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Automotive Locksmith Key Programming Modern automobiles require some kind of key programming. Depending on your vehicle's model and manufacturer the procedure could be as simple as using an extra key to programme the computer onboard, or as complicated as EEPROM or OBD2 programming. The majority of US and Asian car manufacturers share their programming protocols with auto tool makers so that they can develop software and hardware for automotive locksmiths to use. Transponder Chips Transponder chips are used in a lot of modern cars to guard against theft of vehicles. These are tiny computer microchips which emit radio signals of low-level. 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 doesn't recognise the signal it will stop the engine. This technology has been an enormous success in preventing auto theft. It has also saved many car owners a significant amount of money since they don't have to replace their vehicles. The transponder system's basic idea is to make it hard for thieves to open the doors of your car without the right key. In the past, thieves would simply force your ignition switch to the “on” position with an ordinary screwdriver or use hot wires to disable the system entirely. Transponder chips have drastically decreased the likelihood of theft. When you insert the transponder key into the ignition the signal is picked up by an antenna that is hidden within the barrel. The antenna is programmed to match the frequency of the chip within the key. The onboard computer of the car will then recognise the key as being valid and allow fuel flow, power the starter or start the engine. Depending on the manufacturer, certain vehicles can only accept a specific type of transponder chip. This is why it's crucial to make sure that your locksmith for automotive has the appropriate equipment to program your vehicle's keys and fobs properly. A good automotive locksmith will possess a multi-vehicle programing device that can be used with different car models and manufacturers. This is a far more cost-effective approach than purchasing specific tools for each model of vehicle. There are also specific automotive key programmer devices that are only suitable for specific models of vehicles however, they are less frequently used. The best automotive locksmiths will have the right equipment to tackle any type of vehicle, so make sure you choose a reputable firm that has these types of tools. Key FOBs Key FOBs are programmable transponder chip devices that allow your vehicle to unlock doors and start the engine using a push button ignition. There are also buttons that you can push to activate features like trunk release, door locks or fuel flap control. Some fobs can be controlled with the press of buttons. For instance the “smart key” that allows you summon your car into tight parking spaces, such as a Tesla or Genesis GV60. While some replacement keys can be programmed by you with the assistance of a user's manual but you'll usually require an auto locksmith to have a new one programmed if yours stops working. A professional locksmith is more equipped to connect the computer of your car via the OBD port on the steering wheel. Today, most key fobs come with security features that make it difficult for attackers to duplicate or copy the signals they transmit. These include pseudo-random sequence generators that generate an entirely new unlock code every time you press the button on the key fob. This stops attackers from recording and replaying the unlock signal to gain access to your vehicle. In many instances you can purchase an additional key fob at the dealer or other retailer and have it programmable by a locksmith for your vehicle to be compatible with your specific vehicle. This is because the majority of the major US and Asian car makers share their key fob programming protocols with third-party companies that make the tools that locksmiths for auto utilize to programme keys for their customers. Certain aftermarket key fobs can be advertised as compatible with any vehicle. However, professional locksmiths recommend against using them because they're more likely to perform poorly or not work at all. Instead, they recommend purchasing fobs designed specifically for your vehicle, so that you can be certain they'll function correctly and are less susceptible to issues such as interfering or incompatibility. This will save you money over the long term by avoiding expensive repairs or replacing the fobs. Vehicle Manufacturers' Programming Tool Automotive technologies have progressed a lot and today's vehicles need computers to function. A transponder chip is an essential component of this technology. It needs to be programmed by a locksmith, mechanic or dealer to function. Key fobs are fitted with security features to prevent hot-wiring, as in a movie. The car will not start without the correct keys. These key fobs are more complex than your traditional mechanical keys and are the reason they are usually in the hands of a reputable, professional auto locksmith. The cost of a key fob can vary depending on the car model and the key type however they usually cost between $85 to $400. This includes the cost of labor to program the keyfob and any replacement parts. To complicate the process to make the process more complicated, these key fobs for cars utilize a specific software system to connect to the car's onboard computer. The software prevents unauthorized access by only permitting the key to function only if it's programmed for the specific car. This means that if your keys replaced, you'll need to have the new key fob programed to the car in order to function. This is accomplished using a tool for programming car keys that is compatible with the vehicle's brand. This tool allows locksmiths to connect to the OBD port of the vehicle, and then enter the programming mode. Key programming tools can be a simple handheld device or a more expensive one that is capable of performing various things that go beyond key programming (like reading and cloning eeprom files in the ECU). Some people try to program their keys on their own using these tools. However this should be left to a professional auto locksmith. If you're not familiar with the details of the various software systems, it's very easy to accidentally change settings that could potentially damage the vehicle. The most important thing to keep in mind is that an experienced professional can assist you in avoiding these problems. 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 the ignition. Modern vehicles have a transponder that must be recognized and accepted by the computer system before it can start. This adds an extra layer of security that stops car thieves from starting a car stolen and driving off with the car. A locksmith who is certified will have the tools and software necessary to program a key that can function in your car's system. Your locksmith will have to purchase a blank key that is compatible with the vehicle's make and model. Once the key is in hand the locksmith will connect the scanner for programming to the diagnostic port of your car. This will put the vehicle into an exclusive programming mode that allows the locksmith to add a new key into the system. The key scanner is programmed to communicate with the computer of the vehicle to transmit a code. The computer will detect this code and include it to the list of approved key. In certain situations, a scanner can also 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 deep understanding of how electronic systems operate. It is best to leave it to a professional with expertise with these systems. Onboard programming is the most efficient way for a locksmith to program an entirely new key. If everything is done properly it can take as little as one minute. However, if the key isn't placed in the proper state or the procedure isn't adhered to, it could take as long as a half hour. There are automotive key programming that work with various vehicle models and makes. Both the Smart Pro and Autel IM608 Pro have become very popular with locksmiths due to their wide selection of models for vehicles. However, neither can program every single vehicle that exists. In addition, these machines are expensive. It is best to buy one that will receive regular updates from the manufacturer whenever new technologies are developed. Otherwise, your programming machine will soon become obsolete.