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Smart Car Key Replacement Smart keys are the next step in the field of car key technology. These keys can unlock your doors and start your car with a simple push of a button. They can be more expensive than standard keys and are harder to replace. You can get a new smart car key from your dealership or a professional locksmith. Both are the same, but provide different services. Keyless Entry System The keyless entry feature of your car gives you a higher level of security that enables you to unlock your car and start it without removing the key from your pocket. This is accomplished by sending a wireless signal to a receiver that is integrated into the interior of your car. The receiver then activates the doors and starts your engine. The key fob is an electronic chip that has an identifier unique to it and is connected to the car's receiver. When you turn your key in the ignition and the matched pair signals that you are in close proximity to the car. The car will then open the door or start the engine. It can be a challenge to get your smart key replaced in the event that you lose it. You will often need to visit your dealer in order to verify ownership. smart fortwo key fob can then pair a new key with your car. In certain modern vehicles, it is possible to make use of an application to replace the key fob. These systems, also called “keyless entry”, can be used to start and open the vehicle as also to lock or unlock the doors. This kind of system is available as an upgrade to your factory remote, or as part of a security package that is customized. This system is also popular at commercial buildings and apartment complexes. Transponder Keys This is a key that has embedded microchip. The chip emits an activation signal when it is close to the ignition. This makes it impossible for anyone without the original key to start your car, helping to prevent auto theft. The microchip is a digital serial code that authenticates the key. When the key is located close to the ignition, the chip sends an low-level radio signal which a special receiver inside the car detects. It then sends a signal to the engine control unit (ECU) to activate the ignition and begin the car. Aside from having the security benefit keys can also open your door locks and let you open the windows and sunroof. It can also be used to switch off your immobilizer that stops the engine of your car when the key is taken out of the ignition. Certain chip keys are more complex and have multiple levels of security. For example, the VATS keys from GM come with an anti-theft system that stops your car from starting if the wrong key is used. This is achieved by using an resistor that has one of the 15 preset resistances within the key. If you are unable to locate your smart key or it is lost, getting replacement keys from a dealer may be a good alternative. It could be costly and you may have to pay a locksmith a dealer in your car to reprogram the new key. Smart Keys Keys The days of fiddling with the keyhole or pressing a button are long gone – a few car manufacturers now offer smart keys as an option. These keys are shaped like plastic cards, and include an electronic sensor that connects to the computer in your vehicle. They can unlock your car, unlock the doors and 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 where an onboard computer could verify the signal. However, the newest RFID technology makes it possible to start and open cars without the need for a slot. You only need to have the key within 1.5 meters. Additionally, smart keys will alert you in advance when the battery is not fully charged. You can then either buy a replacement from a locksmith or follow the instructions in the owner's guide to replace it yourself. You can get 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 extra. They can usually connect it to your existing key to avoid a costly dealer fee. You can then use it as a backup in the event that you lose your primary key. Smart Key Replacement A lot of newer cars are equipped with smart keys that unlock doors, start the engine and perform other functions without a driver having to physically touch or even hold their key fob. The keys communicate with the car's antennas which detect and recognize an exact signal from the key fob. The convenience of a smart key for cars is the most obvious benefit. It eliminates the need for drivers to struggle with their keys while pulling out of their driveways, which can cause them to lock themselves out. It makes the process of entering and starting the vehicle much faster, as it eliminates the need to find and push buttons on the traditional remote. Another benefit of a key is the added security. Smart keys emit an unique encrypted signal that is not identical to other key fobs. This makes it much more difficult for thieves to copy your signature. However, just like other type of car key smart keys can become damaged or lost. Fortunately, a locksmith can help you replace yours. They can reprogram the new fob to connect to the computer in your car so that you can lock it and then start it. All they need is a new battery. Open the smart key fob and then take out the old battery. Place the new battery in the same holder. Make sure that the edges of the key fob are flush.