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Smart Car Key Reprogramming You'll need a locksmith to fix quickly and securely your car key that is smart in the event that you need to replace batteries or if it isn't working. A locksmith will also have the tools needed to reprogram your new key fob. Before you begin the process of reprogramming before you begin the reprogramming process, you must get into the driver's seat and close all doors. This will enable you to program the keys without affecting the car's electronic systems. What is a smart key? A smart key is a fob for your car that allows you to unlock your doors, lock your trunk, and start the engine without having physically contact the vehicle. It works by sending a signal to the car through an encrypted microchip that is connected to the car's onboard computer. smart car replacement key stops thieves from gaining access to the car and using it for. Smart keys are a great alternative to traditional keys. While most modern cars can still be started without a key in a lot of instances however, they make the process more practical. They let drivers lock, unlock, and even remotely start their car from their smartphone. This can be a great comfort for those exhausted of having to dig through their pockets to find their car's key. Open Road Auto Group says that the primary difference between regular keys and smart keys is that the latter don't transmit the same frequency signal in a series. This would affect all makes and models that use the same key, and could be used to steal vehicles. Instead, smart keys send an encrypted signal every time they unlock the door, or remotely open the trunk. This helps ward off thieves with advanced technology from stealing your vehicle [source: Popular Mechanics]. Some smart keys can store information on the car, such as mirror and power seat settings. This is helpful in times of emergency. Many smart keys also feature an emergency battery backup that can help in the event of a power outage. How do smart keys function? The most obvious benefit of a smart key is the ability to unlock your car without having to turn a traditional key. The key fob communicates to antennas inside the vehicle and sends the signal, which is then interpreted by the computer. The computer then sends a message to the door to be opened or for the engine to start. Another benefit is that smart keys are a lot more secure than traditional keys. They utilize RFID (radio frequency identification) technology that is unique to each key and car. It is therefore nearly impossible to steal an auto equipped with a smart-key. Even if someone gets into the car and attempts to hotwire it to the vehicle, it won't start without the encrypted code from the key fob. Furthermore smart keys are practical because they permit you to lock your doors to your car automatically when you are not in range. This is especially helpful when you forget to lock the doors when getting out of the car. Smart keys are restricted by the fact that they need to be programmed correctly in order to work properly. This means entering a specific sequence of commands in the diagnostic tool, or following the on-screen instructions. Many people aren't 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 ways to program the smart key. The procedure is different for each vehicle. Check the owner's manual for your particular model to learn more. In general, you place the key into the ignition before turning it on. You can remove the key after the security light has flashed. Follow the instructions on screen to reset and program the key fob. Contacting a local auto dealership or locksmith is another alternative. Many locksmiths provide smart car key replacement and programming So getting one should not be too difficult. These services are also provided by a variety of car dealerships If you already have an established relationship with your dealer, they might be able to help you. You'll need the VIN number of your vehicle (VIN) to program a brand new car key. It is a unique code that identifies your car and its parts. It can be located on your insurance card, registration form, or title of your vehicle. Follow the instructions on the screen to program the key fob once you have the VIN. Once the key has been programmed, it should be able to lock and unlock your vehicle, however it won't be able to start the engine. You'll require a locksmith or a dealership to start your vehicle. Luckily, many car dealerships are now offering intelligent key repair and replacement services at reasonable prices. How much will it cost to program a smartkey? The majority of modern car keys are key fobs which have an integrated chip inside them. The chip lets the key communicate with the vehicle via radio waves when the button on the key fob is press. If a valid key code is sent from the key fob to the car, it will open the doors and start the engine. If your key fob isn't working, it may need to be reset so that it can work with the current settings on your vehicle. This process is usually carried out at a dealership, but it can also be done by an expert locksmith. The cost of reprogramming a smart lock differs based on the type and model of your car. It may be tempting to program your own key, but this is not a smart idea. This is because reprogramming smart keys is a difficult process that requires access to specific tools as well as experience of working with circuit boards and electronics. You can damage your car key by trying to program it by yourself. It can be expensive to have your key fob reset by the dealer, but it's worth it if want your key fob to keep functioning properly. There are numerous online guides that guide you through the process to reprogramme a smart key.