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Smart Car Key Replacement Smart keys take the technology of car keys to the next level. These keys are able to unlock your doors and start the car at the touch of an button. They may cost more than standard keys, and are more difficult to replace. You can obtain a replacement smart key at a local dealership or from a professional locksmith. Both are similar, however, they 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 vehicle without taking the keys out of your pocket. This is done by transmitting a wireless signal that is detected by a receiver integrated inside the car's interior. The receiver then activates the doors, and it starts the engine. The key fob is an electronic chip which has an identifier unique to it and is connected to the receiver of your car. When you turn your key into the ignition, the matched pairs signals that you are near the car. The car is then able to open the door or begin the engine. It can be a challenge getting your smart key replaced if you lose it. In most cases, you'll have to visit the dealer to prove ownership. They will then match your new key to the car. Some modern vehicles allow you to use an application on your smartphone to replace the key fob. These systems, often referred to as “keyless entry” can be utilized to open and start the vehicle as well as to lock or unlock the doors. This kind of system could be added to your existing factory remote or as a part of a customized security package. This system is also popular in corporate buildings and apartment complexes. Transponder Keys This is a key with an embedded microchip. The chip emits an activating signal whenever it comes close to the ignition. This makes it difficult for anyone to start your vehicle without the original keys, which is a way to prevent auto theft. The microchip is equipped with a serial code that authenticates the key. When the key is near the ignition, the microchip will send the radio signal at a low level to a receiver in the car. It then sends a signal to the engine control unit (ECU) to turn on the ignition and start the car. A key fob isn't only a security tool but can also be used to unlock your doors and open the windows and sunroof. car smart key can also be used to switch off the immobilizer which disables your car's engine when the key is removed from the ignition. Some of the more complex varieties of chip keys have multiple levels of security features. GM's VATS key has an anti-theft feature which stops the car from starting in the event that you use the incorrect key. This is achieved by using a resistor that is one of 15 preset resistors in the key. If you're unable locate your smart key or is lost, obtaining a replacement from the dealer might be a good alternative. This could be expensive and you may need to pay a locksmith a dealer in your car to reprogram the new key. Smart Keys Smart keys are now offered by a number of car manufacturers. The days of pressing a keyhole and playing around with the keyhole are gone. These keys look more like plastic cards, and they have an electronic sensor which connects to the car's computer. They can unlock your car, open the doors, and start the ignition without the physical car keys. The first versions of these keys required drivers to insert them into a slot in which computers onboard would be able to verify the signal. The most recent RFID technology allows cars to be opened and started without having a slot. You only need to have the key within 1.5 meters. Additionally smart keys will inform you in advance when the battery is running low. You can either buy an additional key from a locksmith or follow the instructions in the owner's manual to replace it. You can get an alternative smart factory key by calling or looking through the inventory of the dealer. You can also purchase a compatible aftermarket car keys from a retailer for parts for those who require one as a spare. It can be paired with your current key to save dealer charges. You can then use it as a backup key in the event that you lose your main key. Smart Key Replacement Many newer vehicles come equipped with smart keys that can unlock doors and start the engine, as well as perform other functions without a driver needing to physically touch or even hold their key fob. These keys communicate via antennas that detect and identify the exact signal from the key fob. The convenience of a smart key for cars is the main benefit. It makes it less difficult to fiddle around with keys as you exit the driveway. This can cause drivers to lock themselves out of the vehicle. It makes the process of starting and entering the vehicle much faster, as it eliminates the need to search for and press buttons on the traditional remote. Another benefit of having a smart key is its enhanced security. While other keys can emit the same frequency signal as yours smart keys emit an exclusive encrypted signal making it much more difficult for thieves with the right technology to get the same signal. Smart keys, however, can, break or become lost just like any other kind of car key. Locksmiths can replace yours. They can reprogram a new fob to connect to your car's system so that you can lock and start it again. All they need is a replacement battery. To replace the battery on your smart key fob, simply open it and remove the old one. Then, insert the new one into the same holder, making sure to match every edge to the fob to make sure it's in a straight line at all points.