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Vehicle Smart Key Technology Vehicle smart key technology allows drivers to unlock and start the car by pressing the door handle or putting the key in the pocket. It also allows a variety of other adjustments, like seating positions as well as internal temperature settings mirror position and stereo presets. However, this could also result in security issues. Security Smart keys are advanced electronic keys that communicate with the vehicle using one of the antennas built into the car to open doors and begin the engine. Smart keys, unlike traditional 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. This makes it harder for thieves with a technological edge to spoof or intercept the signal and use the key to take your car. Mercedes' Keyless Go system, for example, has an internal transponder, which can identify the driver's key. 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 a button on its key. Some smart keys, like those from BMW additionally have user-specific settings that allow drivers to alter the mirrors, seat and steering wheel's position and even audio preferences with the press of a single button. They also have a backup lock that will stop the car from starting without the key in the ignition. replacement smart car key protects drivers from not locking their cars properly particularly when they are searching backpacks or purses for keys in a parking lot with strangers or on a busy street where crime is high. A lot of systems will also notify motorists when their keys are in danger of being depleted, though this feature varies by manufacturer. Convenience The smart key is perfect for those in a hurry to get somewhere. By pressing the button on the trunk release or door handle, you can unlock, lock and start your vehicle. Popular Mechanics explains that the key fob can also be used to monitor charging location, charging status, and other vehicle information. A big benefit is that you don't get locked out. The key fob communicates with an antenna in the vehicle to determine whether it's in range. If it's not, the engine won't not start. This can deter thieves who may steal your car to sell the parts. BMW reports that the smart key makes use of rolling codes as well to ward off hacking and cloning. A computer within the vehicle detects the code and verifies it prior to launching the engine. Most systems have a physical backup in the form of a hidden key blade. How Stuff Works Electronics notes that modern smart keys can also detect the keys used and adjust the car settings according to the situation. If you turn on the vehicle while holding the key in your palm, for example the windows as well as the sunroof will be opened to let air circulate the interior. You can also set the speed limit which will only be applied when the vehicle is started using the specified key, which can be useful when loaning 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 this feature, hold down the lock button and press the unlock button. This will block your smart key fob from being able to send or receive any radio waves. This will dramatically extend the life of your battery. You can always activate this feature by pressing the unlock and lock buttons again. Some smart keys also have anti-theft features that prevent them from being copied by thieves. Mercedes-Benz smart key uses rolling codes to prevent access by anyone who is not authorized to use it. When the smart key is inserted in the ignition, a computer inside the car verifies the code in milliseconds before it starts the engine. BMW utilizes a Display Key with a small LCD screen with a color. This lets drivers lock their cars, unlock them, and even start them without removing the smart key from their pockets. Call Pop-A-Lock if you need to replace the battery on your smart key fob, or considering purchasing a car that has a smart-key. We can replace the battery on any smart key, and our mobile locksmiths will help you set the system so that your vehicle can recognize it. Special Cases Smart keys aren't 100 100% secure against theft, but they do aid in deterring thieves. Smart keys are designed to prevent hackers from hacking the system. When they are placed in the ignition of the car the computer validates the code in milliseconds. Mercedes-Benz created this technology, which is currently used by luxury car manufacturers. Another benefit is that many smart key systems will operate if the user forgot the key in the trunk or left it at the restaurant, or lost it on the trail. Some systems will also notify the driver when the battery is depleted. Certain brands provide keys with covers specifically designed for smart keys to guard the fob from damage.