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Vehicle Smart Key Technology Smart keys in vehicles allow a driver to unlock and start the car simply by touching the door handle or putting the key in the pocket. It also allows for various other adjustments, including the position of the seat the internal temperature setting and mirror position. However, this could lead to security concerns. Security Smart keys are highly sophisticated key fobs that are computerized and communicate with the vehicle using one of the antennas that are embedded in the vehicle to unlock the doors and to start the engine. As opposed to traditional keys, which emit the identical frequency signal each time they are activated, smart keys transmit encrypted signals that are specific to the specific vehicle they belong to. This makes it much more difficult for tech-savvy thieves to spoof or intercept the signal and use the key to take your car. For instance, Mercedes' system — called Keyless Go — has an internal transponder that identifies the driver's keys. 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. Some smart keys, such as the ones from BMW are also equipped with user-specific settings that permit users to alter the mirrors, seat and the steering wheel's position and even audio preferences with the push of a button. smart car key case come with the backup lock, which prevents the vehicle from starting without the key in the ignition. This technology stops drivers from being unable to lock their vehicle particularly when they are searching a purse or a backpack to find keys in a parking lot with strangers or a busy street where crime is high. Many systems will also alert motorists when the battery for their key is depleted, though this feature varies by manufacturer. Convenience If you're in a hurry get somewhere the smart key makes entering your vehicle as simple as it can be. You can lock, unlock and start your car by pressing the door handle or trunk release. The key fob can also communicate with your smartphone to keep track of charging and location as well as other information about the vehicle, explains Popular Mechanics. One of the biggest advantages is that you aren't able to accidentally get locked out. The key fob communicates with the antenna inside the vehicle to determine if it's within range. If not, the engine will not start. This will deter thieves who would steal your car to sell the parts. BMW reports that the smart key employs rolling codes as well to stop cloning and hacking. The computer inside the vehicle detects and validates the code prior to starting the motor. Most systems have a physical backup in the form of an invisible key blade. How Stuff Works Electronics notes that modern smart keys also detect when the key is when it is in use and adjust the vehicle settings accordingly. If you turn on your vehicle while holding the key in your hand, for example, the windows and the sunroof will open to allow air circulation to the interior. You can also set up an automatic speed limit that will only be activated when the vehicle is powered by the selected key. This feature could be beneficial if you're lending your car to a driver who has no prior experience. 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 do this, hold the lock button down and then press the unlock button. This will block your smart key fob's ability to send or receiving any radio signals that could extend its battery life significantly. 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 stolen by thieves. Mercedes-Benz smart key uses rolling codes to stop unauthorized access. The computer in the car is able to verify the code within milliseconds following the smart key is introduced. BMW makes use of a Display Key that has a tiny LCD screen with a color. This allows drivers to lock their vehicles, unlock their doors, and start the engine without having to take the smart key from their pockets. Contact us at Pop-A Lock if you require to replace the battery on your smart key fob or if you are thinking of purchasing a car that has a smart-key. We can replace the battery on any smart key and our mobile locksmiths are able to assist you in setting the system to make sure your vehicle recognizes it. Special Cases Smart keys aren't 100% safe from theft, but they can help deter thieves. Smart keys employ rolling security codes to protect against the hacking of keys, and when they are placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was developed by Mercedes-Benz and is now used by many automobile brands that are luxury. Another useful feature is that the majority of smart key systems will continue to function in the event that the user forgets the key in the trunk or left it in the restaurant or if it is lost during an excursion. Some systems will alert the driver when the battery is depleted. Certain brands also offer key covers specifically designed for smart keys that protect the fob from harm.