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Using a Key Programmer Modern key fobs do more than just function as keys. They communicate with the vehicle to get it started, open the rear hatch and more. To accomplish this they must be programmed to work in conjunction. All automotive dealerships, auto manufacturers, and auto locksmiths offer key programming. You can do it yourself with the right equipment. What is a key programer? A key programmer is used to reprogram the transponder in the fob or key for the vehicle, truck or another vehicle. This process is necessary when the new key or fob has to be programmed. It is also necessary in cases where an existing fob or key has been lost or stolen. The device basically reprograms the digital signature on the chip inside the key to match the signature of the vehicle and enable it to start. Some vehicles are equipped with electronic immobilizers which prevent theft by preventing the engine from running without the right key. The system checks to see whether the fob or key is digitally signed. If it does not, the system will shut down. This kind of system is efficient in reducing theft of automobiles, and has been made compulsory for many models of car by the manufacturer. Most of these anti-theft systems are controlled by a module that is installed in the engine compartment, instrument cluster, or ignition lock. In certain instances the modules require special keys that have been programmed by professionals to function with the antitheft system. This is usually performed by a dealer or locksmith with computers. While it is possible to reprogramme some keys and fobs by yourself however, it is not recommended unless you are a highly experienced automotive technician. The wrongly programmed key could cause the vehicle to not start, or not to run or even to be destroyed. Most auto manufacturers have a particular procedure to program these kinds of keys. If you're looking to include key programming in your service offerings, it is recommended that you acquire an LSID (Locksmith Service ID). This credential gives you access to an inventory of key and immobilizer codes along with information about the product. Having this access allows you to program and test new keys for customers quickly and quickly. It also provides important documentation and support that will help you with your day-to-day business operations. How do I program a key? A key programmer is a piece equipment that can help you reprogram your car's keys. reprogram car key will read information from the microchip on the key, and write new information onto the chip. This allows you to use the key, and make sure that it works properly. The process of using a programer isn't easy and requires technical expertise. Therefore, before attempting to accomplish this yourself, you should first consult an expert locksmith or locksmith for directions. You can purchase a key programer and have it professionally programmed at a lower cost than the cost you would pay a dealership to do the job for you. But, remember that not all key programmers are compatible with your vehicle and you must ensure the compatibility of the item with your model of car prior to purchasing. Most of the time you'll require having your key fob reprogrammed by an dealer. The key fob has to be reprogrammed so that it can include the information specific to the anti-theft system of your vehicle. Dealers will usually need the VIN number of the car to do this, and they will charge a fee. You may be able to save money by giving the dealer a copy of your title that you can get through the DMV in all states. For certain cars you may also be able to reprogram your key if you have another working key that works on your vehicle. This is referred to as master key method, and it can be used to program a second key on some vehicles. For example, if you own an GM vehicle, simply insert your working key into the ignition and switch it on until the security light goes off. Once this happens then you can remove your working key, and then insert the new one to program it. You can also purchase a specialized EEPROM key programmer that is more expensive, but more efficient way to program car keys. However it is a more advanced technology that requires taking the car apart and reading the information from the microchip inside the key. This kind of programming is best suited to skilled automotive technicians with extensive experience in electronic repair. What are the best choices for a key programmer? There are many options available when it comes to key programmers. Some are solely focused only on the creation of new keys, while others include a wide range of diagnostic and service functions that make them a comprehensive tool for the mechanic's workshop. XTool is a producer of key programming tools that are well-received among customers is among these companies. Their products are affordable and are based on a customer-centric approach making them simple to use. One of the most popular models in their range is the XTOOL Inplus IP616, rated as one of the top in its class. It offers an easy, user-friendly interface and super clear instructions that guide users through the procedure of programming a new key. It offers two ways of doing so: By vehicle or via type. The former is more straightforward and is more suited to novices and home mechanics, while the latter is more advanced and requires some understanding. Autel MaxiIM IM608PRO Automatic Key Programmer is another great option. This is a brand new model that has more stability and power. It has an IMMO function that is powerful and full system diagnostics at OE-level, which makes it ideal for professional automotive technicians. This model can also bypass immobilizers on early Renault vehicles. It also has other functions that are useful, including reading mechanical key codes and dealer tool security codes. It also can read CAN data from some Peugeot and Citroen cars, and it comes with a long-lasting, rechargeable battery. Despite its incredible capabilities, the XTOOL Inplus IP616 is still reasonably affordable. It is available for under $500, making it a great choice for any mechanic. The device comes with a rechargeable battery, a quick boot-up time and supports both OBD CAN protocols. If you're looking for an even more advanced option, you should consider the Autel XP400 Pro Auto Key Programmer. It's an advanced IMMO tool that has a number of additional features, such as the ability to clone Freescale 9S12 MCUs. It supports a wider range than the previous model, and also has a CAN bus communication system that can work with ECUs. What key programmer is best for me? It all depends on what kind of work you perform and what you expect from your key programmer. If you're an auto locksmith, you may require a key programmer that covers the widest range of vehicles, like the Smart Pro or Autel IM608 Pro. They can do everything from reading/writing on a key to ECU programming, and even some advanced programming at the OE level. There are more affordable options for mechanics who don't need the entire equipment. One of these is the Xtool Pad3 tablet key programmer. It is specifically designed for key programming, however it also has advanced special functions, like oil service light resets, battery resets, EPB resets, and throttle body resets.