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Smart Car Key Reprogramming You will need a locksmith to quickly and easily fix your smart car key should you require replacing batteries or if it isn't working. Locksmiths can also reprogram your key fob. You must shut all the doors and step in the driver's seat prior to you begin the reprogramming process. This will allow the keys to be programmed, without disrupting the electrical systems of your vehicle. What is a smart-key? Smart keys are car keys that can open doors, lock trunks and start engines without the need to touch the vehicle. It works by sending a signal to the car via an encrypted microchip that's connected to the vehicle's computer onboard. This prevents thieves from hacking into your vehicle and using it. vehicle smart key are an excellent alternative to traditional keys. Although modern cars can still be started without a key in many instances but they make the process much more comfortable. They allow drivers to use their mobile to lock, unlock and even remotely start the vehicle. This is a huge relief for those who get exhausted of digging in their pockets for the car's physical keys. According to Open Road Auto Group, the primary difference between a regular key and a smart key is that smart keys don't transmit the same frequency signal over and over again. This will affect all brands and models that utilize the same key. This could be used to steal vehicles. Instead, smart keys emit an encrypted signal with a different encryption each time they open the door, or remotely open the trunk. This helps ward off thieves who are tech-savvy from taking your vehicle [source: Popular Mechanics]. Some smart keys also save information about the car such as the settings for the power seat or mirrors which can be useful in a situation of emergency. Many smart keys also feature an emergency battery backup that can help in the event of an outage. How do smart keys function? Smart keys are a fantastic way to unlock your vehicle without the need to turn the traditional car keys. The key fob transmits a signal to the computer that is then interpreted by the antennas. The computer issues a command for the door to be opened or the engine to be started. Smart keys are also more secure than conventional keys. They come with RFID (radio-frequency identification) technology, which is unique to the key and car. It is therefore nearly impossible to steal a car equipped with a smart-key. Even if a burglar attempts to break into the car and tries to hotwire it without the encrypted code on the fob of the key, the car won't be able to start. Smart keys are also useful, since they automatically lock your car when you're not in the range. This is particularly useful if you are prone to forgetting to lock your car doors after leaving your vehicle. Smart keys are limited by the fact they must be programmed correctly in order to function properly. This involves entering a specific sequence of commands into the diagnostic tool or responding to prompts on screen. This is something that most people do not want to tackle themselves, and it's usually left to professional service providers. How do I program a smart key? There are a variety of ways to program the smart key. The procedure will vary based on vehicle, therefore it is important to check the owner's guide for the specific model you have. Generally, the process involves inserting the key into the ignition and turning it to the on position. It is possible to remove the key after the security light flashed. Follow the steps on the screen to reset and program the key fob. The other option is to contact a local locksmith or automotive dealership. A lot of locksmiths offer smart car key replacement and programming, so finding one shouldn't be too difficult. These services are also offered by a number of dealerships which is why if you already have a relationship with your dealer, they might be able to assist. You'll need the VIN number of your vehicle (VIN) to create a new car key. This is a unique number that identifies the vehicle and its parts. You can find it on your insurance card or registration. Once you have the VIN, follow the on-screen instructions to set up your key fob. Once the key is programmed, it should be capable of locking and unlocking your car, but it won't be able to start the engine. You'll need a locksmith or dealership to start your car. Luckily, many car dealerships are now providing smart key repair and replacement at reasonable prices. What is the cost to program an intelligent key? The majority of modern car keys are in the form of key fobs fitted with an integrated chip. The chip allows the car key to communicate through radio waves with the vehicle when the key fob button press. The car will open its doors and then start the engine when an appropriate code from the key fob has been sent. If your key fob ceases to function it could need to be reprogrammed to work with the current settings of your vehicle. This process is typically done by a dealership, however it can also be accomplished by an expert locksmith. The cost of reprogramming a smart key is dependent on the model and type of your vehicle. While it is tempting to try and program your own car key but this is generally a bad idea. This is because reprogramming your smart key is a complex process that requires access to special tools and the experience of working with circuit boards as well as electronics. You could damage your car key by trying to program it by yourself. The cost of having your car key reprogrammed by the dealership can be costly, but it's usually worth it in order to ensure that your key fob will function properly. If you're looking to save cash, there are numerous online guides that will walk you through the process of programming a smart key at home.