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Vehicle Smart Key Technology The technology of smart keys in automobiles allows drivers to open and start their vehicle by simply pressing the door handle, or placing the key into the pocket. It also allows a variety of other adjustments like seating positions and internal temperature settings, mirror position and stereo presets. This can also lead to security concerns. Security Smart keys are key fobs that are computerized that communicate with vehicles via an embedded antenna to unlock doors and activate the motor. Smart key fobs, unlike traditional keys, which emit the same frequency every time they're pressed, send encrypted signals which are only compatible with the vehicle to which they belong. This makes it difficult for criminals with a technological edge to spoof or intercept the signal and use your key to steal your vehicle. Mercedes' Keyless Go system, for example, has an internal transponder which identifies the key of the driver. When the Smart Key comes within 1.5 meters of a vehicle it automatically unlocks the door and tailgate and starts the engine when a button on the key is activated. Furthermore smart key repair G28CarKeys as those from BMW come with individual user settings that let the driver adjust the seat, mirrors and the position of the steering wheel as well as audio preferences with the click of one button. They also come with the backup lock, which stops the vehicle starting without the key. This technology stops drivers from getting their car locked accidentally, especially when searching in a purse or a backpack for keys in the parking lot of strangers or on a busy street where crime is high. Many systems also alert drivers when their keys are running low on battery, but this feature is different for each manufacturer. Convenience If you're in a hurry to get to a place the smart key makes entering your vehicle as simple as possible. You can unlock, lock and start your car by pressing a button on 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. A big benefit is that you can't accidentally be locked out. The key fob communicates to an antenna inside the vehicle to determine whether it's within the range. If it's not, the engine won't start. This can deter thieves who may steal your car to sell its parts. The smart key uses rolling codes to deter hacking attempts and cloning, says BMW. The computer in the vehicle is able to recognize and verify the code prior to starting the motor. Most systems have a mechanical back-up in the form an invisible key blade. How Stuff Works Electronics notes that modern smart keys can also detect when the key is in use and adjust vehicle settings accordingly. For example, if you start the car while holding the key fob in your hands the windows and the sunroof are opened to let air circulate through the cabin. You can also set a speed limit that will only be applied when the vehicle is started using the specified key, which could be useful if you loan your car to a novice 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 you need to press and hold the lock button while pressing the unlock button. This will prevent your smart key fob to transmit or receive radio waves. This will significantly extend the life of your battery. You can always activate this feature by pressing the unlock and lock buttons again. Certain smart keys have anti-theft functions that prevent them being stolen by thieves. Mercedes-Benz smart keys utilize rolling codes to stop access by anyone who is not authorized to use it. The car's computer will check the code every millisecond after the smart key is placed. BMW uses a Display Key with a small LCD screen with a color. This allows drivers to lock their cars, open them, and start the engine without having to take the smart key from their pocket. Call Pop-A-Lock if you need to replace the battery in your smart key fob, or should you be thinking of purchasing a vehicle with a smart-key. We can replace the battery in any smart key and our mobile locksmiths can assist you in setting it up so that your vehicle can recognize it. Special Cases Smart keys aren't 100 100% theft-proof, but they assist in preventing thieves. Smart keys are designed to prevent hackers from hacking into the system. When they are inserted into the ignition of the car the computer validates the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by many automobile brands that are luxury. Another helpful feature is that most smart key systems will continue to operate even if the user has forgotten the key in the trunk or left it in the restaurant, or lost it on an excursion. Certain systems will also inform the driver if the battery is low. Certain brands provide key covers specifically designed for smart keys. They protect the fob from harm.