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Smart Car Key Reprogramming If you're looking to replace the battery or your car key that is smart isn't working as it should it is best to contact a professional locksmith who can swiftly and safely fix it. Locksmiths also have the tools needed to reprogram your new key fob. You'll need to shut all the doors and get into the driver's seat before you begin the reprogramming process. This will allow keys to be programmed, without disrupting the vehicle's electrical systems. What is a smart-key? Smart keys are car fobs that unlock trunks, lock doors and even start engines without the need to touch the vehicle. It transmits an alert to the car through an encrypted microchip that is connected to the vehicle's onboard computer. This technology prevents thieves from hacking into and stealing your vehicle. While it's true that most modern cars can be operated without the use of a key, smart keys make the experience more convenient. This is because they permit drivers to use their phone to lock, unlock and even remotely start the vehicle. This is a huge relief for people who are tired of fishing around in their pockets looking for the car's physical keys. According to Open Road Auto Group, the primary difference between the regular key and a smart key is that smart keys don't broadcast the same frequency signal repeatedly again. This could affect all models and creates the need for a single key. It can also be used to steal cars. Instead, smart keys transmit a different encrypted signal each when they open the door or remotely unlock the trunk. This will deter tech-savvy thieves [source: Popular Mechanics] from getting your vehicle. Certain smart keys also keep information about the car, including power seat and mirror settings. This is helpful in times of emergency. Many smart keys also come with battery backups that help in the event of an outage. How do smart keys function? The most obvious benefit of smart keys is the ability to unlock your car without turning a traditional key. The key fob communicates with antennas in the vehicle, and transmits signals, which are then interpreted by the computer. The computer then sends a message to unlock the door or start the engine. Smart keys are also more secure than traditional ones. They come with RFID (radio-frequency identification) technology, which is unique to the key as well as the car. It is therefore almost impossible to steal an automobile equipped with a smart-key. Even if someone gets into the car and tries to connect it to the vehicle, it won't start without the encrypted code from the key fob. Furthermore, smart keys are very useful because they allow you to lock your doors to your car automatically when you're not in range. This is especially useful if you are prone to forgetting to lock your car's doors when you leave the vehicle. Smart keys are only restricted by the fact that they need to be programmed correctly in order to function properly. This involves entering a specific sequence of commands using the diagnostic tool, or following on-screen instructions. Many people aren't confident in doing this so they give it to experts. How do I program a smart key? There are several ways to program Smart Keys. The procedure varies depending on the vehicle. Consult G28 for your specific model to know more. The process generally involves inserting the key into the ignition and turning it to the on position. It is possible to remove the key after the security light flashed. Follow the steps on the screen to reset and programme the key fob. Another alternative is to call an auto locksmith or a local locksmith dealership. Many locksmiths provide smart car key replacement and programming, so getting one should not be too difficult. These services are also provided by a number of dealerships, so if you already have a relationship with your dealer, they may be able help you. To program a new key you'll need the vehicle identification number (VIN). This is a unique number that identifies the vehicle as well as its parts. It is located on your insurance card, registration form, or on your vehicle's title. Follow the directions on the screen to program the key fob once you have the VIN. Once the key has been programmed, it will be able to lock and unlock your car, however it won't start the engine. If you want to start the engine, you'll have to call a locksmith or dealership. Many auto dealerships now offer smart key repair and replace services at affordable rates. How much does it cost to program an intelligent key? The majority of modern car keys are in the form of key fobs with an integrated chip. The chip lets the key communicate with the vehicle via radio waves when a button on the key fob is pressed. When a valid code is sent from the key fob the car, it will open the doors and begin the engine. If your key fob stops working the device may need to be reset to work with the current settings of your car. This is usually handled by a dealer, although locksmiths can also do it. Based on the type of car you have, the cost to reprogram a smart lock will vary. While it may be tempting to attempt to program your car key by yourself however, it's generally a bad idea. This is because reprogramming a smart key is a complex process that requires specialized tools as well as expertise to work with electronic circuit boards and circuit boards. You can damage the car key if you attempt to program it by yourself. The cost of having your car key reprogrammed at the dealership can be quite costly, but it's usually worth it in order to ensure that your key fob will work properly. If you want to save money, there are many online guides available to guide you through the process of programming a smart key at home.