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Vehicle Smart Key Technology The smart key technology in vehicles enables drivers to unlock and start their vehicle by simply touching the door handle or by putting the key into the pocket. It also enables a range of other adjustments, such as the position of seats, internal temperature settings, stereo presets, and mirror positioning. However, it could also cause security issues. Security Smart keys are highly sophisticated key fobs with computers that communicate with a vehicle through one of the car's embedded antennas to open the doors and begin the engine. Smart key fobs, as opposed to conventional keys that emit the same frequency every time they're used, transmit encrypted signals that are only compatible with the car to which they belong. This makes it much more difficult for criminals with a technological edge to intercept or fake the signal, and then use your key to steal your vehicle. For example, Mercedes' system — called Keyless Go — has an internal transponder that can identify the key of the driver. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also starts the engine by pressing the key. Certain smart keys, like those from BMW are also equipped with user-specific settings, which allow the driver to alter the mirrors, seat and steering wheel's position and audio preferences with the press of a single button. They also have the backup lock, which stops the vehicle from starting if it is not connected to the key. This technology can prevent drivers from locking their cars, especially when they have to search their purse or backpack to locate keys in a parking lot packed 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 can vary by manufacturer. Convenience The smart key is ideal for those on the move and need to get to their destination. By pressing the button on your trunk release lever or door handle, you can lock, unlock and begin your vehicle. The key fob will also communicate with your smartphone to track charging, location and other data about the vehicle, according to Popular Mechanics. smart forfour key programming of the biggest advantages is that you won't accidentally lose your keys. The key fob is connected to an antenna inside the vehicle to determine whether it is within the range. If it's not, the engine will not start. This helps deter would-be thieves who would steal your vehicle to sell the parts. The smart key uses rolling codes to ward off hacking attempts and cloning, reports BMW. The computer in the vehicle recognizes and verifies the code prior to launching the motor. Most systems have a physical back-up in the form a hidden key blade. How Stuff Works Electronics notes that modern smart keys also detect the keys being used and adjust the vehicle settings according to the situation. For instance, if switch on the car while holding the key fob in your palm, the windows and sunroof will open to let air circulate through the cabin. You can also set the speed limit which will only be applicable when the vehicle is started using the selected key, which could 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 simply press and hold the lock button while pressing the unlock button. This will prevent your smart key fob's ability to send or receiving any radio signals, which will extend its battery's life by a significant amount. You can reactivate this function by pressing the unlock and lock buttons once more. Some smart keys also have anti-theft functions that stop them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorised vehicle access. When the smart key is inserted into ignition, a computer in the car verifies the code in milliseconds, before starting the engine. BMW also has a similar system with its Display Key, which has a small LCD color touchscreen on the smart key to make it easier, and enables drivers to lock and unlock their vehicles without ever taking it from their pockets. If you're considering purchasing the latest car equipped with a smart key, or you need the battery in your smart key replaced, contact Pop-A-Lock for a quick and efficient service. We can replace the battery in any smart key, and our mobile locksmiths will help you set it up so that your vehicle can recognize it. Special Cases Smart keys aren't% theft-proof but they can help deter thieves. Smart keys are designed to prevent hackers from hacking into the system. When they are inserted into the ignition of the car the computer validates the code in milliseconds. This technology was invented by Mercedes-Benz and is now utilized by a number of high-end car brands. Another helpful feature is that most smart key systems will continue to operate even if the user has forgotten the key in the trunk, left it at the restaurant or if it is lost on hiking. Certain systems will notify the driver when the battery is depleted. Some brands offer key covers specifically made for smart keys that ensure that the fob is protected from damage.