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Smart Car Key Replacement Smart keys take the technology of car keys to the next level. These types of keys unlock your doors and even start the car at the touch of a button. These keys can be more expensive than standard keys and are more difficult to replace. You can purchase a replacement smart key from your local dealership or from an expert locksmith. Both are the same, but offer different service. Keyless Entry System The keyless entry system inside your car is a sophisticated security feature that allows you to unlock and start your car without having to take the key out of your pocket. This is accomplished by sending wireless signals to a receiver built into the interior of your car. The receiver then opens the doors and then starts the engine. The key fob is equipped with an electronic chip with a unique identifier that is paired to your car's receiver. When you turn the key in the ignition, the matched pairs signals that you are in close proximity to the car. The car can then open the door or begin the engine. It could be a headache getting your smart key replaced if you lose it. Often, you will need to visit a dealer to provide proof of ownership. The dealer will then match a new key with your car. In some modern vehicles, you can 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 also to lock or unlock the doors. This type of system can be installed as an add-on to the factory remote you already have or as part of a customized security package. It is also used for corporate and apartment building entrances. Transponder Keys It's basically a car key that has a microchip integrated into it. The chip emits an activating signal when it comes close to the ignition. This makes it impossible for anyone to start your car without the original keys, which can help prevent car theft. The microchip contains a digital serial number that authenticates the key to the vehicle. When the key is close to the ignition, the microchip sends an unintentional radio signal to a special receiver inside the car. The chip then sends a signal to the engine control unit (ECU) to activate the ignition and start the car. Apart from the security benefits keys can also open your door locks and allow you to open the sunroof and windows. It can also be used to disable the immobilizer, that disables the engine of your vehicle when the key is removed from the ignition. Certain more complex types of keys that are chip-based have different levels of security features. For instance, the VATS keys of GM come with an anti-theft system which stops your car from starting when the wrong key is used. This is accomplished through a resistor that is one of 15 preset resistors in the key. If you're unable to locate your smart key or it is lost, obtaining a replacement from the dealer could be a good alternative. It can be expensive and you may have pay a locksmith or an auto dealer to reprogram the new key. Smart Keys Keys Smart keys are now available from several automobile manufacturers. The days of pressing a keyhole and playing around with the keyhole are over. They resemble plastic cards, and they include an electronic sensor that connects to the vehicle's computer. They can unlock your car, open doors and start the ignition, all with no physical key. The original version of these keys demanded that drivers to insert them into a slit in which an onboard computer checked the signal. The most modern RFID technology allows cars to be opened and operated without a slot. All you need is the key within 1.5 meters. Smart keys can also inform you when the battery is low. You can purchase the new key from a locksmith, or follow the steps in your owner's guide to replace it. If smart key replacement are using a factory remote-controlled smart key you can learn how to purchase a replacement one by searching the dealer's inventory or contacting the dealer. If you require an additional key, you may purchase an aftermarket compatible key from a dealer for car parts. It can be paired with your current key to avoid costly dealer fees. You can also use it to replace your key in case you lose your main key. Smart Key Replacement Smart keys are available in a wide range of modern vehicles. They can unlock doors, start engines and perform other tasks without the driver needing to hold or touch their key fob. The keys communicate with antennas in the car that recognize a specific signal from the key fob. The convenience of having a smart key for cars is the main benefit. It makes it less necessary for drivers to fumble with their keys while pulling out of their driveway and could cause them to lock themselves outside. It makes starting and entering the vehicle much easier since it eliminates the need to search for and push buttons on the traditional remote. Another advantage of a smart key is the added security. Smart keys emit an encrypted signal that is not the same as other key fobs. This makes it difficult for thieves to duplicate your signal. Smart keys can, however be damaged or lost, just like any type of car key. A locksmith is able to help you replace yours. They can program the new fob to ensure that it connects to the computer system in your car, allowing you to lock and start your car again. All they need is a new battery. Open the smart key fob and remove the battery that was in it. Then insert the new one into the same holder, matching up every edge with the fob to make sure it's in a straight line at all points.