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Automotive Locksmith Key Programming Most modern-day cars require some type of key programming. Depending on the car's maker and model, the process can be as easy as onboard programming with a spare key that works or as complex as EEPROM or OBD2 programming. Most US and Asian auto manufacturers use the same programming protocols as auto tool makers, which means they can create software or hardware for automotive locksmiths. Transponder Chips Transponder chips are used in a lot of modern cars to prevent car theft. These are small computer microchips which emit radio signals 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 programming a car key does not recognize the signal it will shut down. This technology has proven to be an enormous success in preventing theft of cars. This technology has also helped car owners save a good amount of money by not having to purchase new cars. The fundamental idea behind the transponder system is to make it impossible for thieves to start your car without the proper key. In the past, thieves would use the flat screwdriver to push the ignition switch of your car into the “on” mode, or hot-wire it to bypass the system. These types of thefts have drastically decreased with the introduction of the transponder chip. When you insert a transponder keys into the ignition, it will send the signal which is detected by a hidden antenna that is positioned around the barrel of the ignition. This antenna is programmed to read the specific frequency of the chip within the key. The car's onboard computer will then recognise that the key is genuine and allow the fuel to flow, then power up the starter or begin it. Depending on the manufacturer, some vehicles will only recognise a specific type of transponder chip. Therefore, it is 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 can work on many different car manufacturers and models. This is a much cheaper option than buying specific tools for each model of vehicle. These are less common but there are automotive key programmers that can only work on a particular type of vehicle. The best automotive locksmiths have the tools to work on any vehicle. Make sure you choose a reputable firm that has this kind of equipment. Key FOBs As the name implies, key FOBs contain programmable transponder chips that allow your vehicle to recognize and open the doors, or start the engine using push-button ignition. They also have buttons you can push to activate features such as door locks, trunk release or fuel flap control. Some fobs have additional functions that can be controlled by the push of a button, such as a “smart” key fob that lets you get your car into tight parking spots as you would with a Tesla or Genesis GV60. While some replacement keys can be programmed with the assistance of a user's manual but you'll usually require an auto locksmith to have a new one programmed in case yours stops functioning. A professional locksmith is better equipped to connect your computer to the car via the OBD port under the steering wheel. Most key fobs today include security features that make it difficult for attackers to clone or replicate the signals they transmit. They include pseudo-random generators that generate a new unlock code every 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 most cases you can buy an additional key fob at the dealer or from another retailer and have it programmable by your automotive locksmith to work with your particular vehicle. This is because the majority of major US and Asian automakers share their key-fob programming protocols with the third-party companies who create the tools used by locksmiths who program their customer's keys. Although some key fobs from the aftermarket are marketed as being compatible with all vehicles, most automotive locksmiths do not recommend using them as they're likely to work poorly or not at all. Instead, they suggest buying fobs specifically designed for your vehicle so that you can be certain they'll function properly and be less susceptible to issues like interfering or incompatibility. This will save money in the long run by avoiding costly repairs or replacements of your fobs. Tools for programming vehicles used by manufacturers The automotive industry has progressed a lot and today's vehicles need computer technology in order to function. One of the most important components of this technology is a transponder chip which must be programmed into the vehicle by a locksmith or dealer/mechanic in order to work. 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 correct key. Key fobs can be slightly more complicated than a conventional mechanical key. This is why they're usually in the hands of seasoned professional auto locksmiths. The cost of a key fob can vary based on the vehicle model and the key type however, they generally cost between $85 and $400. This includes the cost of labor to program the keyfob, as well as any replacement parts. These car key fobs are more complex due to the fact that they use a software system that works with the onboard computer of the car. The software prevents unauthorized access by only allowing the key to operate only if it's programmed to the car in question. This means that if you need your keys replaced, you'll need to have the new key fob programmed to the car in order for it to function. The most common method to do this is by using a car key programming tool that is compatible with the brand of the vehicle. This tool lets the locksmith connect to the OBD port (OBD) in the vehicle and then enter the programming mode. Key programming devices can be a handheld device that is inexpensive or one that is fancy and can do more than just program keys (like reading the eeprom file inside the ECU). Although some people might attempt to program their own keys with these tools, this is an activity best left to a professional auto locksmith. If you're not familiar with the ins and outs of the various software systems, it's possible to make a mistake and alter settings that could damage the vehicle. The most important thing to remember is that a professional with experience can help you avoid these issues. On-Board programming If your car isn't as old that it has a key, it might still come with a key made of metal that can be used to open doors and turn on the ignition. However, modern cars are equipped with transponder chips that must be recognized by the computer system to allow it to start. This is an additional layer of security to keep thieves from starting and then driving off with a stolen car. A locksmith who is certified will have the necessary tools and software to create a key that will work with your car's security system. First, your locksmith will require a blank key that is compatible with the make and model of your car. 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 into a special programing mode, which allows locksmiths to connect keys to the system. The key scanner is programmed to communicate with the computer of the vehicle to transmit the code. The computer will detect this code and add it to the list of keys that are approved. In some cases the scanner may also be able to erase lost or stolen keys from the system. You can also program new keys with the EEPROM. It is more complex and requires a deep understanding of electronic systems. It is best to delegate it to a professional who has expertise with these systems. Locksmiths can program keys quickly by using onboard programming. It can take as little as a minute when everything is done correctly. If the key isn't in the right condition or the procedure isn't followed exactly, the process could take up to half an hour. There are many key programmer scanners available that work with various vehicle models and makes. Both the Smart Pro and Autel IM608 Pro are very popular with locksmiths due their wide range of models for vehicles. No system can program every vehicle. These machines are also quite expensive. It's a good idea to buy a programmer that is updated regularly when the manufacturer introduces new technologies. In the event that your machine is not updated, it will be obsolete in a short time.