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Smart Car Key Replacement Smart keys take car key technology an extra step. These keys can unlock your doors and even start the car at the touch of a button. They may cost more than standard key fobs, and are more difficult to replace. You can purchase a replacement smart car key at your dealership or a professional locksmith. Both are the same, but offer different services. Keyless Entry System The keyless entry system of your car is a sophisticated security feature that lets you unlock and start your car without taking the key out of your pocket. This is accomplished by sending the wireless signal to a receiver that is built into the interior of your vehicle. The receiver then opens your car's doors, and also starts the engine. A key fob has an electronic chip that is equipped with a unique identifier that is linked to your car's receiver. When you put the key in your ignition, the paired pair signals that you are close to the car and allows the car to open the door and start the engine. If you lose your smart key, it may be a challenge to replace it. You'll usually need to visit your dealer in order to prove ownership. The dealer can then pair an additional key to your car. In certain modern vehicles, it is possible to make use of an app to replace the key fob. These systems, also commonly referred to as “keyless entry” can be used to open and shut off the car, as well as lock and unlock the doors. This type of system is available as an upgrade to the factory remote or as a part of a security package that is customized. This type of system is also popular at apartments and corporate buildings. Transponder Keys It's basically an ignition key for cars that has an embedded microchip in it. The chip emits an activating signal when it is close to the ignition. This makes it impossible for anyone to start your car without the original keys, which helps prevent auto theft. The microchip has a digital serial number that authenticates the key to the vehicle. If the key is near the ignition, the microchip sends the radio signal at a low level to a special receiver inside the car. The signal is then sent to the engine controller unit (ECU) in order to allow the car to start. A key fob is not only a security feature however, it can also be used to unlock your doors as well as open the windows and sunroof. It can be used to disable your immobilizer, which will shut down the engine of your car when the key is taken out of the ignition. Certain key cards are more complex and have multiple levels of security. For instance, the VATS keys of GM include an anti-theft mechanism that stops your car from starting when the wrong key is used. This is done by using a resistor with one of the 15 preset resistances within the key. A dealer replacement smart key is a good option if you cannot locate your smart keys, or should they be lost. This could be expensive and you might have to pay a locksmith or a dealer in your car to reprogram the new key. Smart Keys The days of fiddling with the keyhole or pressing a button are gone – a few car manufacturers now offer smart keys as an option. These keys are shaped like plastic cards and feature an electronic sensor that connects to your vehicle's computer. They can unlock your car and also open the doors and start the ignition with the physical car keys. The first version of these keys demanded that drivers insert them into a slit through which an onboard computer verified the signal. The most modern RFID technology allows cars to be opened and started without the need for a slot. In reality, you just require the key to be within 1.5 meters of the vehicle. Additionally the smart keys will notify you ahead of time if the battery is depleted. You can buy another key from a locksmith, or follow the directions in the owner's manual to replace it. You can order a replacement smart factory key by calling or looking through the inventory of the dealer. You can also buy a compatible aftermarket car key from a retailer for parts should you require one for an emergency replacement. They can pair it with your current key to avoid costly dealer charges. Then, you can use it as a backup key in the event that you lose your main key. Smart Key Replacement Smart keys are present in a variety of newer vehicles. They can unlock doors and start engines, as well as perform other tasks without the driver needing to touch or hold their key fob. The keys communicate with antennas that can detect and recognize the specific signal that comes from the keyfob. The primary benefit of a smart car key is its convenience. It makes it less necessary for drivers to struggle with their keys as they pull out of their driveway and could cause them to lock themselves outside. It makes the process of starting and entering the vehicle much faster because it eliminates the need to locate and push buttons on the traditional remote. Smart keys also provide an additional level of security. Smart keys emit an unique encrypted signal that isn't identical to other key fobs. This makes it much more difficult for thieves to copy your signal. However, just like any other kind of car key smart keys may fail or be lost. However, a locksmith can help you replace your key. They can reprogram a new device to connect to the computer in your car to allow you to lock it and start it up again. All they require is a replacement battery. Open the smart key fob and take out the old battery. Place the new battery in the same holder. Make sure that the edges of the key fob meet.