and are familiar with the process for your particular vehicle. The majority of manufacturers have their own methods of programming that may require specific tools. You should be aware that programming will require an extended battery life. If your battery is dead it will be necessary to start the process over again. This is the reason why many choose to have an expert do it for them. A transponder key that is programmed correctly will not only guarantee that your vehicle is safe to drive but it will also save you time and money. You can easily program a new transponder to work with your previous one by following 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. Certain models of cars use special technology which requires a dealer to design keys. This is not the case with the majority of cars. If you have the right key and the appropriate equipment this process should be quick and easy.