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Vehicle Smart Key Technology The technology of smart keys in vehicles allows drivers to unlock and start their vehicle by simply rubbing the door handle, or putting the keys in the pocket. It also allows for a variety of other adjustments like seats positions, internal temperature settings, stereo presets and mirror positions. This can also lead to security concerns. Security Smart keys are key fobs that are computerized which communicate with the vehicle through an embedded antenna. It can unlock doors and begin the motor. Smart key fobs, in contrast to conventional keys that emit the same frequency each time they're pressed, send encrypted signals which are only compatible with the particular car to which they belong to. This makes it difficult for thieves with the latest technology to steal or spoof the signal and use the key to take your car. For instance, Mercedes' system — called Keyless Go — has an internal transponder which can identify the key of the driver. When the Smart Key comes within 1.5 meters of a vehicle, it automatically unlocks the door and tailgate, and the engine starts when a button on the key is hit. Some smart keys, such as the ones made by BMW, also have user-specific settings. These allow users to alter the seat, mirrors and steering wheel's position and even audio preferences with the click of a button. They also come with an emergency lock that stops the vehicle from running without the key. This technology can prevent drivers from locking their cars, especially when searching through a purse or backpack to locate keys in a parking space packed with people or on a busy street with high crime rates. Many systems will also alert drivers when the battery of their key is low, though this feature can vary by manufacturer. Convenience The smart key is ideal for those who are on the move and need to get somewhere. You can lock, unlock and start your car by pressing a button on the door handle or the trunk release. The key fob will communicate with your smartphone to keep track of charging, location and other data regarding the vehicle, as explained by Popular Mechanics. It isn't safe to lock your keys inside the car. The key fob communicates with an antenna in the vehicle to determine whether it's in range. If it's not in range, the engine will not start. This can deter thieves who would take your vehicle and sell its parts. The smart key also employs rolling codes to prevent hacking attempts and cloning, according to BMW. The computer inside the vehicle is able to recognize and verify the code before starting the motor. Many systems also have a mechanical backup in the form of an unnoticed key blade to be used for styling purposes. Modern smart keys also recognize the type of key being used and adjust the vehicle settings in accordance with the key's use, according to How Stuff Works Electronics. For instance, if you switch on the car while holding the key fob in your hand, the windows and sunroof open to ventilate the cabin. smart keys for cars G28CarKeys can also set up an automatic speed limit that will only be applied when the vehicle is powered by the selected key. This feature could be beneficial if you're lending your vehicle to a person who has no prior experience. Battery Life If you're looking for a way to get more mileage out of your vehicle's smart key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto manufacturer-specific feature called Power Saving Mode. To activate it, press down the lock button and press the unlock button. This will prevent your smart key fob's smart device from being able to transmit or receive radio waves. This will significantly increase the life of its battery. You can always restart this function by pressing the unlock and lock buttons once more. Certain smart keys come with anti-theft features that stop them from being stolen by thieves. Mercedes-Benz smart keys employ rolling codes to block the unauthorized access. When a smart key is put in the ignition, a computer within the car confirms the code in milliseconds, before starting the engine. BMW makes use of a Display Key with a small LCD color screen. This lets drivers lock their vehicles, unlock them, and start them without taking the smart key from their pockets. If you're considering buying the latest car equipped with a smart key, or if you require the battery in your smart key fob replaced, call us at Pop-Alock for a quick and simple service. We can replace the battery in any smart key and our mobile locksmiths will help you set the system so that your vehicle recognizes it. Special Cases Smart keys are not 100 100% safe from theft, but they can help deter thieves. Smart key fobs are designed to prevent hackers from hacking the system. When placed in the ignition of the car the computer checks the code in milliseconds. Mercedes-Benz invented this technology, which is currently utilized by luxury car brands. A smart key system will continue to function even if you lose the key in the trunk or leave it in an establishment. Certain systems will also inform the driver when the battery is low. Some brands offer key covers specifically designed for smart keys that protect the fob from harm.