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Vehicle Smart Key Technology The smart key technology in automobiles allows drivers to open and start their car by simply touching the door handle, or placing the key into the pocket. It also permits a variety of other adjustments, including the position of the seat, internal temperature settings and mirror position. This could also create security issues. Security Smart keys are key fobs that are computerized that communicate with the vehicle through an embedded antenna to unlock doors and begin the motor. As opposed to traditional keys, which emit the identical frequency signal each time they are activated, smart keys transmit encrypted signals that are specific to the specific vehicle they belong to. This makes it difficult for thieves with a technological edge to fake or intercept the signal and use the key to steal your car. For instance, Mercedes' system -known as 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 tailgate and door and starts the engine when a button on the key is activated. Additionally some smart keyslike those made by BMW come with individual user settings that allow the driver to adjust seat, mirrors and steering wheel position and audio preferences at the touch of one button. They also have the backup lock, which stops the car from starting if the key is not in the ignition. This technology prevents drivers from accidentally locking their car, especially when they are rummaging through their purses or backpack for keys in a parking space filled with strangers or on a busy street with high rates of crime. A lot of systems will also notify drivers when keys are in danger of being depleted, though this feature is dependent on the manufacturer. Convenience If you're in a hurry to get to a place, the smart key makes entering your car as easy as possible. You can unlock, lock and start your car by pressing the door handle or trunk release. Popular Mechanics explains that the key fob can also be used for tracking charging locations, charging, and other vehicle information. You can't accidentally lock your keys inside the car. The key fob is connected to an antenna in the vehicle to determine whether it is within range. If it's not, the engine won't start. This will deter thieves from taking your vehicle and then selling its parts. The smart key uses rolling codes to deter hacking attempts and cloning, according to BMW. smart forfour key programming within the vehicle recognizes the code and validates it prior to starting the engine. The majority of systems have a mechanical backup system in the form of a hidden key blade. Modern smart keys can also tell the type of key being used and adjust the vehicle settings accordingly, notes How Stuff Works Electronics. If you turn on the vehicle while holding the key in your hand for instance windows and the sunroof will open to allow air circulation to the interior. You can also set the speed limit which will only be applied when the vehicle is started using the chosen key, which could be helpful when lending your car to an inexperienced driver. 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 from having to send or receive any radio waves. This will significantly extend the battery's life. You can always reactivate the function by pressing both the lock and unlock buttons again. Certain smart keys have anti-theft features that prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized access to the vehicle. When a smart key is put in the ignition, a computer in the car validates the code in milliseconds, before it starts the engine. BMW uses a Display Key with a small LCD color screen. This lets drivers lock their cars, open their doors, and start them without having to remove the smart key from their pocket. If you're thinking about buying a new car that has a smart key, or require the battery in your smart key fob replaced, call us at Pop-Alock for a fast and easy service. We can replace the battery on any smart key and our mobile locksmiths can help you set the system so that your car can recognize it. Special Cases While smart keys aren't secure against theft, they can help to stop thieves. Smart keys use rolling security codes that prevent the hacking of keys, and when they are placed in the ignition, the vehicle's computer can verify the code within milliseconds. This technology was developed by Mercedes-Benz and is currently used by a number of premium car brands. Another great feature is that the majority of smart key systems will continue to function even if a user forgot the key in the trunk or left it in a restaurant or lost it on hiking. Certain systems will notify the driver when the battery is depleted. Certain brands have key covers specifically made for smart keys that keep the fob protected from damage.