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How to Program Keys For Cars Locksmiths or automotive specialists are usually the ones who reprogram keys for cars. They could take your old key and use a specific tool to program a new one for your vehicle. The procedure involves reprogramming your chip in your replacement key to fit the current settings of your vehicle. Some manufacturers make it simple, while other require a locksmith or dealer. Self Programming As the technology of cars has advanced over time, the ignition keys have developed as well. The days of simple mechanical-only keys that were made at a hardware store for under $10. Newer models are equipped with computers that offer improved anti-theft protection. In order to work correctly, these vehicles require that a transponder chip key be programmed into the vehicle by a certified locksmith or a car dealer/mechanic. There are a few different kinds of car key programming that can be accomplished by locksmiths who are professionals. Certain are complicated and require specialized tools. These tools are usually not accessible to the general public and are used only by professionals. This type of programming for car keys is known as EEPROM Programming and requires soldering, electronic knowledge and a significant amount of time. Other types of key programming can be carried out by anyone. They are accomplished with the onboard diagnostic port, which can be accessed by a specific tool for key-fob programming. This procedure can be carried out by a professional locksmith with the help of an online guide or an owner manual. Professional locksmiths are able to program a new or replacement car key fob quickly. This is the best choice for car owners since they are able to provide a full range of services. They can also offer an affordable cost and assurance that the replacement key will function properly. Be aware that most vehicles only accept one programmed car key. If you want to save some money, it's a great idea to purchase a spare key fob that works and then program it. You can be assured that the new key will work and is programmable for your vehicle. You will have to pay the dealer for programming and replacement keys if you do not. Key Programmers Modern cars require a key-programming method to set up their systems and start the car. In some instances, the key must be programmed by the dealer or an auto locksmith. The key might not function correctly or will not start the vehicle in any way. The reason is because the new key hasn't been programmed to the car's system – and this can be quite expensive. It's best to have two keys that work for your modern car so you can program the replacement key whenever needed. A keyprogrammer can recode the transponder chip on a new mechanical key or key fob. It can also clone the data of an existing key in order to create duplicates. These are handheld devices connected to a car's On Board Diagnostics (OBD port). They come with diagnostic software, which allows them to communicate with computers. They also have a bidirectional interface to work with an immobilizer system. There are many various kinds of keyprogrammers that are available and they come in a variety of sizes and shapes. Some are inexpensive while others may cost thousands of dollars. Certain are designed for specific vehicles and can provide advanced diagnostics of the vehicle's electronic system. Check out the owner's manual to learn how to program a key for your vehicle. Some manufacturers use proprietary software that allows only the dealership to make new keys. Other manufacturers make it easy for anyone to complete. If you are unable to program a new key by yourself, you can request the dealer to do it for you, but this can be expensive. You can also purchase an online keyprogrammer. They are cheaper than visiting a dealership however, they aren't cheap. Make sure you investigate the seller prior to purchasing one – some are not reliable and can damage your vehicle. Transponder Chips Transponder chips are likely be found in cars manufactured within the last 20 years. This is a little piece of plastic inside the head of your key that contains an RFID (Radio Frequency Identification) chip with a unique code for the specific vehicle you own. The chip sends out an low-level radio signal once it is activated by an electromagnetic field. This signal is then taken up by an antenna attached to the barrel of ignition. This allows the vehicle's computer system to confirm that the transponder chip in the key is the right one for your particular car. This stops the vehicle from being started by either hot-wiring or by manipulating. The chip inside the key confirms that the owner is the person who is the owner of the vehicle. This will help reduce car theft. Regular transponder keys are designed like regular keys, but with an outer layer of plastic. The chip is contained in the plastic portion of the key, and there are different cuts that can be found on these keys: a standard cut, a laser cut (also called a sidewinder key), or a Ford Tibbe key. When the transponder key is inserted in the ignition barrel, a circuit inside of the induction coil sends out the signal. The signal is taken up by the chip, which then transmits a signal to the vehicle. If the computer on the car recognizes this signal as the right one, it will turn off the vehicle's immobilizer and allow the engine to start. If automotive key programming near me does not recognize the transponder signal as being the correct one, it will prevent the engine from running and will alert you by flashing its lights and sounding siren. This function is designed to discourage people from tampering with the vehicle. However, it is not a foolproof measure of security. A skilled and determined criminal may still be able to get around this system employing a device designed to take over the signal. You can see that a transponder is a great option. This is something that all vehicle owners should consider if are looking to safeguard their investment and minimize the chance of theft. Key Fobs Key fobs today do more than just lock and unlock doors. They can also turn on the vehicle from a distance, make chirping sounds to aid in finding cars or turn on the heated steering wheel. Many of these extra features may seem convenient, but they can also make it harder for you to keep track of your car keys. Key fobs communicate with each with the car via radio frequencies that are transmitted through an antenna that is located in the middle of the key. The transmission is encrypted, which helps to stop others from stealing and re-transmitting the signal. There are many ways to program a key fob based on the model and make. Certain models allow you to do this yourself. However, the majority of modern models require you to visit a professional locksmith or dealer in order for them program a replacement key fob or additional one. When you hit the button on a key fob the microchip inside sends an informational code to the car's receiver it is linked to. The receiver compares this information to the 'allowed' signals stored inside the fob, and either locks or opens the door. If the information isn't in line an chirping sound is heard and the car isn't permitted to function. Once the car is connected to a specific fob, it will only accept signals from that device. This means that other fobs will not work with the vehicle even though they have the same appearance. This safeguards the integrity of the computer system in the car and blocks unauthorized key fobs gaining control of it. Most newer car dealers will only work on cars with original fobs or genuine replacements that are supplied by the manufacturer. This is due to the fact that preparing the replacement fob is a process that requires technological and security skills which can only be obtained in the dealer service department. Certain aftermarket fobs, typically those for older models with less sophisticated systems can be programmed with out the need for a dealer.