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Smart Car Key Reprogramming You'll need a locksmith to quickly and safely fix your car key that is smart if you need to replace a battery or if it isn't working. Locksmiths can also reprogram your key fob. Before starting the reprogramming process You must get into the driver's seat and shut all doors. This will allow the keys to be programmed without disrupting the electrical systems of your vehicle. What is a smart-key? A smart key is a car fob that can unlock your doors, lock the trunk and start the engine without having physically contact the vehicle. It transmits an encrypted signal to the car through a microchip connected to the onboard computer. This technology stops thieves from gaining access to and stealing your car. Smart keys are a great alternative to traditional keys. While modern vehicles can be started with no key in many instances, they make the process much more comfortable. They allow drivers to lock or unlock their vehicle, and remotely start their car using their smartphone. This is a great relief for those who get exhausted of digging in their pockets for the keys to their car's physical. 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 is applicable to all models and allows them to use the same key. It could also be used to steal cars. Smart keys broadcast an encrypted signal every time they unlock a door or remotely pop the trunk. This will keep thieves who are tech-savvy [source: Popular Mechanics] from absconding with your vehicle. Some smart keys are able to store information on the car, like the power seat and mirror settings. This can be useful in times of emergency. Additionally many smart keys come with batteries that can be used in the event of power outage. How do smart keys work? Smart keys are a great way to unlock your vehicle without the need to turn a traditional car key. The key fob transmits an electronic signal to the computer that is then interpreted by the antennas. The computer transmits a signal to the door to be opened or the engine to start. Another benefit is that smart keys are much more secure than traditional keys. They make use of RFID (radio frequency identification) technology that is unique to each key and vehicle. This means that it is almost impossible to steal a car with a smart key. Even if a thief successfully gains entry to the vehicle and tries to hotwire it to the vehicle, it won't start unless the encrypted code is from the key fob. Finally smart keys are convenient because they allow you to lock your car doors automatically when you're not in the range. This is especially useful when you forget to lock the doors when getting out of the car. Smart keys are only restricted by the fact that they need to be properly programmed in order to function properly. This process involves entering a particular sequence of commands into the diagnostic tool, or following the prompts displayed on the screen. This is something most people aren't able to handle themselves, and it's often left to professional service providers. How do I program a smart key? There are a variety of methods to program a Smart Key. The procedure varies depending on the vehicle. Consult the owner's guide for your particular model to learn more. In general, you insert the key into the ignition prior to turning it on. The key can be removed when the security light has flashed. Follow the on-screen instructions to reset and program the key fob. The other alternative is to reach the local locksmith or an automotive dealership. Locating a locksmith who provides smart car key programming and replacement services shouldn't be difficult. These services are also offered by a number of dealerships which is why if you already have an existing relationship with your dealer, they may be able to assist you. You'll need the VIN number of your vehicle (VIN) to program a new car keys. It is a unique number that identifies your car and its components. You can find it on your insurance card or registration. Follow the directions on the screen to program the key fob after you have the VIN. Once the key is programmed, it should be capable of locking and unlocking your car, however it won't start the engine. You'll need a locksmith, or a dealership to start your vehicle. Numerous automotive dealerships now provide smart key repair and replacement services at affordable prices. How much will it cost to program a smartkey? Most modern car keys are key fobs with an embedded chip within them. The chip allows the car key to connect via radio waves with the vehicle when the key fob button hit. If a valid number of characters are sent from the key fob the car, it will open the doors and start the engine. If your key fob isn't working it might need to be reset to match the current settings of your vehicle. This is usually performed by a dealer, however locksmiths can also handle it. Depending on the type of vehicle you have, the cost to reprogram a smart key will vary. While it could be tempting to attempt to program your own car key yourself however, it's generally a bad idea. This is because reprogramming a smart lock is a complex process that requires access to specific tools as well as expertise to work with electronic circuit boards and circuit boards. Attempting to program your own car key can also damage it, resulting in the necessity of replacing it. It's expensive to have your key fob reprogrammed by a dealer, but it's worth it if want your key fob to keep functioning properly. If you would like to save money, there are many online guides available that can guide you through the process of reprogramming your smart key at home.