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How to Program Keys For Cars Automotive specialists or locksmiths are typically the ones who reprogram keys to cars. They can take your existing key and use a specific tool to program a new key for your car. The process involves reprogramming the chip in your replacement key to match the current settings of your vehicle. Certain manufacturers make this process simple however others require a locksmith or dealer. Self-Programming The ignition keys have evolved as has the technology of cars. Gone are the days of simple mechanical keys that could be made at the hardware store for less than $10. The newer models have computers with improved anti-theft protection. These 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 performed by professional locksmiths. Certain types are more complex and require sophisticated tools. These tools are not available 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 skills and a lot of time. Other types of car key programming are much easier and can be accomplished by anyone who is able to. These are usually done by using the onboard diagnostics port, which can be accessed with an instrument for programming keys. Locksmiths can execute this procedure with the help of a guide online and the owner's manual. Most professional locksmiths can program a brand new or replacement car key fob quickly and precisely. This is the best option for a vehicle owner since they can provide a complete range of services. They can provide a reasonable cost and security of knowing that the replacement key is going to work. Be aware that most vehicles can only accept a single programmed car key. If you want to save money, it's a great idea to buy a spare key fob that is functional and then have it programmed. This way, you can be certain that the new key has been programmed to your car and that it works. If not, you'll have to pay the dealership for replacement keys and programming services. Key Programmers Modern vehicles frequently require a key programming process to set up the car's system and allow the car to begin. In many cases, the key must be set up by the auto locksmith or dealer. This is because the key could not work properly or start the car in any way. This is because the key has not yet been programmed into the car's system. This can be costly. This is why it's a good idea to have two keys working for modern vehicles and to have the replacement key programmed if required. A keyprogrammer can reprogram the transponder chip of a new mechanical key or key fob. It is also able to copy the information from an existing key, allowing duplicates to be created. These devices are handheld units that connect to the car's On-Board Diagnostics (OBD) port. They come with diagnostic software that allows them to communicate with a computer. They also have a bidirectional user interface that works with an immobilizer system. There are many different types of keyprogrammers available on the market. They come in all shapes, sizes and colors. Some are inexpensive and others are advanced and can cost thousands of dollars. Certain models are specifically designed for certain kinds of vehicles, and they can even provide advanced diagnostics for the car's electronic systems. Consult your owner's guide to learn how to program the key to your vehicle. Certain manufacturers have proprietary software that only allows the dealership to make new keys. Other manufacturers make it easy for anyone to do. If you are unable to program a new key yourself You can request the dealer to program it for you, however this will be very expensive. Another option is to buy an online keyprogrammer. They're less expensive than going to a dealership however, they aren't inexpensive. Before purchasing one make sure you research the seller. Some aren't reliable and could damage your vehicle. Transponder Chips Transponder chips are likely be found in vehicles manufactured within the past 20 years. This is a little plastic thing in the head of your key which contains a RFID (Radio Frequency Identification) chip with an individual code for the specific vehicle you own. The chip sends out a low-level radio signal when it is activated by an electromagnetic field. The signal is received by a specific antenna that is attached to the barrel of ignition. The computer system in the vehicle can then verify that the chip in the key's transponder is the right one for your car. This stops the vehicle from being started through either hot-wiring or by altering the key. The chip in the car key confirms that the owner is the person who owns the vehicle. This will help reduce car theft. Transponder keys appear like regular metal keys but they have 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 regular 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 the ignition barrel. The signal will be taken up by the chip, causing it to transmit a signal back to the car. If the computer in the car recognizes the signal as correct it will turn off the car immobilizer to allow the engine start. If the vehicle doesn't recognize the transponder signal as the right one, it will keep the engine from starting 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 isn't a foolproof measure of security. A determined and skilled thief can still get around this system by using a specific device that intercepts the signal. As you can see there are quite a number of benefits to having a transponder key. This is something that all vehicle owners should consider if they want to safeguard 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 a car in a parking space, today's key fobs can also turn on a heated steering wheel, or open all windows with a single button click. Many of these extra features may seem convenient, but they can also make it more difficult to keep the keys to your car. Key fobs communicate with one other and with the car through radio frequencies which are transmitted through an antenna that is located in the middle of the key. programming car key is encrypted to block other key fobs from stealing or modifying the signal. Keyfobs can be programmed in a variety of ways depending on the make and model of your car. You may be able to do it yourself, however most modern vehicles require a dealer or professional locksmith to program a replacement or additional fob. When you press the button on a key fob the microchip transmits an indication to the receiver in the car with which it is paired. The receiver compared the information with the 'allowed signals' stored in the key fob and then locks or opens the car's doors. If the data doesn't match, a chirping sound is heard and the car isn't permitted to function. Once the car has been connected to a specific fob, it will only accept signals from that device. As a result, other fobs will not work with the vehicle even though they appear similar. This ensures the security of the computer system that runs the car and blocks the use of unauthorized key fobs to gain control over it. The majority of newer dealerships will only deal with cars with original fobs or genuine replacements offered by the manufacturer. This is because the process of creating the replacement fob is a process that requires technological and security knowledge that is only available in the dealer's service department. However, some aftermarket fobs that are typically designed for older models with less sophisticated systems can be programmed by customers without the need of an authorized dealer.