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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs in 1998. They are also known as smart keys, keyless entry or keyless entry fobs. The fobs that are computer controlled are capable of performing many tasks like locking and unlocking your car or getting it started. They operate by broadcasting an encrypted stream. This makes them more secure to hackers with a technological edge. Safety A smart key fob continually communicates with a vehicle, through radiofrequency signals. It transmits a low-power message that, when pressed, tells the car to unlock doors and begin its engine. The car recognizes the unique encrypted code from a specific keyfob. This means that even when the key fob is stolen, it won't be used to begin the car. But a new type of hack can permit thieves to take advantage of that communication. Relay attacks are carried out with devices that transmit at the same frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these gadgets into a pocket or hidden spot to block the remote control of the lock. This is a problem that is likely to become more prevalent as more motorists switch over to smart keys. A smart key fob is not just a security feature but can also simplify your life by automatically taking care of the requirements of your vehicle. A key fob that is connected to your smartphone, for example it can detect your presence and unlock the doors so that you don't need to push a remote button. It can also recognize that you are leaving the car and automatically secure it, so you won't forget to lock the doors. A lot of smart key fobs have an indicator for batteries that informs you in advance that the battery is low. And replacing the battery in the majority of models is an easy and simple procedure that doesn't require any special tools. Convenience In contrast to a traditional key made of metal Smart keys do not require physical insertion into an ignition slot to unlock or start a car. Instead, the driver must have it on their person and have it within reach of the vehicle, as described by the BMW Group. Some smart keys, like the Display Key, come with small LCD touchscreen that gives users to access features such as locking, unlocking, and keyless start directly from their key fob, without the need to connect to the Bluetooth system of the car. Another way a smart key can help drivers save time is by automating the process of locking their car doors after they leave. smart key replacement says that this feature is offered on a number of vehicles. It can also make it easier for drivers to maneuver around tight spaces without accidentally hitting the door or something else. Open Road Auto Group explains that smart key systems do not transmit the same frequency signal repeatedly, as this can make them more vulnerable to relay attacks. Smart keys are specific to each vehicle so a stolen vehicle can't be hotwired. This technology makes it difficult for thieves to steal a car. Security Modern cars have more advanced electronic features than ever before, and many of them are contained on the key fob. These devices do more than lock and unlock doors, or emit chirping sounds to assist drivers in finding their car in a parking lot however, some owners might not be aware of all the things these smart key fobs are able to do. For example, some smart keys can turn on the auto windows of a car and sunroof when they are pressed. A auto editor from CR once walked out to her Honda Accord only to find all the windows down and sunroof open. That's just one reason she was so grateful for her Smart Key, which locked the car automatically. Some smart keys employ computer-encrypted signals to thwart car thieves According to How Stuff Works. This technology prevents hotwiring, which is when thieves steal the vehicle's engine control unit (ECM), which is typically located in the front of the engine block. The ECM manages a range of essential functions, including engine power and transmission control. Other technologies used in smart keys include anti-theft code and a unique security ID assigned to each key. This could disable the ignition in the event that it's not the right one. The security ID is a digit that is transmitted by the ECM from the key to the ignition and then confirmed by a sensor in the car. Maintenance Smart car key fobs can do more than unlock the door. It can remotely start your engine, activate the brakes and suspension and even start your car. It also can provide details about your vehicle, such as fuel level and oil temperature. A smart car key fob, like any other electronic device, requires regular maintenance in order to work efficiently. Most modern key fobs feature indicators for batteries that inform the driver when the battery is low. It's easy to replace the battery and you don't need special tools. In certain instances the smart key may cease to function completely. If you suspect that this is the case, you can reset it by taking the car out and then returning inside. This will help the car recognize that the fob is still active and allow it be functional again. If you're unable to get your fob to work get in touch with a locksmith for help. They can reprogram the fob in order that it is recognized by the car again and you can utilize all its features. This is usually cheaper than buying a new fob and can save you money over the course of time. In some cases locksmiths are able to repair an existing fob to allow it to be used to create new keys. This could save you money in the end.