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Vehicle Smart Key Technology The smart key technology that is found in vehicles allows drivers to unlock and start their car by simply pressing the door handle, or putting the keys in the pocket. It also permits many other adjustments like seat position and internal temperature settings as well as mirror position. However, this could cause security issues. Security Smart keys are computerized key fobs that communicate with vehicles through an embedded antenna to unlock doors and activate the motor. Smart key fobs, in contrast to conventional keys that emit the same frequency each time they're pressed, transmit encrypted signals that are compatible with the particular car to which 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 -known as Keyless Go — has an internal transponder which can identify the driver's key. When the Smart Key comes within 1.5 meters of a vehicle it will automatically unlock the door and tailgate, and the engine starts when the key's button is hit. Certain smart keys, like the ones from BMW additionally have user-specific settings. These allow the driver to adjust the mirrors, seat and steering wheel's position and audio preferences at the click of a button. They also come with an emergency lock that keeps the vehicle from starting without the key in the ignition. This technology assists drivers from locking their car, especially when fumbling in a purse or backpack to find keys in a parking area full of strangers or in a busy street with high rates of crime. Some systems also notify drivers when their keys are not fully charged, however this feature differs by manufacturer. Convenience If you're in a hurry get somewhere the smart key makes entering your vehicle as easy as possible. By pressing the button on the trunk release lever or door handle, you can lock, unlock and open your vehicle. Popular Mechanics explains that the key fob can also be used to monitor charging locations, charging, and other information about your vehicle. The main benefit is that you aren't able to accidentally be locked out. The key fob communicates with the antenna inside the vehicle to determine if it's in range. If it's not, the engine will not start. This will deter thieves from the vehicle and stealing parts of it. BMW reports that the smart key uses rolling codes to prevent hacking and cloning. The computer in the vehicle can recognize and verify the code prior the start of the motor. Most systems also have a backup mechanical system in the form of a key blade that's hidden to be used for styling purposes. Modern smart keys can also tell the key that is being used and adjust the settings of the vehicle in line with the use of the key, says How Stuff Works Electronics. If you turn on the vehicle while holding the key in your hands, for example windows and the sunroof will open to allow air circulation to the interior. smart key car can also set a speed limit that will only be applicable when the vehicle is started using the chosen 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 do this make sure you press and hold the lock button while pressing the unlock button. This will disable your smart key fob from sending or receiving radio waves and will increase the battery's life by a significant amount. You can always activate the function by pressing both the unlock and lock buttons again. Some smart keys also have anti-theft capabilities that protect 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 in the car checks the code in milliseconds before beginning the engine. BMW uses a Display Key that has a tiny LCD color screen. This lets drivers lock their cars, open their doors, and start them without removing the smart key from their pockets. If you're considering purchasing a new car with a smart key, or you need your smart key fob's battery replaced, call Pop-A-Lock to get a quick and easy service. We can replace the battery in any smart key and our mobile locksmiths are able to assist you in setting it up so that your vehicle recognizes it. Special Cases Smart keys aren't% theft-proof but they can assist in preventing thieves. Smart key fobs are designed to keep hackers from hacking into the system. When they are inserted into the ignition of the car, the computer verifies the code in milliseconds. Mercedes-Benz invented this technology, which is currently used 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 a restaurant. Some systems will also alert the driver when the battery is low. Certain brands have key covers specifically made for smart keys that keep the fob protected from damage.