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Smart Car Key Reprogramming Whether you need to replace the battery or your car key that is smart isn't working correctly, you will need an expert locksmith who can swiftly and safely repair it. Locksmiths can also reprogram your key fob. Before beginning the reprogramming process Before you begin the process, get into the driver's seat and shut all doors. This will enable you to program your keys without impacting the vehicle's electronic systems. What is a smart key? Smart keys are car fobs that allow you to unlock doors, lock trunks and start engines without the need to touch the vehicle. It transmits an encrypted signal to your car via a microchip linked to the onboard computer. This technology stops thieves from gaining access to and stealing your vehicle. While it's true modern vehicles can be started with or without keys Smart keys make the experience much more convenient. They let drivers lock or unlock their vehicle, and remotely start their car using their smartphone. This can be a great relief for people who are exhausted of having to dig through their pockets to find their car's key. According to G28 Car Keys , the primary difference between regular keys and smart key is that smart keys don't transmit the same frequency signal over and over again. This could affect all makes and models that use the same key and could be used to steal vehicles. Smart keys transmit an encrypted signal every time they unlock a door or remotely pop a trunk. This will deter tech-savvy thieves [source: Popular Mechanics] from absconding with your vehicle. Some smart keys can keep information about the car, including the power seat and mirror settings. This can be useful in times of emergency. Furthermore the majority of smart keys have battery backups that are helpful in the event of a power outage. How do smart keys function? Smart keys are an excellent way to unlock your vehicle without the need to turn the traditional car keys. The key fob communicates to antennas in the vehicle and transmits the signal, which is then processed by the computer. The computer sends a command for the door to be opened or the engine to start. Another benefit is that smart keys are a much more secure than traditional keys. They have RFID (radio-frequency identification) technology that is unique to the key as well as the car. This means that it's almost impossible to steal a car equipped with a smart key. Even if the thief breaks into the car and tries to wire it without the encrypted code on the fob of the key, the car won't begin. Furthermore, smart keys are very practical because they permit you to lock your doors to your car automatically when you are out of the range. This is particularly useful when you're susceptible to forgetting to lock your car's doors after leaving the vehicle. Smart keys are only limited by the fact that they must be properly programmed in order to work properly. This involves entering a special sequence of commands into the diagnostic tool, or following on-screen prompts. A majority of people are not comfortable doing this themselves and therefore leave it to professionals. How do I program a smart key? There are several ways to program the smart key. The process varies by 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. The key can be removed after the security light has flashed. Follow the instructions on screen to reset and program the key fob. Contacting a local car dealership or locksmith is another option. Finding a locksmith that provides smart car key programming and replacement services shouldn't be difficult. These services are also provided by many dealerships for cars and if you have an existing relationship with your dealer, they may be able to help you. You'll need your vehicle identification number (VIN) to program a new car keys. This is a unique number that identifies the car as well as its parts. It is located on your insurance card or registration. Once you have the VIN you can follow the on-screen instructions to set up the key fob. After the key has been programmed it should be able to use it to lock and unlock the vehicle. However it will not be able to start your engine. If you wish to start the engine, you'll need to contact a locksmith or dealership. Fortunately, a lot of automotive dealerships now offer smart key repair and replacement services at a reasonable cost. What is the cost to program a smartkey? The majority of modern car keys are key fobs with an embedded chip inside them. The chip allows the car key to connect via radio waves with the vehicle when the key fob's button is activated. If a valid code is transmitted from the key fob to the vehicle, it will open the doors and begin the engine. If your key fob isn't working, it might need to be reset so that it is compatible with the current settings of your vehicle. This process is typically done by a dealer, but it is also possible to do by a professional locksmith. The cost of reprogramming a smart key varies depending on the type and model of your car. Although it might be tempting to try programming your own car keys but this is generally not a good idea. Reprogramming a smart car key is a complicated procedure that requires specific tools and the knowledge of circuit boards and electronic components. If you attempt to program your own car key can damage it, leading to the necessity of replacing it. The cost to have your car's key programmed at the dealership can be quite costly, but it's usually worth the investment in order to ensure that your key fob will continue to work as it should. There are many online guides that will walk you through the procedure to reprogramme a smart key.