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Smart Car Key Replacement Smart keys take technology for car keys an extra step. These keys are able to unlock your doors and even start the car with a click of an button. These keys can be more expensive than standard key fobs and are more difficult to replace. You can get a new smart car key from the dealership or a professional locksmith. Both are alike, but offer different services. Keyless Entry System The keyless entry feature in your car offers a high level of security that enables you to open your vehicle and start it without removing your key from your pocket. This is done by sending wireless signals to a receiver in the interior of your vehicle. The receiver is activated by the car's doors and then starts the engine. The key fob is equipped with an electronic chip with a unique identifier that is linked to your car's receiver. When you turn your key into the ignition the matched pairs signal that you're in the vicinity of the car. The car can then open the door or start the engine. It could be a headache to get your smart key replaced in the event that you lose it. You'll usually need to visit your dealer to prove ownership. The dealer will then match the new key to your car. Certain vehicles of the present allow users to use an app on your phone to replace the key fob. These systems are known as “keyless entry” and can be used to open and begin the car, as well in locking and unlocking the doors. This type of system is available as an upgrade to your factory remote or part of a security package that is customized. It is also used in corporate and apartment building entrances. 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 that activates it. This makes it difficult for anyone to start your vehicle without the original keys, which helps to prevent auto theft. The microchip contains a digital serial number that authenticates the key to the vehicle. If the key is near the ignition, the microchip transmits an low-level radio signal to a specific receiver within the car. It then transmits a signal to the engine control unit (ECU) to activate the ignition and start the car. Apart from the security benefits Key fobs can also unlock your door locks and allow you to open the windows and sunroof. It is also able to switch off the immobilizer that disables the engine of your vehicle when the key is removed from the ignition. Certain key cards are more complicated and come with multiple levels of security. For instance, the VATS keys of GM have an anti-theft system that prevents your car from starting in the event of a wrong key being used. This is achieved by having an additional resistor in the key that has one of 15 possible preset resistances. If you're not able to locate your smart key, or it is lost, getting an exchange from the dealer might be a good alternative. However, this can be expensive and you'll need to pay for a locksmith or a car dealer to re-programme your new key to your car. Smart Keys Keys The days of fiddling with the keyhole or pressing a button are gone. A few automobile manufacturers now offer smart keys as an alternative. They resemble plastic cards, and they come with an electronic sensor that connects to a computer in the vehicle. They can unlock your vehicle and also open the doors and start the ignition with the use of a physical car key. The original version of these keys required drivers insert them into a slot where an onboard computer confirmed the signal. The most current RFID technology allows cars to be opened and started without having a slot. It is all you need is the key within 1.5 meters. Smart keys can also inform you when the battery is running low. You can either buy the new key from a locksmith, or follow the guidelines in your owner's guide to replace it. If you are using an original factory remote smart key and want to know how to purchase a replacement one by searching your dealer's inventory, or by calling the dealer. If you need an additional key, you can purchase a compatible aftermarket key from a retailer of car parts. They can pair it with your current key to avoid costly dealer charges. Then, you can use it as a backup in case you lose your primary key. Smart Key Replacement Smart keys are available in a variety of newer automobiles. They can unlock doors and start engines as well as perform other tasks without the driver needing to hold or touch their key fob. The keys communicate with the car's antennas that detect and identify a specific signal from the key fob. The primary benefit of the smart car key is its convenience. It eliminates the need to fumble around with keys when you exit the driveway. This can result in drivers locking themselves out of the vehicle. It also makes stepping into and starting the vehicle much faster because it doesn't require you to find and push buttons on a traditional remote. Another advantage of a smart key is the added security. While other key fobs emit the same frequency signal as yours smart keys transmit an exclusive encrypted signal, making it much more difficult for thieves with a technological edge to detect and use an identical copy of your car's signal. However, as with any other type of car keys smart keys can break down or get lost. The good news is that a locksmith will assist you in replacing yours. They can reprogram a new fob to connect to your car's system to allow you to lock it and start it up again. All they require is an additional battery. Open the smart key fob and remove the battery that was in it. Then, you can insert the new battery into the same holder, matching up each edge with the fob to ensure that it's flush with the fob at every point.