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How to Program Keys For Cars Typically, car key reprogramming is the job of a locksmith or an automotive specialist. They will use a special software to program your new key using your old one. This involves the reprogramming of a blank chip on your replacement key so that it is compatible with the current settings on your vehicle. Some manufacturers make it easy, while other require the assistance of a locksmith or dealer. Self-programming As the technology of cars has advanced over time, the ignition keys have also evolved as well. The days of simple mechanical keys that could be made at a hardware store for under $10. Newer models are equipped with computers that are enhanced anti-theft protection. The 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 perform various types of programming for car keys. Certain are complicated and require sophisticated tools. These tools are usually not accessible to the general public and are used only by professionals. This kind of programming for car keys is referred to as EEPROM Programming and requires soldering, electronic knowledge and a lot of time. Other kinds of key programming can be done by anyone. They are accomplished with the onboard diagnostic port, which can be accessed with a special tool for key fob programming. This method can be done by a locksmith who is trained with the help of an online guide or an owner manual. The majority of locksmiths who are professionals can program a brand new or replacement car key fob fast and precisely. This is the best choice for car owners since they are able to provide a full range of services. They can provide a reasonable rate and the assurance that the replacement key will continue to work. Be aware that most vehicles only accept one programmed car key. Therefore, if you want to save money, it may be a better idea to purchase a functioning 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 will function. If not, you'll have to pay the dealership for replacement keys and programming services. Key Programmers Modern vehicles often require a key programming process to start the system of the vehicle and allow the vehicle to begin. In many cases keys must be configured by the dealer or an auto locksmith. The key may not function properly or it may not even start the vehicle at all. This is because the key has not yet been programmed into the vehicle's system. This can be expensive. It is recommended to have two keys that work for the modern automobile so that you can program the replacement key if needed. A keyprogrammer is a device which can reprogram the transponder chip into an entirely new key fob or mechanical key. It is also able to copy data from an existing key in order to create duplicates. These are handheld devices that connect to the 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 user interface for working with an immobilizer system. There are many different types of keyprogrammers available on the market, and they come in all sizes and shapes. Some are inexpensive, while others may cost thousands of dollars. Some are designed for specific types of vehicles and provide advanced diagnostics for the vehicle's electronic systems. If you want to program a new key to your vehicle, consult the owner's manual to learn the procedure. Some manufacturers use proprietary software that only allows the dealership to create new keys. Other manufacturers make it simple for anyone to do. If you're unable to program a new key on your own, you can request the dealer to program it for you, but this can be expensive. You can also buy an online keyprogrammer. They are less expensive than going to a dealership, but still not inexpensive. Before purchasing one do some research on the seller. Some are not reliable and could cause damage to your vehicle. Transponder Chips Transponder chips are likely to be found in vehicles manufactured within the last 20 years. This is the little plastic piece inside the head of your car key that contains an RFID (Radio Frequency ID) chip that has a unique code to your vehicle. When it is activated by an electromagnetic field the chip emits a low level signal. The signal is received by a specific antenna that is attached to the ignition barrel. The computer system of the vehicle can then verify that the chip in the key's transponder is the right one for your vehicle. This prevents the vehicle from being started by either hot-wiring or by altering the key. The chip inside the car key ensures that the owner is the one who owns the vehicle. This will help reduce the possibility of theft from your vehicle. programmed car keys appear like regular keys made of metal, but with caps made of plastic. The chip itself is housed in the plastic portion of the key, and there are a few different kinds of cuts available on these keys: a standard cut laser cut (also known as a sidewinder key), or a Ford Tibbe key. When the transponder key is placed in the ignition barrel, a circuit inside of the induction coil will send out the signal. The signal will then get absorbed by the chip, causing it to send 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 vehicle immobilizer, allowing the engine to start. If the vehicle doesn't recognize the transponder signal as the right one, it will stop the engine from running and will notify you by flashing its lights and sounding an alarm. This is designed to deter people from trying to tamper with the vehicle, but it isn't a foolproof security measure. A skilled and committed thief might be able get around this system using a special device to take over the signal. As you can see there are quite number of advantages to having a transponder key. This is something that all car owners should think about if they want to protect their investment and decrease the risk of theft. Key Fobs In addition to locking and unlocking doors, starting the car remotely, or making noises to aid in finding the car in a parking lot Key fobs today can also turn on a heated steering wheel, or roll down all of the windows with just a single press. These additional features can make it difficult to find your car keys. Key fobs utilize radio frequencies to communicate with each other and the car. The frequencies are transmitted through a small antenna located in the middle of the key. The signal is encrypted to prevent others from stealing or stealing the signal. Keyfobs can be programmed in various ways based on the model and brand of your car. Certain cars let you do it 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 press the button on a key fob the microchip sends signals to the receiver inside the car with which it is paired. The receiver then compares this information to the 'allowed' signals stored in the fob and then 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 paired with a specific fob, it will only accept signals from the device. As a result, other fobs will not work with the vehicle even if they look the same. This safeguards the integrity of the computer system that runs the vehicle and stops the use of unauthorized key fobs to gain 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 the process of creating an appropriate replacement fob requires technical and security skills that can only be found in the dealer service department. Certain aftermarket fobs, typically those for older models with less advanced systems, can be programmed without the need for a dealership.