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Automotive Locksmith Key Programming Most modern-day cars require some form of key programming. Depending on the car's maker and model, the procedure could be as simple as onboard programming with a spare key that works or as complicated as EEPROM or OBD2 programming. Most US and Asian automobile manufacturers have programming protocols that they share with auto tool makers to allow them to develop software and hardware for locksmiths in the automotive industry to use. Transponder Chips Most modern cars are equipped with what are called transponder chips in order to prevent theft. These are tiny computer microchips that emit low-level radio waves. They are equipped with a unique digital serial number that authenticates the key to your vehicle when it is plugged into the ignition barrel. If your car isn't able to recognize the signal it will shut down the engine. This technology has proven to be extremely successful in preventing car theft. This technology has also helped car owners save a good amount of money as they do not have to purchase new cars. The principle behind the transponder system is to make it difficult for thieves to start your car without a key. In the past, car thieves would simply force your ignition switch to the “on” position with a flat screwdriver or even use hot wires to disable the system completely. Transponder chips have dramatically decreased the likelihood of theft. When you place the transponder key into the ignition, the signal is received by an antenna hidden around the barrel. The antenna is programmed with the frequency of the chip inside the key. The car's computer onboard will recognise that the key is valid and allow fuel to flow, turn up the starter, or even start it. Depending on the manufacturer, certain vehicles can only accept the specific type of transponder chip. Therefore, it is essential that your automotive locksmith is equipped with the correct equipment to program your keys and remotes for your vehicle. A reputable locksmith for automotive will have a multi-vehicle programming tool that can be used on a variety of different car models and manufacturers. This is a less expensive option than purchasing individual tools for every brand of vehicle. These aren't as popular, but there are specialised automotive key programming tools that can only work on a particular type of vehicle. The best automotive locksmiths are equipped to work on any vehicle. Make sure you choose an established company that has this kind of equipment. Key FOBs As the name suggests, key FOBs house the programmable transponder chips that allow your vehicle to recognize and open the doors or start the engine using a push button ignition. You can also press buttons to activate features like trunk locks, door locks or control of the fuel flap. Some fobs also have additional functions that can be controlled with the push of a button, such as a “smart” key fob that lets you get your car into parking spaces that are difficult to access similar to a Tesla or Genesis GV60. While some replacement keys can be programmed by you using the assistance of a user's manual, you'll often require an automotive locksmith to get a new one programmed if yours stops functioning. A professional locksmith is better equipped to connect your computer to the vehicle to the OBD port on the steering wheel. Most key fobs today have security features that make it difficult for criminals to duplicate or duplicate the signals they transmit. They include pseudo-random generators that generate a fresh unlock code each time you press the button on the key fob. This blocks attackers from recording and replaying the unlock signal to gain access to your vehicle. In some cases you can purchase a replacement keyfob from an auto dealer or other retailer. The locksmith you choose to use will then program it to work with your car. This is because the majority of the major US and Asian automobile manufacturers have key fob programming protocols with third-party firms that produce the tools locksmiths for auto use to programme keys for their customers. Certain key fobs from the aftermarket may be marketed as being compatible with vehicles of all kinds. However, locksmiths for automotive advise against using them since they're likely to function poorly or not work even work at all. Instead, they suggest buying fobs specifically designed for your vehicle so that you are certain they'll function properly and be less prone to issues like interfering or incompatibility. This will save money in the long run by avoiding costly repairs or replacements for your fobs. Vehicle Manufacturers' Programming Tools The automotive industry has made huge advancements in the past few decades. Today's cars are computer-driven. One of the key components of this technology is a transponder chip that requires to be programmed to the vehicle by an auto locksmith or dealer/mechanic order to function. These key fobs have built-in security features that stop hot-wiring (like in a movie) and the car won't start without the correct key. These key fobs are a little more complicated than a traditional mechanical keys and that's why you'll typically find them in the hands of a skilled, professional auto locksmith. The cost of a car key fob varies depending on the type and model of key, but is usually between $85 and $400. This includes the labor to program the key fob, as well as the cost of any needed replacement parts. The car key fobs are more complicated due to the fact that they use software that interacts with the computer onboard of the car. The software blocks access by unauthorised persons by only permitting keys that have been programmed for a specific car to work. If you change your keys, you will need to program the new key fob in the car to allow it to work. This is done by using a programming tool for car keys that is compatible with the vehicle's brand. This tool allows the locksmith to connect to the OBD port (OBD) within the vehicle and then enter a programming mode. The key programming tool can be a handheld device that is inexpensive device or a more expensive one that is capable of performing various things beyond key programming (like reading and cloning EEEPROM files in the ECU). Some people may attempt to program their keys by themselves using these tools. However, this is best left to an experienced auto locksmith. If you're not familiar with the aspects of the various software systems, it's very easy to make a mistake and alter settings that could cause damage to the vehicle. It's important to keep in mind that a knowledgeable professional can assist you in avoiding these issues. On-Board programming If your car is old enough that it has a key, it might still come with a metal key that you can use to open doors and turn on the ignition. However, modern vehicles are equipped with a transponder chip that must be recognized by the computer system of the car to begin. This adds another layer of security to keep car thieves from starting and driving away with a stolen vehicle. A locksmith certified has the tools and software necessary to create a key that will be compatible with your car's security system. First, your locksmith needs to purchase a blank key that is compatible with the model and make of your vehicle. Once your locksmith has the key, he will connect the scanner for programming to the diagnostic port of your vehicle. This will put the car in a special programming mode, which will allow the locksmiths to add keys to the system. To accomplish this, the key programmer scanner will communicate with the car's computer system to transmit a particular code. The computer will be able to recognize the code and add it to the list of keys approved by. In certain situations scanners can delete lost or stolen keys. EEPROM programming is another method that can be used to program new car keys. It is more complicated and requires a thorough understanding of electronic systems. It is best to leave it to a professional who has experience with these systems. Onboard programming is the fastest method for locksmiths to program an entirely new key. If everything is done properly it can take as little as one minute. If the key isn't placed in the proper condition or the procedure isn't followed exactly, it can take up to a half hour. There are numerous key programmer scanners that support various models and makes of vehicles. Both the Smart Pro and Autel IM608 Pro are very popular with locksmiths due to their wide selection of models for vehicles. However, no system can program every vehicle on the market. These devices are also expensive. It's best to purchase a programmer which will receive regular updates from the manufacturer whenever new technologies are developed. Your programming machine will quickly become obsolete if you do not take this step.