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Smart Car Key Replacement Smart keys take technology for car keys one step further. These keys can unlock your doors and start the car with a click of an button. These keys can be more expensive than standard keys and are more difficult to replace. You can get a new smart car key from your dealership or a professional locksmith. Both are comparable, but provide different services. Keyless Entry System The keyless entry feature that comes with your car offers a high level of security that allows you to unlock your car and start it without removing the key from your pocket. It works by sending a wireless signal that is received by a receiver that is built into the interior of your car. The receiver opens your car's doors, and also starts the engine. The key fob is an electronic device that has a unique identifier and is connected to the car's receiver. When you put the key in your ignition, the matched pair of chips signals that you're close to your car and allows the car to open the door and start the engine. If you lose your smart key, it may be a nightmare to replace it. You'll often have to visit your dealer to verify ownership. The dealer will then match an additional key to your car. In some modern vehicles, it is possible to use an app to replace the key fob. These systems are referred to as “keyless entry” and can be used to open and begin the vehicle, as in locking and unlocking the doors. This kind of system could be installed as an add-on to your current factory remote or as a part of a customized security package. This system is also popular at commercial buildings and apartment complexes. Transponder Keys This is a key with a microchip embedded in it. The chip emits an electrical signal when it's close to the ignition in order to activate it. This makes it difficult for anyone to start your vehicle without the original keys, which helps prevent auto theft. The microchip has a digital serial number that authenticates the key to the vehicle. When the key is located close to the ignition, the chip transmits an unintentional radio signal that a specific receiver in the car picks up. It then transmits the signal to the engine controller unit (ECU) in order to allow the car to start. In addition to the security benefit keys can also open your door locks and let you open the windows and sunroof. It is also able to disable your immobilizer, which disables the engine of your car when the key is pulled out of the ignition. Certain key cards are more sophisticated and come with multiple levels of security. For instance, GM's VATS keys come with an anti-theft system that stops your car from starting if the wrong key is used. This is achieved by having a different resistor in the key which has one of the 15 resistors that are preset. If you are unable to locate your smart key, or it is lost, getting a replacement from the dealer might be a good option. It could be costly and you may need to pay a locksmith a dealer in your car to reprogram the new key. Smart Keys The days of fumbling with the keyhole or pressing a button are gone. A few automobile manufacturers now offer smart keys as an option. These keys are shaped more like plastic cards and feature an electronic sensor that connects to the computer in your vehicle. They can unlock your vehicle, open the doors, and even start the ignition, all without the need for a physical key. The original iterations of these keys required drivers to insert them into a slot that computers onboard would be able to verify the signal. The most modern RFID technology allows cars to be opened and started without having a slot. In fact, you only require the key to be within 1.5 meters of the vehicle. Additionally smart keys will notify you ahead of time if the battery is running low. You can then purchase a replacement from locksmiths or follow the steps in the owner's guide to replace it yourself. You can purchase a replacement key factory by calling or looking through the inventory of the dealer. If you need an additional key, you can purchase an aftermarket compatible key from a retailer of car parts. They can pair it with your current key to avoid costly dealer charges. You can use it as a backup in the event that you lose your primary key. Smart Key Replacement Smart keys are now available in many modern automobiles. They can unlock doors and start engines as well as do other things without the driver having to hold or touch their key fob. These keys communicate via antennas that detect and identify the precise signal coming from the keyfob. The primary benefit of the smart car keys is its convenience. It eliminates the need for drivers to struggle with their keys as they pull out of their driveways and could cause them to lock themselves out. It makes the process of starting and entering the vehicle a lot more swiftly, as it eliminates the need to find and push buttons on the traditional remote. Another benefit of a smart key is its added security. Smart keys emit a distinct encrypted signal that is not the same as other key fobs. This makes it much more difficult for thieves to copy your signature. But, like other kind of car key smart keys could break down or get lost. A locksmith can replace them. They can reprogram the new device so that it can connect to your car's computers, allowing you to lock and start your car again. All they require is an additional battery. To replace the battery in your smart key fob, just open it and remove the old one. Insert the new battery into the same holder. Make sure that the edges of the key fob are flush.