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Vehicle Smart Key Technology The smart key technology found in vehicles lets drivers unlock and start their car by simply pressing the door handle or putting the key in the pocket. It also allows for many other adjustments such as the position of the seat as well as internal temperature settings and mirror position. This could also raise security issues. Security Smart keys are key fobs that are computerized that communicate with the vehicle through an embedded antenna to unlock doors and activate the motor. In contrast to conventional keys that emit the identical frequency signal each time they are pressed, smart key fobs transmit encrypted signals that are specific to the car they belong to. This makes it difficult for thieves with the latest technology to fake or intercept the signal and use the key to steal your car. Mercedes' Keyless Go system for instance, has an internal transponder that can identify the driver's key. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also turns on the engine by pressing the key. Some smart keys, like the ones made by BMW are also equipped with user-specific settings. These allow the driver to adjust the seat, mirrors and steering wheel's location and audio preferences with the press of a single button. They also come with a backup lock that prevents the vehicle from starting if it is not connected to the key. This technology prevents drivers from accidentally locking their cars, particularly when fumbling in a purse or backpack to find keys in a parking lot packed with strangers or on a busy street with high crime rates. Some systems also notify drivers when the key is in danger of being depleted, though this feature is dependent on the manufacturer. Convenience If you're in a hurry get somewhere, the smart key makes entering your vehicle as simple as it can be. By pressing the button on the trunk release or door handle you can open, lock and begin your vehicle. Popular Mechanics explains that the key fob can be used to track charging location, charging status, and other information about your vehicle. new smart car key can't accidentally lock your keys in the car. The key fob connects to an antenna inside the vehicle to determine whether it is within range. If it's not, the engine will not start. This will deter thieves who might steal your vehicle in order to sell the parts. The smart key uses rolling codes to deter hacking attempts as well as cloning, according BMW. The vehicle's computer detects and validates the code before starting the motor. Most systems have a mechanical backup system that is a hidden key blade. Modern smart keys also detect which key is in use and adjust the vehicle settings accordingly, notes How Stuff Works Electronics. If you start the vehicle while holding the key in your hand, for example the windows as well as the sunroof will open to allow air circulation to the interior. You can also set a speed limit that will only be in effect when the vehicle is powered by the specified key. This feature is useful if you are lending your car to someone who is not experienced. 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 you need to press and hold the lock button while pressing the unlock button. This will block your smart key fob's smart device from being able to send or receive any radio waves. This will significantly increase the battery's life. You can always restart the function by pressing both the lock and unlock buttons again. Certain smart keys come with anti-theft features that stop them from being stolen by thieves. Mercedes-Benz smart keys employ rolling codes to stop unauthorised access. When the smart key is inserted in the ignition, a computer inside the car confirms the code in milliseconds prior to even starting the engine. BMW utilizes a Display Key that has a small LCD color screen. This allows drivers to lock their cars, open them, and then start them without removing the smart key from their pocket. If you're considering purchasing an automobile with a smart key, or if you require the battery of your smart key fob replaced, contact Pop-A-Lock to get a quick and easy service. Our mobile locksmiths will replace the battery of any smart key and also help you set it so that your car can recognize it. Special Cases While smart keys aren't security-wise, they can be used to discourage thieves. Smart keys are designed to stop hackers from hacking into the system. When placed in the ignition of the car, the computer verifies the code in milliseconds. Mercedes-Benz developed this technology, which is currently used by luxury car brands. Another benefit is that the majority of smart key systems will operate in the event that the user forgets the key in the trunk, left it at a restaurant or lost it during hiking. Some systems will alert the driver when the battery is not fully charged. Certain brands provide key covers specifically made for smart keys that keep the fob protected from damage.