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How to Program Keys For Cars Automotive specialists or locksmiths are usually the ones who re-program keys for cars. They can take your existing key and then use a special tool to program a brand new one for your vehicle. The procedure involves reprogramming your chip in your replacement key to match the current settings of your vehicle. Some manufacturers make it easy, while other require an expert locksmith or dealer. Self-programming As car technology has evolved over the years, the ignition keys have developed as well. Gone are the days of simple mechanical-only keys that could be manufactured at the hardware store for less than $10. Newer models are equipped with computers that offer improved security against theft. The cars require a transponder chip-integrated key to be programmed by a professional locksmith car dealer or mechanic for proper operation. There are many kinds of car key programming that can be done by professional locksmiths. Some are complex and require advanced tools. These tools are not accessible to the general public and are only used by professionals. This kind of car key programming is referred to as EEPROM Programming and requires soldering, electronic skills, and a lot of time. Other types of key programming can be done by anyone. reprogram car key are typically accomplished by using the onboard diagnostics port, which is accessible with an instrument for programming keys. This procedure can be carried out by a trained locksmith using an online guide or an owner manual. The majority of locksmiths who are professionals can program a brand new or replacement car key fob swiftly and precisely. This is the best option for a vehicle owner since they can offer a wide range of services. They can provide a competitive rate and the assurance that the replacement key is guaranteed to function. Remember that most automobiles only accept one programmed car key. If you want to save money, it's a great idea to get a spare key fob that works and have it programmed. You can be assured that the new key works and is programmed for your car. You will have to pay the dealer for programming and replacement keys if you don't. Key Programmers Modern cars require a key-programming method to initialize their vehicle's systems and then start the vehicle. In many cases the key needs to be configured by the dealer or an auto locksmith. The key may not work properly or it may not even start the car in any way. This is because the key has not yet been programmed into the vehicle's system. This could be costly. This is why it's a good idea to always have two keys that work for a modern car and have the replacement key programmed if necessary. A keyprogrammer can recode the transponder chip on the new mechanical key or key fob. It is also able to copy data from an existing key to make duplicates. These are handheld devices that connect to the car's On Board Diagnostics (OBD port). They have diagnostic software that allows them to communicate with the computer as well as a bidirectional interface for working with the immobilizer system. There are many different types of keyprogrammers available that are available and they are available in all shapes and sizes. Some are affordable, while others are very sophisticated and could cost thousands of dollars. Some are made for specific automobiles and provide advanced diagnostics of the vehicle's electronic system. If you want to program an entirely new key for your vehicle, consult the owner's manual for instructions on the procedure. Some manufacturers use proprietary software that allows only dealers to make new keys. Other manufacturers make it easy for anyone to do. If you're unable to program the new key yourself, then you can ask your dealer to do it, but it will cost you a lot. You can also purchase a keyprogrammer from the internet. These are less expensive than going to the dealership, but they're still not cheap. Before buying one do some research on the seller. Some aren't reliable and could damage your vehicle. Transponder Chips If your car was manufactured in the last 20 years, then it has a transponder chip inside of it. It's the tiny piece of plastic in the head of your car key that contains an RFID (Radio Frequency ID) chip that has a unique code to your car. The chip emits an low-level radio signal once it is activated by an electromagnetic field. This signal is then received by a specific antenna attached to the ignition barrel. The computer system in the vehicle can then verify that the transponder chip of the key is the correct one for your car. This is what prevents hot-wiring or tampering with the ignition system of your vehicle to start it. The chip inside the key ensures that the owner is the person who is the owner of the vehicle. This will help reduce car theft. Transponder keys look like regular keys made of metal but they have caps made of plastic. The chip is located inside the plastic portion of the keys. There are various cuts: a standard cut, Laser cut (also known as a sidewinder or Ford Tibbe) and Ford Tibbe. When the transponder key is inserted into the ignition barrel, a circuit within of the induction coil sends out the signal. The signal will then get taken up by the chip, causing it to transmit a signal back to the car. If the computer inside the car is able to recognize the signal as being correct it will turn off the car immobilizer to allow the engine start. If the car isn't able to recognize the transponder as being the proper signal, it will not start the engine and alert you with flashing lights and a siren. This system is designed to deter individuals from tampering with the vehicle. However it's not an absolute security measure. A skilled and determined thief may still be able to bypass this system by using a special device to intercept the signal. You can see that the transponder is a good option. This is something that all car owners should think about if they want to protect their investment and minimize the chance of theft. Key Fobs In addition to locking and unlocking doors, launching the car remotely, or making sound chirps to help locate a car in a parking space keys of today can also turn on a heated steering wheel, or roll down all windows with a single click. A lot of these features may seem convenient however they could make it harder for you to keep the keys to your car. Key fobs utilize radio frequencies to communicate with one another and with the car. These frequencies are transmitted through a small antenna located inside the middle of the key. This communication is encrypted to stop others 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 it yourself. However, most newer models require you to visit an expert locksmith or dealer to program a replacement key fob or additional one. When you press the button on your key fob it transmits an informational code to the car's radio that it is paired with. The receiver compares this information with the 'allowed' signals inside the fob, and either opens or closes the door. If the information does not match, the car will not be allowed to run. Once the car is paired with a specific fob, it only accepts signals from the device. In turn, other fobs will not work with the vehicle even though they have the same appearance. This is to safeguard the integrity of the car's computer system and to prevent unauthorized key fobs from gaining control over the vehicle. Most newer car dealers will only work on a car with original fobs or genuine replacements sold by the manufacturer. This is because the process of creating a replacement fob requires technological and security expertise that can only be found in the dealer service department. Some aftermarket fobs, usually ones for older models with less advanced systems can be programmed with out the need for a dealership.