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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 can take your existing key and use a specific tool to program a new key for your car. The procedure involves reprogramming the blank chip inside the replacement key to fit the current settings of your vehicle. Some manufacturers make this easy but others require a dealer or locksmith. Self-programming As car technology has evolved over the years, the ignition keys have also evolved too. The days of the simple mechanical keys that you could make at a hardware store for less than $10 have gone. The latest models come with computers that have improved anti-theft security. The cars require a transponder chip-integrated key to be programmed by a professional locksmith, mechanic or dealer for proper operation. Professional locksmiths can carry out various types of programming for keys for cars. Certain are complicated and require specialized tools. These tools are usually not accessible to the general public and are used only by professionals. This type of car key programming is known as EEPROM Programming and requires soldering, electronic skills and a lot of time. Other kinds of key programming can be performed by anyone. These are usually done by using the onboard diagnostics port, which is accessible with a special key-fob-programming tool. This procedure can be carried out by a professional locksmith with the help of an online guide or the vehicle's owner manual. Locksmiths with experience can program a new or replacement car key fob fast and accurately. This is the most efficient option for car owners since they can provide a complete range of services. They can offer a competitive price and assurance that the replacement key is going to work. Keep in mind that the majority of vehicles only accept one programmed car key. If you're looking to save some cash, it's a good idea to get an additional key fob that works and have it programmed. You can be certain that the new key works and is programmed for your vehicle. You'll need to pay the dealer for programming and replacement keys if you don't. Key Programmers Modern cars frequently require a key programming process to initialize the vehicle's system and allow the vehicle to start. In certain instances, the key will need to be programmed by an auto locksmith or a dealer. The key may not function properly or not start the vehicle at all. This is because the key has not yet been programmed into the vehicle's system. This can be expensive. This is why it's a good idea to have two working keys for a modern automobile and have the replacement key programmed if necessary. A keyprogrammer can reprogram a transponder chip on the new mechanical key or key fob. It is also able to copy the data of an existing key to create duplicates. These are handheld devices that connect to a car's On Board Diagnostics (OBD port). They come with diagnostic software that allows them to communicate with computers. They also have a bidirectional interface to work with an immobilizer system. There are many different types of keyprogrammers available on the market and they come in a variety of shapes and sizes. Some are inexpensive and others are advanced and can cost thousands of dollars. Certain models are specifically designed for certain kinds of vehicles and can provide advanced diagnostics for your electronic systems of the car. If you want to program an entirely new key for your vehicle, check the owner's manual for instructions on how to do it. Certain manufacturers employ proprietary software that only allows dealers to make new keys. Other manufacturers make it simple for anyone to complete. If you are unable to program the new key yourself, then you can have your dealer do it, however it will cost a lot. You can also purchase a keyprogrammer on the internet. They are less expensive than visiting a dealer, but still not cheap. Be sure to research the seller before purchasing one – some are not reliable and can damage your vehicle. Transponder Chips If your car is made in the past 20 years, then it has a transponder inside of it. This is a little plastic thing inside the head of your key which contains an RFID (Radio Frequency Identification) chip with a unique code that is specific to the specific vehicle you own. The chip emits a low-level radio signal when it is activated by an electromagnetic field. Read the Full Post is then absorbed by the special antenna that is fitted around the barrel that controls your ignition in your car. The computer system of the vehicle will then confirm that the chip in the key's transponder is the right one for your car. This stops the vehicle from being started by hot-wiring, or by altering the key. The chip in the car key verifies that the owner is the person who owns the vehicle. This helps to reduce the risk of theft from your car. Regular transponder keys are designed like regular metal keys with an outer layer of plastic. The chip is housed within the plastic part of the key and there are different cuts that can be found on these keys: a cut, a laser cut (also known as a sidewinder key) or Ford Tibbe key. When the transponder key is inserted into the ignition barrel, a circuit within of the induction coil will send out the signal. The signal will be absorbed by the chip and cause it to transmit a signal back to the car. If the computer in the car is able to recognize the signal as being correct it will turn off the vehicle immobilizer to allow the engine start. If the car does not recognize the transponder signal as being the proper one, it will keep the engine from running and will notify you by flashing its lights and sounding siren. This feature is designed to discourage people from attempting to hack into the vehicle, however it is not a foolproof security measure. 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 few advantages to getting a transponder key. All car owners should take this into consideration if they wish to protect their investment and decrease theft risk. Key Fobs In addition to locking and unlocking doors, launching the car remotely, or making sound chirps to help locate the car in a parking lot, today's key fobs can also switch on the heated steering wheel or open all windows with just a single press. These extra features could make it difficult to locate your car keys. Key fobs utilize radio frequencies to communicate with each other and the car. These frequencies are transmitted through a small antenna located inside the middle of the key. The communication is encrypted, which helps to prevent others from intercepting and replicating the signal. There are several ways to program a key fob depending on the make and model. You can sometimes do this yourself, but the majority of newer vehicles require a locksmith shop or a professional to program a replacement or an additional fob. When you hit the button on a key fob it transmits an encoded code to the car's receiver that it is paired with. The receiver compares this information to the 'allowed' signals in the fob and then either locks or opens the door. If the information doesn't match the signals, a chirping sound can be heard and the car isn't allowed to operate. Once the car is paired with a specific fob it will only receive signals from that specific device. Other fobs will not work with the car, even though they look like. This ensures the security of the computer system in the vehicle and stops unauthorized key fobs gaining control over it. The majority of newer dealers will only work on a car with original fobs or genuine replacements offered by the manufacturer. This is because preparing a replacement fob requires technological and security skills which can only be obtained in the dealer's service department. However, some fobs from the aftermarket typically for older models with less sophisticated systems can be programmed by the consumer without the need of a dealership.