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Vehicle Smart Key Technology Smart keys for vehicles allow a driver to unlock and start the car simply by pressing the door handle or placing the key in the pocket. It also permits a variety of other adjustments like seat positions, internal temperature settings, mirror position and stereo presets. This can also lead to security concerns. Security Smart keys are computerized key fobs that communicate with the vehicle via an embedded antenna to unlock doors and begin the motor. In contrast to conventional keys that emit the same frequency signal each time they are activated, smart keys transmit encrypted signals that are specific to the car they belong to. This makes it harder for thieves with advanced technology to spoof or intercept the signal and use your key to steal your vehicle. For instance, Mercedes' system -known as Keyless Go — has an internal transponder, which 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 begins the engine by pressing a button on its key. Some smart keys, such as the ones from BMW, also have user-specific settings, which allow drivers to alter the mirrors, seat, steering wheel position, and even audio preferences with the push of a button. They also come with a backup lock that prevents the vehicle from running without the key. This technology protects drivers from accidentally locking their vehicles particularly when they are searching bags or purses for keys in the parking lot of strangers or a busy street where crime is high. A lot of systems will also notify drivers when their keys are not fully charged, however this feature varies by manufacturer. Convenience The smart key is perfect for those who are in a hurry to get to their destination. By pressing the button on your trunk release or door handle you can unlock, lock and open your vehicle. The key fob will communicate with your smartphone to track charging, location and other data about the vehicle, according to Popular Mechanics. You don't want to accidentally lock your keys in the car. The key fob communicates with the antenna inside the vehicle to determine whether it's in range. If it's not, the engine won't not start. This can deter thieves who would 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 within the vehicle is able to recognize the code and confirms it prior to launching the engine. A majority of systems also have a mechanical backup that is a key blade that's hidden to enhance the appearance of the. Modern smart keys also know which key is in use and adjust the vehicle settings in line with the use of the key, says How Stuff Works Electronics. For instance, if you switch on the car while holding the key fob in your hand, the windows and sunroof will open to let the air in the cabin breathe. You can also set a speed limit that will only be in effect when the vehicle is powered by the chosen key. This feature is beneficial if you're lending your car to someone with no 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 make sure you press and hold the lock button while pressing the unlock button. This will make it impossible for your smart key fob from being able to send or receive any radio waves. This will significantly extend the battery's life. You can always activate the function by pressing both the unlock and lock button again. Certain smart keys come with anti-theft features to prevent them from being stolen by thieves. Mercedes-Benz smart keys use rolling codes to block access by anyone who is not authorized to use it. The computer in the car is able to verify the code within milliseconds following the smart key is put in. BMW offers a similar system with its Display Key, which comes with an LCD touchscreen on the smart key for convenience and enables drivers to lock and unlock their vehicles without ever taking the key from their pockets. Contact us at Pop-A Lock if you require to replace the battery on the smart key fob you have or should you be thinking of purchasing a car that has a smart-key. smart car replacement key can replace the battery of any smart key, and will help you set it so that your car recognizes it. Special Cases While smart keys aren't safe from theft, they do assist to hinder thieves. Smart key fobs are designed to prevent hackers from hacking into the system. When they are placed in the ignition of the car the computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by a variety of automobile brands that are luxury. Another helpful feature is that the majority of smart key systems will continue to operate if the user forgot the key in the trunk or left it in an eatery or lost it on hiking. Some systems will also notify the driver if the battery is depleted. Certain brands have key covers specifically designed for smart keys that ensure that the fob is protected from harm.