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How to Program Keys For Cars Locksmiths or automotive specialists are typically the ones who re-program keys to cars. They can make use of a specific software to program your new key with your old one. The procedure involves reprogramming your blank chip inside the replacement key to suit the current settings of your vehicle. Some manufacturers make this easy however others require a locksmith or dealer. Self-Programming As car technology has evolved over the years, the ignition keys have evolved too. Gone are the days of simple mechanical keys that could be made at the hardware store for less than $10. The latest models come with computers that have improved anti-theft security. These cars require a transponder-chip integrated key to be programmed by a professional locksmith mechanic or dealer in order to function properly. Professional locksmiths can carry out various types of programming for keys to cars. Certain are complicated and require sophisticated tools. These tools are not generally accessible to the general public and are used only by professionals. This kind of car key programming is referred to as EEPROM Programming and requires soldering, electronic knowledge and a lot of time. Other types of key programming can be performed by anyone. They can be done by using the onboard diagnosis port, which is accessible with a special tool for key fob programming. This method can be done by a professional locksmith with the help of an online guide or the car's owner manual. Professional locksmiths are able to program a replacement or a brand new car key fob swiftly. This is the best choice for a vehicle owner since they are able to provide a full range of services. They can offer a competitive cost and security of knowing that the replacement key is guaranteed to function. It is important to keep in mind that a majority of vehicles can only accept one programmed key for their system. If you're trying to save money, it could be a better idea to purchase a working spare key fob and have it programmed by an auto locksmith. This way, you can be sure that the new key has been programmed to your car and that it will work. In the event that it doesn't, you'll need 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 many cases, the key must be programmed by the auto locksmith or dealer. The key may not work properly or not start the car in any way. The reason is because the new key hasn't been programmed into the vehicle's system. This can be very costly. This is why it's a good idea to have two keys that work for a modern car and to have the replacement key programmed if needed. A keyprogrammer is a tool that recodes the transponder chip into a new mechanical or key fob key. It is also able to copy the data of an existing key which allows duplicate keys to be made. These are handheld devices that connect to the car's On Board Diagnostics (OBD port). They are equipped with diagnostic software, which allows them to communicate with computers. They also have a bidirectional interface for working with an immobilizer system. There are a number of different kinds of keyprogrammers on the market and they come in a variety of shapes and sizes. Some are affordable and others are advanced and can cost thousands of dollars. automotive key programming are made for specific automobiles and provide advanced diagnostics of the car's electronic system. If you're interested in programming the new key into your vehicle, refer to the owner's manual to learn the procedure. Certain manufacturers have proprietary software that allows only dealers to create new keys. Other manufacturers make it simple for anyone to complete. If you're unable to program a new key yourself You can request the dealer to program it for you, however it will cost a lot. Another option is to buy an online keyprogrammer. These are less expensive than visiting a dealership however they're not cheap. Before buying one do some research on the seller. Some aren't trustworthy and may damage your vehicle. Transponder Chips Transponder chips are likely be found in cars that were manufactured in the last 20 years. It's a tiny plastic piece inside the head of your key that contains an RFID (Radio Frequency Identification) chip with a unique code for your particular vehicle. The chip sends out an low-level radio signal once it is activated by an electromagnetic field. The signal is taken up by an antenna attached to the barrel of ignition. The computer system of the vehicle is then able to verify that the chip in the key's transponder is the right one for your vehicle. This stops the vehicle from being started through hot-wiring or tampering. The chip in the key also confirms that you are the legitimate owner of the vehicle. This will help reduce car theft. Regular transponder keys are designed like regular keys, but with a plastic top. The chip is contained within the plastic portion of the keys. There are several different cuts that are a standard cut, laser cut (also called a sidewinder or Ford Tibbe) and Ford Tibbe. A circuit inside the induction coil will emit a signal when the transponder is placed in the the ignition barrel. The signal will be absorbed by the chip, causing it to send a signal back to the car. If the computer onboard the car detects the signal as correct it will turn off the vehicle immobilizer, allowing the engine to start. If the vehicle does not recognize the transponder signal as being the right one, it will prevent the engine from running and will alert you by flashing its lights and sounding siren. This system is designed to deter those who would attempt to alter the vehicle. However, it is not a foolproof measure of security. A skilled and determined criminal could still be able to get around this system using a special device to take over the signal. You can see that the transponder is an excellent option. This is something that all vehicle owners should consider if they want to safeguard their investment and minimize the chance of theft. Key Fobs Key fobs today offer more than locking and unlock doors. They can also start your car remotely, make chirping noises to aid in finding a car, or turn on the heated steering wheel. These extra features could make it difficult to find your car keys. Key fobs are able to communicate with each other and the car using radio frequencies which are transmitted through a small antenna located in the center of the key. The communication is encrypted, which helps to keep others from stealing and re-transmitting the signal. There are several ways to program a key fob depending on the vehicle's model and make. It is possible to do this yourself, but the majority of newer cars require that you visit a locksmith shop or a professional to program a replacement or a second fob. When you press the button on a key fob, the microchip transmits a signal to the receiver in the car with which it is linked. The receiver compared this information to the signals that are allowed inside the fob, and either opens or closes the door. If the information does not match the signals, the car will not be allowed to run. Once the car is paired with a specific fob, it will only accept signals from the device that is associated with it. Other fobs won't work with the car, even if they appear similar. This protects the integrity of the computer system in the vehicle and stops the use of unauthorized key fobs to gain control of it. The majority of newer dealerships will only work with vehicles that have original fobs, or genuine replacements offered by the manufacturer. This is because the process of creating an appropriate replacement fob requires technical and security knowledge which can only be obtained in the dealer's service department. However, some aftermarket fobs that are typically designed for older models that have less sophisticated systems — can be programmed by consumers without the need of an authorized dealer.