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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 process could be as simple as onboard programming with a spare working key or as complex as EEPROM or OBD2 programming. Most US and Asian automakers have a programming protocol that they share with auto tool makers, so they can develop software or hardware for locksmiths in the automotive industry. Transponder Chips The majority of newer cars have what are called transponder chips to stop car theft. These are tiny computer microchips that emit radio waves of low-level. They have a unique digital serial number that authenticates the key to your car 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. automotive key programming has also saved car owners a great amount of money since they don't have to purchase new cars. The principle behind the transponder system is to make it difficult for thieves to open the doors of your vehicle without a valid key. In the past, car thieves used an ordinary screwdriver to force the ignition switch of your vehicle to go into “on” mode or even wire it hot to get around the system. These kinds of thefts have drastically reduced thanks to the introduction of the transponder chip. When you insert the transponder keys in the ignition the signal is picked up by an antenna hidden around the barrel. The antenna is programmed to read the specific frequency of the chip within the key. The computer onboard of the car will then recognise the key as being valid and allow fuel flow, power the starter or start the engine. Some vehicles only recognize a certain type of transponder chips, depending on the manufacturer. It is therefore essential that your locksmith for cars is equipped with the appropriate equipment to program your car's keys and remotes. A good automotive locksmith should have an instrument for programming keys for multiple vehicles that works with different models and car brands. This is a far cheaper alternative than buying separate tools for each type of vehicle. They are not as common, but there are specialised automotive key programmers that are able to only work on a particular type of vehicle. The best locksmiths for automotive have the tools needed to work on any vehicle. Be sure to choose an established company that has this type of equipment. Key FOBs As the name suggests, key FOBs house the transponder chips that can be programmed to allow your vehicle to recognize and open the doors, or start the engine using a push button ignition. It is also possible to press buttons to activate features like door locks, trunk releases or control of the fuel flap. Certain fobs can be controlled by pressing buttons. For example an “smart key” that allows you summon your car into tight parking spaces, like a Tesla or Genesis GV60. You can program spare key fobs by yourself with the help from a user guide, but you'll need to contact an automotive locksmith if the one you have isn't working. This is because an expert locksmith has the specialized equipment and access to the tools for programming needed to connect your car's computer to the on-board diagnostics (OBD) port beneath the steering wheel. The majority of key fobs are equipped with security features that make it harder for attackers clone and replicate the signals they transmit. Some key fobs have pseudo-random code generators, which generate a different unlock code every time you press the button. This stops attackers from recording and replaying the unlock signal to gain access to your vehicle. In many cases you can buy an additional key fob at the dealership or another retailer and have it programmable by your automotive locksmith to fit your particular vehicle. This is because most of the major US and Asian car manufacturers have key fob programming protocols with third-party companies who make the tools that auto locksmiths use to programme keys for their customers. While some aftermarket key fobs are advertised as compatible with any vehicle however, the majority of locksmiths for automotive do not recommend using them as they're likely to work poorly or not at all. They suggest purchasing fobs that are designed specifically for your vehicle so that they function properly and are less susceptible to issues like interference or incompatibility. This will save you money in the end by avoiding expensive repairs or replacing your fobs. Tools for programming vehicles used by manufacturers The automotive industry has come a long way and modern vehicles require computers to function. A transponder chip is an essential part of this technology. It needs to be programmed by a locksmith mechanic, or dealer to work. Key fobs with embedded security features that will prevent hot-wiring (like in a movie) and the car will not start if you don't have the correct key. Key fobs are somewhat more complicated than a traditional mechanical key. This is why they are usually in the hands of seasoned, professional auto locksmiths. The cost of a key fob will vary depending on the car model and the type of key, but they typically run between $85 and $400. This includes the labor required to program the key fob, as well as the costs for any required replacement parts. Car key fobs are more complicated due to the fact that they use software that interacts with the onboard computer of the car. The software prevents unauthorised access by only permitting keys that have been programmed for a specific vehicle to work. If you decide to replace your keys, you will have to program the new key fob to the car for it to function. This is done by using a programming tool for car keys that is compatible with the brand of your vehicle. This tool permits a locksmith to connect to the OBD port on the vehicle, and then enter the 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 just key programming (like reading and cloning eeprom files in the ECU). Although some people might attempt to program their own keys with these tools, this is something best left to an experienced auto locksmith. It is easy to make mistakes with the software systems if you don't know the intricacies. This could result in damage. It's important to keep in mind that a professional with experience will assist you in avoiding these issues. On-Board programming If your car is old enough it could still be equipped with a key made of metal that can be used to open doors and turn on the ignition. Modern cars come with transponders that must be acknowledged and accepted by the computer system to start. This adds another security measure to prevent thieves from stealing the car and driving away with a stolen car. A locksmith who is certified will have the right tools and software to create a key that is compatible with your car's security system. Your locksmith will need to obtain a blank key compatible with your vehicle's model and make. Once the key is in your possession, your locksmith will link the scanner for programming to the diagnostic port of your car. This will put the vehicle into an exclusive programming mode which will allow the locksmith to add a new key to the system. To do this, the key programmer scanner will communicate with the car's computer to send a specific code. The computer will recognize this code and include it into the list of keys that are authorized. In some cases the scanner may also be able to remove keys that are stolen or lost from the system. You can also program new keys by using the EEPROM. It is more complicated and requires a deep understanding of how electronic systems function. This is why it should be left to a professional who has a lot of expertise working on these types of systems. Onboard programming is the quickest method for locksmiths to program the new key. It can take as little as one minute if everything is executed correctly. If the key is not in good working order or the procedure isn't being followed exactly, the process can take as long as a half hour. There are a variety of key programmer scanners which can work with different makes and models of vehicles. Both the Smart Pro and Autel IM608 Pro have become extremely popular with locksmiths due their wide range of models for vehicles. There is no system that can program every vehicle. They are also expensive. It is best to buy one that will receive regular updates from the manufacturer when new technologies are developed. If not, your computer will soon become obsolete.