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How to Program Keys For Cars Automotive specialists or locksmiths are usually the ones who re-program car keys. They can take your existing key and use a special tool to program a new one for your vehicle. This involves reprogramming a blank chip in your replacement key to ensure that it matches the current settings on your vehicle. Certain manufacturers make it simple, while other require an expert locksmith or dealer. Self-programming The ignition keys have developed along with the car technology. The days of the simple mechanical keys you could purchase from the hardware shop for less than $10 are long gone. Modern models come with computers that have improved security against theft. These cars require a transponder-chip integrated key to be programmed by a professional locksmith car dealer or mechanic for proper operation. Professional locksmiths can carry out various types of programming for keys to cars. Some are very complex and require sophisticated tools. These tools are usually not available to the general public and are only used by professionals. This type of programming is referred to as EEPROM Programming. It requires expertise in soldering, electronic knowledge and a significant amount of time. Other types of key programming can be carried out by anyone. They are accomplished using the onboard diagnosis port, which can be accessed with a special tool for key-fob programming. Locksmiths can execute this method with the assistance of an online guide and the owner's manual. Professional locksmiths can program a replacement or a brand new car key fob in a short time. This is the best option for car owners since they can provide a complete range of services. They can provide a competitive rate and the assurance that the replacement key is going to function. Be aware that most vehicles can only accept a single programmed car key. If you're looking to save some cash, it's a good idea to purchase a spare key fob that is functional and then have it programmed. You can be assured that the new key will work and is compatible with your vehicle. If not, you'll have to pay the dealership for replacement keys and programming services. Key Programmers Modern cars require a key-programming process to set up their systems and start the car. In some instances the key needs to be programmed by an auto locksmith or a dealer. This is because the key might not work properly or start the car in any way. The reason for this is that the new key has not been programmed to the automobile's system, and this could be very costly. This is why it's a good idea to have two keys that work for modern vehicles and have the replacement key programmed when required. Keyprogrammers can recode the transponder chip on the new mechanical key or key fob. It also can clone information from an existing key in order to create duplicates. These are handheld devices that connect to a car's On Board Diagnostics (OBD port). They come with diagnostic software, which allows them to communicate with a computer. They also have a bidirectional interface to work with an immobilizer system. There are many various kinds of keyprogrammers on the market, and they come in all sizes and shapes. Some keyprogrammers are cheap and others could cost thousands of dollars. Some are made for specific vehicles and can provide advanced diagnostics of the vehicle's electronic system. Consult your owner's guide to learn how to program keys for your vehicle. Certain manufacturers employ proprietary software that allows only the dealership to make new keys. Other manufacturers make it easy for anyone to complete. If you're not able to program a new key yourself You can request the dealer to program it for you, but this will be very expensive. You can also purchase a keyprogrammer on the internet. They're less expensive than visiting a dealership, but they're still expensive. Before purchasing programming car key do some research on the seller. Some aren't trustworthy and may damage your vehicle. Transponder Chips If your car was manufactured within the last 20 years, chances are it contains a transponder chip within of it. It's a tiny plastic thing in the head of your key that contains an RFID (Radio Frequency Identification) chip with a unique code that is specific to your specific vehicle. When activated by an electro-magnetic field the chip emits a low-level signal. This signal is then taken up by the antenna that is positioned around the ignition barrel of your vehicle. This allows the vehicle's computer system to verify that the transponder chip that is in the key is the correct one for the car you have. This prevents the vehicle from starting by hot-wiring or altering the key. The chip inside the key confirms that the owner is the one who is the owner of the vehicle. This can help to reduce car theft. Transponder keys look like regular keys made of metal, but with caps made of plastic. The chip is contained within the plastic part of the key, and there are different cuts that can be found on the keys: a cut laser cut (also known as a sidewinder key) or Ford Tibbe key. A circuit within the induction coil will emit signals when the transponder is inserted into an ignition barrel. The signal will be taken up by the chip and cause it to transmit a signal back to the car. If the onboard car computer recognizes this signal as the right one, it will turn off the immobilizer on the vehicle and allow the engine to start. If the car does not recognize the transponder signal as being the correct one, it will stop the engine from running and will alert you by flashing its lights and sounding an alarm. This system is designed to deter individuals from tampering with the vehicle. However, it is not an unbreakable security measure. A skilled and committed thief could still be able to escape this security system by using a special device to take over the signal. As you can see there are quite a few advantages to getting a transponder key. All car owners should take this into consideration if they wish to protect their investment and reduce the chance of theft. Key Fobs In addition to locking and unlocking doors, launching the car from a distance or making chirping sounds to help find a car in a parking lot, today's key fobs can also switch on a heated steering wheel or roll down all of the windows with just a single click. Many of these extra features might seem useful, but they can also make it more difficult to keep the keys to your car. Key fobs are able to communicate with each with the car via radio frequencies that are transmitted by an antenna that is located in the center of the key. This signal is encrypted to block other key fobs from intercepting or replicating the signal. There are a few different ways to program a key fob based on your vehicle's make and model. Certain models allow you to do this by yourself. However, most newer models require you to visit a professional locksmith or dealer in order for them program a replacement key fob or an additional one. When you hit the button on a key fob, the microchip inside transmits an informational code to the car's receiver that it is paired with. The receiver compared the information with the 'allowed signals' that are stored in the key fob, and then it opens or closes the car door. If the information does not match the signals, the car will not be allowed to drive. Once the car is paired with a specific fob it will only receive signals from the device that is associated with it. This means that other fobs will not work with the vehicle, even though they look the same. This safeguards the integrity of the computer system that runs the vehicle and stops unauthorized key fobs gaining control of it. Most newer car dealers will only work on cars with original fobs or genuine replacements that are sold by the manufacturer. This is because preparing an appropriate replacement fob requires technical and security knowledge that can only be found in the dealer service department. However, some aftermarket fobs typically for older models with less sophisticated systems can be programmed by customers without the need of an authorized dealer.