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Smart Car Key Reprogramming You'll need a locksmith to fix quickly and securely your car key that is smart when you have to replace the battery or is not working. Locksmiths can also reprogram your key fob. Before beginning the reprogramming process Before you begin the process, sit in the driver's chair and shut all doors. 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 allow you to unlock trunks, doors, and turn off engines without the need to touch the vehicle. It works by sending an encrypted signal to your car via an embedded microchip that is connected to the onboard computer. This prevents thieves from hacking into your car and using it. While it's true that many modern vehicles can be started without the use of a key. However smart keys make the experience more convenient. This is because they permit drivers to use their mobile to lock, unlock and even remotely start the vehicle. This is a huge comfort for those tired of digging in their pockets to find the car's key. According to Open Road Auto Group, the main difference between the regular key and a smart key is that smart keys don't send out the same frequency signal repeatedly again. This would affect all models and makes that use the same key. It can also be used to steal cars. Instead, smart keys send an encrypted signal every time they unlock the door or remotely unlock the trunk. This will stop thieves who are tech-savvy [source: Popular Mechanics] from absconding with your vehicle. Some smart keys also store information about the car, such as mirror and power seat settings, which can be handy in an emergency situation. Additionally the majority of smart keys have batteries that can be used in the event of power outage. How do smart keys work? Smart keys are a great method to unlock your car without turning a traditional key. The key fob sends an electrical signal to the computer, which is then interpreted by the antennas. The computer then sends a message to unlock the door or start the engine. Smart keys are also more secure than traditional ones. They feature RFID (radio-frequency identification) technology, which is unique to the key and car. This means it's nearly impossible to steal from a car with a smart key. Even if a burglar breaks into the vehicle and tries to wire it to the internet, the car won't start without the encrypted code from the key fob. Smart keys are also very useful, since they lock your car automatically when you're outside of range. This is particularly useful if you tend to forget to lock your doors after leaving the car. The only downside to smart keys is that they need to be programmed correctly in order to function properly. This involves entering a specific sequence of commands into the diagnostic tool or following prompts on the screen. A majority of people are not at ease doing this on their own, so they give it to experts. How do I program a smart key? There are a variety of methods to program Smart Keys. The procedure will differ based on the vehicle, so it's best to read the owner's manual for the model you own. In general, the procedure involves inserting the key into the ignition and turning it until it is in the on position. You can remove the key after the security light has flashed. Then, follow the on-screen instructions to reset and program the key fob. Another alternative is to reach the local locksmith or an automotive dealership. Finding a locksmith that provides smart key programming for cars and replacement services shouldn't be difficult. These services are also offered by a variety of car dealerships which is why if you already have an existing relationship with your dealer, they may be able to help you. To program a key for the first time, you'll require the vehicle identification number (VIN). This is a unique code that identifies your vehicle and its components. It can be located on your insurance card, registration form, or title of your vehicle. Follow the directions on the screen to program the key fob when you have the VIN. Once the key has been programmed and you are able to use it to lock and unlock your car. However it will not be able to start the engine. If you'd like to begin the engine, you'll have to speak with a locksmith or dealership. Many dealerships offer smart key repair and replace services at reasonable prices. How much will it cost to program a smartkey? The majority of modern car keys come in the form of key fobs with an integrated chip. The chip allows the key to communicate with the vehicle via radio waves when a button on the key fob is press. The car will unlock its doors and then start the engine when a valid code from the key fob has been sent. If your key fob is not functioning, it may require reprogramming so it is compatible with current settings on your vehicle. This is usually handled by a dealer, although a locksmith can also do it. Depending on the type of car you have, the cost to reprogram a smart key will vary. While smart forfour key programming is tempting to attempt to program your car key by yourself but this is generally a bad idea. This is because reprogramming your smart key is a complicated process that requires specialized tools and the experience of working with circuit boards and electronics. If you attempt to program your own car key can damage it, leading to the need for replacement. It's costly to have your key fob programmed by a dealer, but it's worth it if you want your key fob to continue working properly. There are numerous online guides that walk you through the steps to reprogramme a smart key.