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Vehicle Smart Key Technology The smart key technology in vehicles allows drivers to unlock and start their vehicle by simply pressing the door handle or placing the key into the pocket. It also allows for a variety of other adjustments such as seat position, internal temperature settings and mirror positioning. This could also create security worries. Security Smart keys are advanced key fobs that are computerized and communicate with the vehicle using one of the antennas built into the car to open doors and to start the engine. Contrary to conventional keys, which emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that are only compatible with the specific vehicle they belong to. This makes it much more difficult for hackers with the latest technology to intercept or spoof the signal, and use your key to steal your car. Mercedes' Keyless Go system, for example, has an internal transponder, which can identify the driver's key. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also starts the engine by pressing the key. Certain smart keys, like the ones from BMW, also have user-specific settings, which allow the driver to adjust the mirrors, seat and steering wheel's location and even the audio settings with the push of a button. They also have an emergency lock that will stop the car from starting if the key is not in the ignition. This technology helps keep drivers from accidentally locking their cars, especially when they are rummaging through their purses or backpack to find keys in a parking area packed with people or on an area with high rates of crime. Many systems also notify motorists when their keys are running low on battery, but this feature is dependent on the manufacturer. Convenience The smart key is ideal for those in a rush to get to their destination. You can unlock, lock and start your car by pressing a button on the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used for tracking charging location, charging status, and other vehicle information. You can't accidentally lock your keys inside the car. The key fob communicates with an antenna within the vehicle to determine if it's within range. If not, the engine will not start. This can deter thieves who could take your vehicle and sell its parts. The smart key also uses rolling codes to protect against hacking attempts as well as cloning, according BMW. A computer in the vehicle detects the code and confirms it prior to starting the engine. Most systems also have a mechanical backup in the form of a key blade that's hidden to serve as a styling tool. Modern smart keys also know which key is in use and adjust the car settings in line with the use of the key, says How Stuff Works Electronics. If you start the vehicle while holding the key in your palm, for example the windows as well as the sunroof will open to ventilate the interior. You can also set up a speed limit that will only be in effect when the vehicle is powered by the specified key. This feature can be useful when you lend your car to someone 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, hold the lock button until you release it and press the unlock button. This will prevent your smart key fob from having to send or receive any radio waves. This will significantly increase the battery's life. You can always reactivate this feature by pressing the unlock and lock buttons again. Certain smart keys come with anti-theft functions that prevent them being copied by thieves. Mercedes-Benz smart keys employ rolling codes to stop access by anyone who is not authorized to use it. When a smart key is inserted in the ignition, a computer within the car confirms the code in milliseconds prior to starting the engine. BMW offers a similar system with its Display Key, which includes a small LCD color touchscreen on the smart key for added convenience and enables drivers to lock, unlock, and start their cars without ever removing it from their pockets. If you're thinking about buying the latest car equipped with a smart key, or if you require the battery in your smart key fob replaced, call Pop-A-Lock for a quick and simple service. Our mobile locksmiths can replace the battery on any smart key and help you set it so that your car can recognize it. Special Cases Smart keys are not 100 100% safe from theft, but they can help deter thieves. Smart keys employ rolling security codes to protect against hackers, and when put in the ignition, the vehicle's computer verifies the code within milliseconds. smart key for car -Benz developed this technology, which is now 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 at an establishment. Certain systems will also inform the driver when the battery is depleted. Some brands offer key covers specifically designed for smart keys. They ensure that the fob is protected from damage.