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Vehicle Smart Key Technology The smart key technology in vehicles enables drivers to unlock and start their car by simply touching the door handle or putting the key in the pocket. It also enables a range of other adjustments, like seat positions and temperature settings inside the car, mirror positioning and stereo presets. However, this could also create security concerns. Security Smart keys are computerized key fobs that communicate with vehicles through an embedded antenna. It can unlock doors and begin the motor. Smart keys, unlike traditional keys that emit the same frequency each time they're pressed, send encrypted signals that are only compatible with the specific car to which they belong to. This makes it more difficult for tech-savvy criminals to spoof or intercept the signal and use your key to steal your car. For example, Mercedes' system -known as Keyless Go — has an internal transponder that can identify the key of the driver. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also turns on the engine by pressing a button on its key. Certain smart keys, like the ones from BMW and Mercedes-Benz, also come with user-specific settings that permit drivers to alter the seat, mirrors and steering wheel's position and audio preferences at the touch of a single button. They also come with an emergency lock that stops the vehicle from starting if it is not connected to the key. This technology prevents drivers from accidentally locking their cars, especially when searching through a purse or backpack to locate keys in a parking space filled with strangers or on an area with high crime rates. Many systems will also inform drivers when the battery of their key is low, though this feature varies by the manufacturer. Convenience The smart key is perfect for those who are in a rush to get to their destination. By pressing the button on your trunk release lever or door handle, you can unlock, lock and start your vehicle. The key fob will interact with your phone to track charging and location as well as other information about the vehicle, says Popular Mechanics. One of the biggest advantages is that you can't accidentally lose your keys. The key fob communicates to an antenna inside the vehicle to determine whether it is within range. If it's not, the engine will not start. This will deter thieves from taking your vehicle and then selling its parts. The smart key also employs rolling codes to deter hacking attempts as well as cloning, according BMW. The computer inside the vehicle reads the code and verifies it before starting the engine. The majority of systems have a mechanical backup in the form of a hidden key blade. How Stuff Works Electronics notes that modern smart keys be able to detect keys when it is in use and adjust the vehicle settings accordingly. For example, if you turn on the car holding the key fob in your hand the windows and sunroof can be opened to let the cabin air dry. You can also set up a speed limit which will only be applied when the car is powered by the chosen key. This feature is useful if you're loaning your vehicle to a person who is not experienced. 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 you need to press and hold the lock button while pressing the unlock button. This will stop your smart key fob's smart device from being able to transmit or receive radio waves. This will dramatically extend the life of your battery. You can always activate the function by pressing both the unlock and lock button again. Some smart keys have anti-theft capabilities that prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized access to the vehicle. When the smart key is inserted into the ignition, a computer in the car checks the code in milliseconds before starting the engine. BMW uses a similar method with its Display Key, which comes with a small LCD color touchscreen on the smart key to make it easier and lets drivers lock or unlock their cars without ever removing it from their pockets. Contact us at Pop-A Lock if you require to replace the battery in your smart key fob or considering buying a car with a smart-key. vehicle smart key can replace the battery on any smart key and our mobile locksmiths are able to help you set it up so that your car can recognize it. Special Cases While smart keys aren't safe from theft, they do assist to stop thieves. Smart keys are designed to deter hackers from gaining access to the system. When they are inserted into the ignition of the vehicle, the computer verifies the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by a number of luxury car brands. A smart key system will continue to function even if you lose the key in your trunk or leave it at a restaurant. Certain systems will notify the driver when the battery is depleted. Certain brands provide key covers that are specifically designed for smart keys to protect the fob from damage.