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Automotive Locksmith Key Programming Modern vehicles require some form of key programming. Depending on your vehicle's model and make the process could be as simple as using an additional key to program the onboard computer, or as complicated as EEPROM or OBD2 programming. Most US and Asian automobile manufacturers use the same programming protocols as auto tool makers in order to create software and hardware for locksmiths working in automotive vehicles. Transponder Chips Most modern cars are equipped with transponder chips to prevent car theft. These are tiny computer microchips that emit radio waves at a low level. They have a unique digital serial number that authenticates the key to your vehicle when it is connected to the ignition barrel. If programming car key doesn't recognize the signal, the engine will be shut down. This technology has proven to be an immense success in stopping auto theft. It has also saved many car owners a significant amount of money as they don't need to replace their cars. The basic idea behind the transponder system is to make it difficult for thieves to start your vehicle without a valid key. In the past, car thieves used a flat screwdriver to force the ignition switch of your car into “on” mode or even hot-wire it in order to get around the system. These types of thefts have drastically reduced with the introduction of the transponder chip. When you insert a transponder keys into the ignition, it will transmit an electrical signal that is picked up by a hidden antenna circling the barrel of the ignition. The antenna is programmed to match the frequency of the chip within the key. The onboard computer of the car will recognize the key as being valid and will allow fuel flow, power the starter or start the engine. Some vehicles only recognize a certain type of transponder chip depending on the manufacturer. This is why it is crucial to make sure that your locksmith in the automotive industry has the right equipment to program your vehicle's keys and fobs properly. A good automotive locksmith will have a multi-vehicle programming device which can be used with different models and brands of cars. This is a much cheaper option than buying individual tools for each brand of vehicle. They are not as common, but there are specialised automotive key programmers that are able to only be used on a specific brand of vehicle. The top automotive locksmiths are equipped to work on any vehicle. Make sure you select an established company that has this type of equipment. Key FOBs Key FOBs are programmable transponder chips that allow your vehicle to unlock doors and start the engine with the push of a button ignition. You can also use the buttons to activate features such as door locks, trunk releases or control of the fuel flap. Some fobs can be controlled by pressing buttons. For instance an “smart key” which allows you to summon your car into tight parking spaces, like a Tesla or Genesis GV60. You can program some spare key fobs by yourself with the help from the user guide, however you'll need to call an automotive locksmith if yours isn't working. This is because a professional has the right 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 to make it harder for attackers clone and replicate the signals they transmit. Some key fobs have pseudo-random code generators which generate a new unlock code each time you press the button. This blocks attackers from recording and replaying the unlock signal to gain access to your vehicle. In certain instances, you can buy an alternative keyfob from a dealership or another retailer. Your locksmith at your auto will then program it to work with your vehicle. This is because most of the major US and Asian automobile manufacturers use key fob programming protocols with third-party companies who make the tools that auto locksmiths employ to program keys for their customers. Certain key fobs from the aftermarket may be advertised as compatible with any vehicle. However, automotive locksmiths strongly discourage using them as they're more likely to perform poorly or not at all. They recommend buying fobs made specifically for your vehicle to ensure they will work properly and are less prone to issues such as interference or incompatibility. This will save you money in the long run by avoiding costly repairs or replacing your fobs. Vehicle Manufacturers' Programming Tool The automobile industry has made significant advancements in the past few decades. Today's cars are computer-driven. One key element of this technology is a transponder chip that must be programmed into the vehicle by a locksmith or dealer/mechanic in order to function. Key fobs with embedded security features that prevent hot-wiring (like in a film) and the car will not start if you don't have the right key. Key fobs can be a little more complex than a conventional mechanical key. This is why they are placed in the hands of experienced, professional auto locksmiths. The cost of a key fob will differ based on the vehicle model and the type of key, but they typically run between $85 and $400. This includes the labor required to program the key fob and the cost of any needed replacement parts. Car key fobs are more complex because they use a software system that works with the computer onboard of the car. The software blocks access to unauthorized users by allowing the key to function only if it's been programmed for the specific car. If you change your keys, you will have to program the new key fob in the car to allow it to work. The most popular method to do this is by using the car key programming tool that is compatible with the brand of the vehicle. This tool allows a locksmith to connect to the OBD port in the vehicle, and then enter the programming mode. The key programming device could be an handheld device that is cheap or fancy and can do more than just program keys (like reading the eeprom files in the ECU). Some people might attempt to program their keys by themselves using these tools. However this should be left to an expert auto locksmith. It's easy to make mistakes with the software systems if you don't know the nuances. This can lead to damage. The most important thing to keep in mind is that a professional with experience can help you avoid these issues. On-Board Programming If your car is old enough to be considered old-fashioned, you'll have a traditional metal key to open the doors and turn on the ignition. Modern cars come with transponder chips that need to be recognized by the computer system to allow it to start. This adds another layer of security that prevents thieves from stealing the car and then driving off with a stolen car. A certified locksmith has the tools and software to create a key that works with the security system in your car. The locksmith needs to purchase a blank key that is compatible with the make and model of your vehicle. Once your locksmith has the key, he'll connect the programming scanner to the diagnostic port of your vehicle. This will put the vehicle into the mode of programming which will allow the locksmith to add a new key to the system. To accomplish this, the key programmer scanner will communicate with the car's computer system to transmit a specific code. The computer will recognize the code and add it to the list of keys that are approved. In some instances the scanner will be able to erase lost or stolen keys from the system. Programming EEPROM is another method that can be used to program new car keys. It is more complex and requires a thorough understanding of electronic systems. It's best to leave it to a professional with knowledge of these systems. Locksmiths can program keys quickly using onboard programming. If everything is done correctly it could take just one minute. If the key isn't in good working order or the procedure isn't followed exactly, the process could be as long as half an hour. There are a variety of key programmer scanners available that work with various vehicle models and makes. The Smart Pro and the Autel IM608 Pro are both very well-liked by locksmiths due to the fact that they support a broad range of automobile models. However, neither will be able to program every vehicle in existence. In addition, these machines are quite expensive. It's best to purchase an instrument that receives regular updates from the manufacturer whenever new technologies are introduced. Your computer's programming software will soon become outdated if you don't do this.