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Vehicle Smart Key Technology The technology of smart keys in vehicles enables drivers to unlock and start their vehicle by simply rubbing the door handle or putting the keys in the pocket. It also permits a variety of other adjustments, like the position of seats as well as internal temperature settings stereo presets and mirror positions. This can also cause security concerns. Security Smart keys are sophisticated computerized key fobs that communicate with the vehicle using one of the car's embedded antennas to open doors and to start the engine. In contrast to conventional keys that emit the same frequency signal every time they are press, smart key fobs transmit encrypted signals that only match the car they belong to. This makes it harder for tech-savvy criminals to intercept or fake the signal and use your key to steal your vehicle. For instance, Mercedes' system -known as Keyless Go — has an internal transponder that can identify the key of the driver. When the Smart Key comes within 1.5 meters of a car it instantly unlocks the door and tailgate and starts the engine when a button on the key is hit. Certain smart keys, like the ones from BMW and Mercedes-Benz, also come with user-specific settings that permit the driver to alter the seat, mirrors and the steering wheel's position and audio preferences with the push of a button. They also have a backup lock, which prevents the vehicle from starting without the key in the ignition. This technology prevents drivers from not locking their cars properly particularly when they are searching backpacks or purses for keys on parking lots with strangers or a busy street where crime is high. Many systems will also alert drivers if the key battery is low, but this feature may differ from manufacturer to manufacturer. Convenience The smart key is ideal for those who are on the move and need to get to their destination. G28CarKeys can lock, unlock and start your car by pressing a button on the door handle or the trunk release. Key fobs can also communicate with your smartphone to track charging and location as well as other information about the vehicle, explains Popular Mechanics. One of the biggest advantages is that you don't be locked out. The key fob connects to an antenna inside the vehicle to determine whether it's within range. If it's not, the engine won't start. This is a deterrent to thieves who might take your vehicle and sell its parts. BMW reports that the smart key utilizes rolling codes in order to stop cloning and hacking. The computer inside the vehicle can recognize and verify the code before starting the motor. Many systems also have a backup mechanical system in the form of the key blade, which is hidden to serve as a styling tool. Modern smart keys can also tell which keys are in use and adjust the car settings as needed, according to How Stuff Works Electronics. If you switch on the vehicle while holding the key in your hand for instance, the windows and the sunroof can be opened to allow fresh air to enter the interior. You can also set the speed limit which will only be applicable when the vehicle is started with the selected key, which 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 prevent your smart key fob from transmitting or receiving radio signals, which will extend its battery's life considerably. You can always restart this feature by pressing the unlock and lock buttons again. Certain smart keys have anti-theft features that stop them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorized vehicle access. When the smart key is inserted into the ignition, a computer within the car validates the code in milliseconds prior beginning the engine. BMW uses a similar method with its Display Key, which features a small LCD color touchscreen on the smart key for added convenience, and enables drivers to lock and unlock their cars without ever removing the key from their pockets. If you're thinking about buying an automobile with a smart key, or you need the battery of your smart key fob changed, contact us at Pop-A Lock to get a quick and easy service. We can replace the battery in any smart key, and our mobile locksmiths will help you set it up so that your car can recognize it. Special Cases While smart keys aren't theft-proof, they do help to deter thieves. Smart key fobs are designed to stop hackers from hacking the system. When they are inserted into the ignition of the car, the computer verifies the code in milliseconds. This technology was developed by Mercedes-Benz and is now used by many automobile brands that are luxury. A smart key system will continue to work even if you forget the key in your trunk or leave it at a restaurant. Certain systems will also inform the driver if the battery is low. Certain brands have key covers specifically designed for smart keys that protect the fob from harm.