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Smart Car Key Reprogramming You will 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. A locksmith will also have the tools needed to reprogram the new key fob. Before starting the reprogramming process You must get into the driver's seat and shut all doors. This will allow keys to be programmed, without disrupting the electrical systems of your vehicle. What is a smart-key? Smart keys are car fobs that unlock trunks, doors, and start engines without having to touch the vehicle. It transmits signals to the car using an encrypted microchip that's connected to the vehicle's computer onboard. This technology stops thieves from stealing your car and using it. While it's true modern vehicles can be started without the use of a key. However, car smart key make the experience much more convenient. They let drivers lock, unlock, and even remotely start their car using their mobile phone. This can be a fantastic relief for those who are tired of digging around in 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 over and over again. This will affect all models and makes that use the same key. It could also be used to steal cars. Instead, smart keys emit a different encrypted signal each time they unlock the door or remotely open the trunk. This will stop thieves who are tech-savvy [source: Popular Mechanics] from absconding with your vehicle. Some smart keys also store information about the car such as power seat and mirror settings which is useful in a crisis. Many smart keys also come with a battery backup that helps in the event of an outage. How do smart keys work? The most obvious benefit of a smart key is the possibility of unlocking your car without having to turn the traditional key. The key fob transmits an electrical signal to the computer that is then interpreted by the antennas. The computer then sends a message for the door to be opened or the engine to start. Another benefit is that smart keys are a far more secure than conventional keys. They use RFID (radio frequency identification) technology that is unique to each key and car. This means that it's nearly impossible to steal from a vehicle with a smart key. Even if a thief successfully enters the vehicle and tries to connect it to the vehicle, it won't start unless the encrypted code is from the key fob. Smart keys are also very convenient, as they automatically lock your car whenever you're out of range. This is especially useful when you forget to lock the doors after getting out of the car. Smart keys are restricted by the fact that they need to be programmed correctly to perform as they should. This involves entering a specific sequence of commands into the diagnostic tool, or following on-screen instructions. The majority of people aren't at ease doing this on their own and therefore prefer to leave it to experts. How do I program a smart key? There are a variety of ways to program a Smart Key. The process varies by vehicle. Check the owner's manual for your specific model to know more. Generally, the process involves inserting the key into the ignition and turning it until it is in the on position. Once the security light blinks 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. Finding a locksmith that provides smart key programming for cars and replacement services shouldn't be a problem. Some dealerships also provide these services, so if have a previous relationship with the dealer, they might be able to help you. You'll need the vehicle identification number (VIN) to create a new car key. This is a unique number that identifies the car and its parts. It can be found on your insurance card, registration form, or vehicle title. Follow the steps on the screen to program the key fob after you have the VIN. Once the key has been programmed, it should be capable of locking and unlocking your vehicle, however it won't start the engine. If you wish to start the engine, you'll have to contact a locksmith or dealership. Luckily, many car dealerships now offer smart key repair and replacement for a reasonable price. How much does it cost to program a smart key? The majority of modern car keys come in the form of key fobs that have an integrated chip. The chip allows the car key to communicate via radio waves with the vehicle when the key fob's button is hit. The car will unlock its doors and start up the engine when an appropriate code from the key fob is sent. If your key fob is not working, it might need to be reprogrammed so it is compatible with current settings of your car. This is typically done by a dealer, however a locksmith can also do it. The cost of reprogramming your smart key is dependent on the model and type of your car. It is tempting to program your own key, but this is not a good idea. Reprogramming a smart car key is a complex procedure that requires specialized tools, as well as the knowledge of electronic circuits and boards. Attempting to program your own car key can also damage it, leading to the need for replacement. It's costly to have your key fob reprogrammed by the dealer, but it's worth it if you want your key fob to keep working as it should. If you would like to save money, there are plenty of online guides that can walk you through the process of reprogramming a smart key at home.