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Smart Car Key Reprogramming You will need a locksmith to quickly and easily fix your car key that is smart in the event that you need to replace batteries or isn't working. Locksmiths can also reprogram your key fob. Before starting the reprogramming process Before you begin the process, take the driver's seat and shut all doors. This will allow keys to be programmed without affecting the electrical systems of your vehicle. What is a smart key? A smart key is a fob for your car which can open your doors, lock your trunk and start the engine without needing to physically touch the vehicle. It works by sending an alert to the car through an encrypted microchip which is connected to the vehicle's computer onboard. This technology prevents thieves from gaining access to the car and using it for. Smart keys are a fantastic alternative to traditional keys. While most modern cars can be started without a key in some instances however, they make the process more comfortable. This is because they allow users to use their smartphones to lock, unlock, and even remotely start the car. This is a great relief for those who get tired of fishing around in their pockets for the car's physical keys. Open Road Auto Group says that the main difference between regular keys and smart keys is that the latter don't transmit the same frequency signal over and over again. This would affect all models and makes that use the same key. It could also be used to steal cars. Smart keys transmit an encrypted signal every when they open doors or remotely open the trunk. This helps deter tech-savvy thieves from taking your vehicle [source: Popular Mechanics]. Some smart keys can store information about the car, for example, power seat and mirror settings. This can be useful in the event of an emergency. Furthermore, many smart keys have battery backups that help in the event of a power failure. How do smart keys work? The most obvious benefit of a smart key is the possibility of unlocking your vehicle without turning a traditional key. The key fob communicates with antennas in the vehicle and transmits signals, which are then processed by the computer. The computer then issues a command to open the door or start the engine. Smart keys are also more secure than conventional keys. They come with RFID (radio-frequency identification) technology that is unique to the key and car. This means it's nearly impossible to steal a car equipped with a smart key. Even if the person who steals it attempts to break into the car and tries to hotwire it without the encrypted code on the key fob the car will not start. Smart keys are also useful, since they lock your car automatically whenever you're out of range. This is especially useful in the event that you are prone to forgetting to lock the doors when getting out of the car. The only disadvantage of a smart key is that they have to be programmed correctly in order to work correctly. This process involves entering a particular sequence of commands into the diagnostic tool or following the prompts displayed on the screen. This is a task that many people do not want to tackle themselves, so it's usually left to professional service providers. How do I program a smart key? There are a variety of methods to program a smart key. The procedure differs for each vehicle. Check the owner's manual for your model to learn more. In general, you place the key into the ignition before turning it on. You can take the key out once the security light has flashed. Then, follow the on-screen instructions to reset and program the key fob. Contacting a local auto dealership or locksmith is another option. Many locksmiths offer smart vehicle key replacement and programming services, so finding one shouldn't be too difficult. These services are also offered by many dealerships for cars, so if you already have an existing relationship with your dealer, they might be able to help you. You'll need your vehicle identification number (VIN) to create a new car key. This is a unique code that is used to identify your vehicle and its components. It is found on your insurance card, registration, or on your vehicle's title. Follow the steps on the screen to programme the key fob once you have the VIN. Once the key has been programmed and you are able to use it to lock and unlock your vehicle. However it will not be able to start the engine. You'll require a locksmith or a dealership to start your vehicle. Many dealerships offer smart key repair and replace services at affordable rates. What is the cost to program a smartkey? The majority of modern car keys are key fobs that have an integrated chip inside them. The chip lets the key communicate with the vehicle through radio waves when it is pressed. fob is hit. The car will open its doors and then start the engine when a valid code from the key fob is sent. If your key fob ceases to function, it may need to be reset to work with the current settings of your car. This process is typically carried out by a dealer, but it can also be done by a professional locksmith. Depending on the type of vehicle you have, the cost to reprogram a smart key will vary. It may be tempting to program your own key, but this is not a wise choice. Reprogramming smart forfour key programming is a complex procedure that requires specialized tools and familiarity with electronic circuits and boards. If you attempt to program your own car key could also harm it, resulting in the need to replace it. It's expensive to have your key fob programmed by a dealer. However, it's worth it if want your key fob to keep functioning as it should. There are numerous online guides that walk you through the steps to reset a smart key.