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How to Program Keys For Cars Locksmiths or automotive specialists are typically the ones who re-program keys for cars. They could take your old key and use a specific tool to program a new one for your car. This involves changing the chip inside your replacement key so that it matches the current settings of your vehicle. Certain manufacturers make this simple however others require a dealer or locksmith. Self-Programming As the technology of cars has advanced over the years, the ignition keys have also evolved too. The days of simple mechanical keys you could make at the hardware shop for less than $10 have gone. The latest models come with computer systems that are more secure against theft. In order to work correctly, these vehicles require that a transponder chip-integrated key be programmed to the vehicle by a professional locksmith or a car dealer/mechanic. There are a few different types of car key programming that can be done by professional locksmiths. Some are extremely complicated and may require advanced tools. These tools are not generally accessible 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 lot of time. Other types of programming car key s are a lot simpler and can be accomplished by the average person. They are typically done using the diagnostics port on the car, that can be accessed using a special key-fob-programming tool. This procedure can be carried out by a professional locksmith with the help of an online guide or an owner manual. Professional locksmiths are able to program a replacement or new car key fob in a short time. This is the best option for owners of vehicles as they are able to provide a wide range of services. They can provide a reasonable cost and security of knowing that the replacement key will continue to function. Keep in mind that the majority of vehicles only accept one programmed car key. If you're trying to save money, it could be a better idea to buy a spare key fob, and have it programmed by an auto locksmith. You can be sure the new key works and is programmable for your car. If not, you'll have to pay the dealer for replacement keys and programming services. Key Programmers Modern vehicles require a key-programming method to initialize their vehicle's systems and to start the car. In some instances the key will have to be programmed by an auto locksmith or dealer. This is because the key may not function correctly or start the vehicle in any way. The reason is because the new key hasn't been programmed to the car's system. This can be quite expensive. This is why it's a great idea to have two keys that work for modern vehicles and have the replacement key programmed when needed. A keyprogrammer is a tool which can reprogram the transponder chip on the form of a new mechanical or key fob key. It also can clone 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 that allows them to communicate with a computer. They also have a bidirectional user interface to work with an immobilizer system. There are many different types of keyprogrammers available on the market. They are available in a variety of shapes, sizes and colors. Some are cheap while others are advanced and could cost thousands of dollars. Some are made for specific automobiles and offer advanced diagnostics of the vehicle's electronic system. Refer to the owner's manual of your vehicle to learn how to program keys for your vehicle. Some manufacturers use proprietary technology that guarantees that the dealership is the sole entity that can make new keys. However, other manufacturers make it easy for anyone to accomplish it themselves. If you are unable to program the new key on your own, then you can have your dealer do it, however it will be very costly. You can also purchase an online keyprogrammer. They are less expensive than visiting a dealership but they aren't inexpensive. Make sure you investigate the seller prior to purchasing one – some are not reliable and could damage your car. Transponder Chips Transponder chips are likely be found in cars manufactured in the last 20 years. This is a little piece of plastic on the back of your key which contains an RFID (Radio Frequency Identification) chip with a unique code that is specific to your particular vehicle. The chip emits an low-level radio signal once it is activated by an electromagnetic field. The signal is then absorbed by a special antenna that is attached to the ignition barrel. This allows the computer in your vehicle system to determine if the transponder chip inside the key is the right one for your particular car. This prevents the vehicle from being started through hot-wiring, or by altering the key. The chip in the key also proves that you are the legitimate owner of the vehicle. This will help reduce the possibility of theft from your vehicle. Transponder keys resemble regular keys made of metal but have caps made of plastic. The chip is contained within the plastic part of these keys. There are various cuts: a standard cut, a Laser cut (also known as a sidewinder or Ford Tibbe) and the Ford Tibbe. When the transponder key is inserted into the ignition barrel, a circuit within of the induction coil sends out an electrical signal. The signal is taken up by the chip, which then transmits a signal to the vehicle. If the computer onboard the car detects the signal as valid it will turn off the car immobilizer to allow the engine start. If the vehicle doesn't recognize the transponder signal as being the correct one, it will stop the engine from running and will notify you by flashing its lights and sounding an alarm. This function is designed to discourage individuals from tampering with the vehicle. However, it is not an absolute security measure. A skilled and committed thief may still be able to bypass this system by employing a device designed to detect the signal. You can see that a transponder is a great option. This is something that all vehicle owners should consider if want to safeguard their investment and decrease the risk of theft. Key Fobs Key fobs today be more than just a way to lock and unlock doors. They can also start the vehicle remotely, make chirping noises to help locate the car, or switch on the heated steering wheel. These additional features could make it difficult to locate your car keys. Key fobs utilize radio frequencies to communicate with one another and with the car. These frequencies are transmitted through a small antenna located in the middle of the key. The signal is encrypted to prevent others from stealing or modifying the signal. There are a few different ways to program a key fob based on your vehicle's model and make. Certain models allow you to do it yourself. However, the majority of modern models require you to visit an expert locksmith or dealer in order to program a replacement key fob or additional one. When you press the button on a key fob, the microchip transmits an indication to the receiver inside the vehicle with which it is linked. The receiver compares this information to the 'allowed' signals on the fob and either opens or locks the door. If the data does not match, the car will not be allowed to drive. Once the car is linked with a specific fob it will only accept signals from that specific device. This means that other fobs will not work with the vehicle, even though they appear similar. This safeguards the integrity of the computer system that runs the car and blocks unauthorised key fobs from taking control over it. The majority of newer dealers will only work on a car with original fobs or genuine replacements that are supplied by the manufacturer. This is because the only place that has the experience to design an appropriate replacement fob is the service department of the dealer. However, some fobs from the aftermarket — usually those for older models that have less sophisticated systems — can be programmed by the consumer without the need for an authorized dealer.