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Smart Car Key Reprogramming You'll need a locksmith to repair quickly and safely your smart car key when you have to replace batteries or if it isn't working. A locksmith will also have the tools needed to reprogram the new key fob. You will need to close all doors and get into the driver’s seat before you begin the reprogramming process. This will allow you to program your keys without affecting your vehicle's electric systems. What is a smart key? A smart key is a fob in your car which can open your doors, lock your trunk, and even start the engine without having physically touch the vehicle. It works by sending an electronic signal to the car through an encrypted microchip connected to the vehicle's onboard computer. This technology stops thieves from stealing your vehicle and stealing it. Smart keys are an excellent alternative to traditional keys. While modern vehicles can be started without a key in a lot of instances, they make the process more convenient. This is because they permit users to use their smartphones to lock, unlock and even remotely start the vehicle. This can be a great relief for people who are tired of digging around in their pockets to locate their car's keys. According to Open Road Auto Group, the main difference between regular keys and smart key is that smart keys don't transmit the same frequency signal over and over again. This will affect all models and uses the same key. It can also be used to steal cars. Instead, smart keys transmit an encrypted signal with a different encryption each when they open the door or remotely open the trunk. This can deter thieves with a high-tech mindset from taking your vehicle [source: Popular Mechanics]. Some smart keys also save information about the car, such as power seat and mirror settings This can be helpful in an emergency situation. Many smart keys also come with an emergency battery backup that can help in the event of a power outage. How do smart keys work? Smart keys are an excellent way to unlock your vehicle without turning a traditional car key. The key fob connects to the antennas in the vehicle, and transmits the signal, which is then processed by the computer. The computer transmits a signal for the door to be unlocked or the engine to be started. Smart keys are also more secure than traditional ones. They utilize RFID (radio frequency identification) technology that is unique to each key and car. It is, therefore, nearly impossible to steal a car equipped with a smart-key. Even if the person who steals it breaks into the car and tries to wire it, without the encrypted code on the fob of the key, the car won't be able to start. In addition, smart keys are very practical because they permit you to lock your doors to your car automatically when you are not in range. This is especially useful when you forget to lock your doors after leaving the car. The only drawback of smart keys is that they must be programmed properly in order to work correctly. This involves entering a particular sequence of commands into the diagnostic tool, or following on-screen prompts. This is something that most people aren't willing to do themselves, so it is typically left to professional service providers. How do I program a smart key? There are a variety of ways to program a smart key. The procedure differs for each vehicle. Consult the owner's guide for your specific model to find out more. Generally, the process involves inserting the key into the ignition and turning it to the on position. When the security light is flashing and you are able to remove the key. Then, follow the instructions on screen to reset and program the key fob. The other alternative is to reach the local locksmith or an automotive dealership. Many locksmiths provide smart car key replacement and programming and finding one shouldn't be too difficult. A lot of car dealerships also offer these services, so if have a previous relationship with the dealer, they may be able assist you. To program a key for the first time, you'll need the vehicle identification number (VIN). It is a unique code that is used to identify the car as well as its parts. You can find it on your insurance card or registration. Follow the instructions on the screen to program the key fob once you have the VIN. Once the key is programmed, it will be capable of locking and unlocking your car, however it will not be able to start the engine. If you want to start the engine, you'll need to speak with a locksmith or dealership. Numerous automotive dealerships now provide smart key repair and replace services at affordable rates. What is the cost to program a smartkey? Most modern car keys are key fobs which have an embedded chip within them. The chip allows the key to communicate with the vehicle through radio waves when the button on the key fob is press. The car will open its doors and start up the engine when an appropriate code from the key fob is received. If your key fob is not working, it may need to be reprogrammed so that it can work with the current settings in your vehicle. This process is usually carried out by a dealership, however it is also possible to do by a professional locksmith. The cost of reprogramming the smart key varies depending on the type and model of your car. It's tempting to program your own key, but it's not a wise choice. This is because reprogramming a smart key is a complicated process that requires specialized tools as well as ability to work with circuit boards and electronics. You could damage the car key if you attempt to program it by yourself. It's not cheap to have your key fob reprogrammed by a dealer, but it's worth it if you want your key fob to keep working as it should. If smart fortwo key replacement want to save money, there are plenty of online guides that can guide you through the process of reprogramming your smart key at home.