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Vehicle Smart Key Technology The smart key technology in vehicles enables drivers to unlock and start their vehicle by simply touching the door handle or placing the key into the pocket. It also permits various other adjustments including the position of the seat and internal temperature settings as well as mirror positioning. This can also cause security worries. Security Smart keys are sophisticated electronic keys that communicate with a vehicle through one of the antennas that are embedded in the vehicle to open the doors and start the engine. Unlike Find Out More , which emit the same frequency signal every time they are activated, smart keys transmit encrypted signals that only match the car they belong to. This makes it harder for thieves with advanced technology to spoof or intercept the signal and use your key to steal your car. For instance, Mercedes' system -known as Keyless Go — has an internal transponder, which identifies the driver's keys. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing a button on its key. Certain smart keys, like the ones made by BMW additionally have user-specific settings. These allow drivers to alter the seat, mirrors and the steering wheel's position and even audio preferences with the touch of a single button. They also come with the backup lock, which stops the car from starting without the key in the ignition. This technology prevents drivers from getting their car locked accidentally especially when looking in a purse or a backpack for keys on an open parking lot with people who are not familiar with the area or where crime is high. A lot of systems will alert drivers if the key battery is low, but this feature may differ from manufacturer to manufacturer. Convenience If you're in a hurry to get somewhere the smart key makes getting into your car as easy as it can be. By pressing the button on your trunk release or door handle you can lock, unlock and open your vehicle. The key fob will interact with your phone to keep track of charging, location and other information about the vehicle, explains Popular Mechanics. One of the biggest advantages is that you won't accidentally get locked out. The key fob communicates with an antenna in the vehicle to determine whether it is within the range. If it's not in range, the engine will not start. This can deter thieves who may steal your vehicle to sell the parts. The smart key also uses rolling codes to ward off hacking attempts as well as cloning, according BMW. The vehicle's computer is able to recognize and verify the code prior to starting the motor. Most systems come with a mechanical back-up in the form an invisible key blade. Modern smart keys also know which keys are in use and adjust the vehicle settings as needed, according to How Stuff Works Electronics. For instance, if you turn on the car holding the key fob in your palm, the windows and the sunroof are opened to ventilate the cabin. You can also set the speed limit to only be applied when the vehicle is started using the selected key, a feature that can be useful when loaning 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, hold the lock button until you release it and press the unlock button. This will disable your smart key fob from transmitting or receiving radio signals and will increase the battery's life by a significant amount. You can always reactivate the function by pressing the unlock and lock button again. Certain smart keys also have anti-theft features to prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to vehicles. When a smart key is inserted in the ignition, a computer inside the car checks the code in milliseconds before beginning the engine. BMW makes use of a Display Key with a small LCD screen with a color. This lets drivers lock their cars, open their doors, and start them without removing the smart key from their pocket. If you're considering buying a new car with a smart key, or you need the battery of 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 are able to help you set it up so that your vehicle can recognize it. Special Cases Smart keys aren't% theft-proof but they can aid in deterring thieves. Smart key fobs are designed to keep hackers from hacking the system. When placed in the ignition of the car the computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is currently used by a number of luxury car brands. Another useful feature is that most smart key systems will continue to function in the event that the user forgets the key in the trunk or left it in a restaurant or lost it on a hike. Some systems will alert the driver when the battery is not fully charged. Certain brands also offer key covers specifically designed for smart keys to keep the key safe from damage.