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automotive key programming -day cars require some form of key programming. Depending on the vehicle's make and model, the procedure can be as simple as onboard programming with an extra working key or as complicated as OBD2 or EEPROM programming. The majority of US and Asian automakers share their programming protocol with auto tool manufacturers, so they can create tools or hardware for locksmiths in the automotive industry. Transponder Chips Most newer cars use what are called transponder chips in order to prevent theft. These are tiny computer microchips that emit low-level radio waves. They have an unique serial number that authenticates your key whenever you connect it to the ignition barrel. If your vehicle does not recognize the signal, the engine will be shut down. This technology has proven to be an enormous success in preventing auto theft. It also saves many car owners a lot of money since they don't have to buy new their cars. The principle of the transponder system is to make it impossible for thieves to start your car without the right key. In the past, thieves used a flat screwdriver to force the ignition switch of your vehicle to go into “on” mode or even hot-wire it to bypass the system. These kinds of thefts have been dramatically decreased with the introduction of the transponder chip. When you insert a transponder key into the ignition, it will send a signal that is detected by a hidden antenna circling the barrel of the ignition. This antenna is programmed so that it can read the specific frequency of the chip within the key. The onboard computer in the car will then recognise the key as valid and will allow fuel flow, power the starter or start the engine. Some vehicles only recognize a specific type of transponder chip, depending on the manufacturer. This is why it's important to ensure that your locksmith for automotive has the appropriate equipment to program your vehicle's keys and fobs correctly. A good automotive locksmith will utilize a multi-vehicle programmable device that can be used on a variety of different models and brands of cars. This is a much cheaper option than buying individual tools for each brand of vehicle. There are also specialised key programming tools for automobiles that are only suitable for specific models of vehicles however, they are less popular. The top automotive locksmiths have the tools needed to work on any vehicle. Make sure you choose a reliable company that is equipped with this kind of equipment. Key FOBs As the name suggests, key FOBs are home to the transponder chips programmable that enable your vehicle to recognize and open the doors, or 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. Certain fobs come with additional functions that can be controlled with the push of a button, such as the “smart” key fob that allows you to bring your car to parking spots that are tight, like you would with the Genesis GV60, Tesla or Genesis GV60. While some replacement key fobs can be programmed with the aid of a user's guide however, you'll typically require an automotive locksmith to get a new one programmed in case yours stops working. A professional is better equipped to connect your computer to the car via the OBD port located under the steering wheel. Most key fobs today include security features that make it difficult for hackers to duplicate or copy the signals they transmit. Certain key fobs feature pseudo-random code generators, which generate a new unlock code each time you press the button. This prevents attackers from capturing and replaying the unlock signal to gain access to your vehicle. In most cases you can purchase an additional key fob at the dealer or other retailer and then have it programmed by a locksmith for your vehicle to be compatible with your particular vehicle. This is due to the fact that most of the major US and Asian car manufacturers have key fob programming protocols with third-party companies who produce the tools locksmiths for auto utilize to program keys for their customers. Although some key fobs from the aftermarket are advertised as compatible with any vehicle however, the majority of locksmiths for automotive don't recommend using them as they will likely only work poorly or not at all. Instead, they suggest buying fobs that are specifically made for your vehicle so that you can be certain they'll function properly and be less prone to issues like interfering or incompatibility. This will save you money in the long run by avoiding costly repairs or replacements for your fobs. Tool for Programming Vehicle Manufacturers' Automotive technologies have advanced considerably and modern vehicles require computer technology to function. Transponder chips are an essential part of this technology. It needs to be programmed by a locksmith, mechanic or dealer to work. Key fobs come with security features to prevent hot-wiring, like in a film. The car will not start without the correct keys. Key fobs are slightly more complicated than a standard mechanical key. This is why they're usually placed in the hands of experienced, professional auto locksmiths. The cost of a key fob may 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. The car key fobs are more intricate due to the fact that they use software that interacts with the computer onboard of the car. The software blocks unauthorized access by only permitting the key to function only if it's programmed for the specific car. If you decide to replace your keys, you'll have to program the new key fob to the car to allow it to function. This is accomplished by using a programing tool for keys for cars that are compatible with the brand of your vehicle. This tool allows the locksmith to connect to the onboard diagnostics port (OBD) in the vehicle and then enter a programming mode. The key programming device can be a handheld device that is inexpensive or one that is sophisticated and capable of doing more than just program keys (like reading the eeprom file inside the ECU). Although some people might attempt to program their own keys using these tools, this is something best left to an experienced auto locksmith. If you're not familiar with the ins and outs of the various software systems, it's very easy to accidentally change settings that could damage the vehicle. It's important to remember that a knowledgeable professional can help you avoid these issues. On-Board Programming If your car is older than, it may still come with a key made of steel that can be used to open doors and turn off the ignition. Modern cars have a transponder that must be recognized and accepted by the computer system before it can start. This adds another layer of security to keep thieves from stealing the car and driving away with a stolen car. A certified locksmith has the tools and software to program a new key that is compatible with the security system in your car. The locksmith will need to get a blank key that is compatible with the model and make of your vehicle. Once the key is in hand the locksmith will connect the programming scanner to your car's diagnostic port. This will place the car into a special programing mode, which allows locksmiths to connect a key to the system. The key programmer scanner communicates with the computer of the vehicle to send an electronic code. The computer will detect this code and add it into the list of keys that are approved. In certain instances, the scanner will also be able to delete keys that are stolen or lost from the system. The EEPROM programming method is a different one that can be used to program new car keys. It is more complex and requires a thorough understanding of electronic systems. This is why it's best left to a professional who has years of experience working on these types of systems. Onboard programming is the fastest method for locksmiths to program a new key. It can take as little as a minute when everything is completed correctly. If the key isn't 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 on the market that work with various vehicle models and brands. Both the Smart Pro and Autel IM608 Pro have become very popular among locksmiths due to their wide selection of vehicle models. However, neither can program every vehicle in existence. These machines are also quite expensive. It's a good idea to purchase a programer that receives regular updates as the manufacturer develops new technologies. Your computer's programming software will soon become obsolete if you don't do this.