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Vehicle Smart Key Technology The smart key technology that is found in vehicles allows drivers to unlock and start their vehicle by simply touching the door handle or putting the key in the pocket. It also enables a range of other adjustments, such as seats positions and internal temperature settings, stereo presets and mirror positions. This can also cause security concerns. Security Smart keys are advanced computerized key fobs that communicate with vehicles via one of the car's embedded antennas to open the doors and begin the engine. In contrast to conventional keys that emit the same frequency signal each time they are used, smart keys transmit encrypted signals that are only compatible with the car they belong to. This makes it harder for thieves who are tech-savvy to spoof or intercept the signal and use the key to steal your car. For instance, Mercedes' system — called Keyless Go — has an internal transponder that identifies the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle, it automatically unlocks the tailgate and door and starts the engine when the key's button is press. Additionally there are smart keys thatsuch as those from BMW include individual user settings that allow the driver to adjust seat, mirrors and the steering wheel's position as well as audio preferences at the push of a button. They also come with a backup lock that blocks the vehicle from starting if it is not connected to the key. This technology helps keep drivers from locking their cars, especially when searching through a purse or backpack to find keys in a parking lot filled with strangers or on an area with high rates of crime. Many systems will also alert drivers when the battery in their keys is low, but this feature varies from manufacturer the manufacturer. Convenience If you're in a hurry get to a place the smart key makes getting into your car as simple as possible. By pressing the button on the trunk release or door handle, you can unlock, lock and begin your vehicle. Popular Mechanics explains that the key fob can also be used for tracking charging, location, and other information about your vehicle. You can't accidentally lock your keys inside the car. The key fob communicates to an antenna inside the vehicle to determine whether it's within the range. If not, the engine will not start. This will stop thieves from the vehicle and stealing its parts. BMW reports that the smart key makes use of rolling codes in order to protect against hacking and cloning. The vehicle's computer recognizes and verifies the code prior to launching the motor. The majority of systems have a mechanical backup system that is a key blade hidden in the. Modern smart keys can also tell the type of key being used and adjust the car settings accordingly, notes How Stuff Works Electronics. For instance, if you turn on the car holding the key fob in the palm of your hand, the windows and sunroof open to let the cabin air dry. You can also set up the speed limit to only be used when the vehicle is powered by the specified key. This feature can be useful if you're loaning your vehicle to a person who has little 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 activate it make sure you press and hold the lock button while pressing the unlock button. This will stop your smart key fob from having to send or receive any radio waves. This will dramatically extend its battery life. You can always activate this feature by pressing the unlock and lock buttons once more. Some smart keys have anti-theft capabilities that prevent them from being stolen by thieves. Mercedes-Benz smart key uses rolling codes to block unauthorised access. When the smart key is inserted into the ignition, a computer in the car verifies the code in milliseconds, before even starting the engine. BMW uses a Display Key that has a tiny LCD color screen. This allows drivers to lock their vehicles, unlock them, and then start them without taking the smart key from their pocket. If you're considering purchasing a new car with a smart key, or need the battery in your smart key fob changed, contact us at Pop-A Lock for a fast and easy service. We can replace the battery on any smart key, and our mobile locksmiths can help you set the system so that your vehicle can recognize it. Special Cases While smart keys aren't safe from theft, they do assist to hinder thieves. Smart key fobs use rolling security codes to avoid theft, and when placed in the ignition, the car's computer can verify the code within milliseconds. Mercedes-Benz developed this technology, which is currently utilized by luxury car brands. A smart key system will work even if it is not possible to remember the key in your trunk or leave it in an establishment. Some systems will alert the driver when the battery is not fully charged. Certain brands also offer key covers designed specifically for smart keys to protect the fob from damage.