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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, you will need a professional locksmith who will quickly and securely repair it. A locksmith can also reprogram your key fob. You will need to close all doors and get in the driver's seat prior to you begin the reprogramming procedure. This will enable you to program your keys without impacting the vehicle's electronic systems. What is a smart-key? A smart key is a fob for your car that can unlock your doors, lock your trunk and start the engine without having physically contact the vehicle. It transmits an encrypted signal to the car using a microchip linked to the onboard computer. This technology helps prevent thieves from gaining access to and using your car. Smart keys are an excellent alternative to traditional keys. While most modern cars can be started without a key in some cases, they make the process more efficient. This is because they permit drivers to use their phone to lock, unlock, and even remotely start the car. This can be a fantastic relief for those who are tired of digging around in their pockets to find the car's key. Open Road Auto Group says that the main difference between regular keys and smart keys is that smarters don't transmit the same frequency signal on a regular basis. This could affect all makes and models that use the same key. smart forfour key programming could be used to steal vehicles. Instead, smart keys send an encrypted signal with a different encryption each when they open the door or remotely pop the trunk. This will keep thieves who are tech-savvy [source: Popular Mechanics] from getting your vehicle. Some smart keys are able to keep information about the car, for example, mirror and power seat settings. This is useful in an emergency. Many smart keys also come with batteries that can be used in the event of an outage. How do smart keys work? The most obvious benefit of smart keys is the possibility of unlocking your car without turning a traditional key. The key fob communicates to antennas in the vehicle, and transmits an electronic signal that is 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 are equipped with RFID (radio-frequency identification) technology, which is unique to the key and car. It is therefore nearly impossible to steal an automobile equipped with a smart-key. Even if the person who steals it gets into the car and tries to hotwire it, without the encrypted code on the key fob, the car won't be able to start. Smart keys are also useful, since they automatically lock your car when you're out of the range. This is especially helpful in the event that you are prone to forgetting to lock the doors when getting out of your car. Smart keys are only limited by the fact that they need to be properly programmed in order to perform as they should. This 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 is usually left to professionals. How do I program a smart key? There are many ways to program a Smart Key. The procedure will differ for each vehicle, therefore it is important to consult the owner's manual for the model you're using. In general, you insert the key into the ignition prior to turning it on. When the security light is flashing then you can take out the key. Follow the instructions on the screen to reset and programme the key fob. Contacting a local auto dealership or locksmith is another alternative. Many locksmiths offer smart vehicle key replacement and programming, so it shouldn't be too difficult. These services are also offered by a variety of car dealerships If you already have an existing relationship with your dealer, they may be able help you. You'll need the VIN number of your vehicle (VIN) to program a new car keys. This is a unique number that identifies the car as well as its parts. You can find it on your insurance card or registration. Follow the directions on the screen to program the key fob when you have the VIN. Once the key has been programmed, you should be able use it to lock and unlock the vehicle. However, it will not start the engine. You'll need a locksmith, or a dealership to start your car. Many dealerships offer smart key repair and replace services at affordable prices. How much will it cost to program a smart key? The majority of modern car keys come in the form of key fobs fitted with an integrated chip. The chip allows the car key to communicate using radio waves with the vehicle when a key fob button is activated. If a valid code is transmitted from the key fob to the vehicle, it will open the doors and begin the engine. If your key fob ceases to function the device may need to be reset to work with the current settings of your vehicle. This is usually handled by a dealer but a locksmith can also do it. Based on the type of car you own, the cost to reprogram a smart lock will vary. It is tempting to program your own key, but it's not a smart idea. This is because reprogramming your smart key is a complicated procedure that requires special tools and knowledge of how to work with circuit boards as well as electronics. You could end up damaging the car key if you attempt to program it yourself. It's costly to get your key fob reprogrammed by a dealer, but it's worth it if want your key fob to continue functioning properly. If you'd like to save money, there are many online guides available that can walk you through the process of programming a smart key at home.