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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs in 1998. smart car keys are also referred to as smart keys, keyless entry or keyless entry fobs. These fobs controlled by computers are capable of carrying out a variety of tasks including locking and unlocking the car, or beginning it. They function by sending a rolling encrypted message. This protects them from thieves who are tech-savvy. Safety A smart key fob that communicates continuously with a vehicle via radiofrequency waves. It transmits a low-power message that, when pressed instructs the car to open doors and start its engine. The car recognizes the unique encryption code that is generated by a specific key fob. This means that even in the event that the key fob gets stolen, it isn't used to begin the car. However, a new kind of hacking could permit thieves to take advantage of that communication. Relay attacks are carried out with devices that transmit at the same frequency as keys. A thief can place one of these gadgets in a purse or hiding area to disable the lock command from a distance. How Stuff Works Electronics. It's a concern that could become more commonplace as more people switch to smart keys. Aside from these security features, a smart key fob can simplify your life by automatically attending to your vehicle's needs. A key fob that is connected to your smartphone, for example can sense your presence and open the doors so you don't need to push a remote button. It could also detect that you are leaving the car and lock it, so you aren't tempted to forget to lock the doors. Many smart key fobs include a battery indicator that warns you ahead of time if the battery is at a low level. The majority of models let you replace the battery quickly and conveniently without the need for any special tools. Convenience As opposed to a traditional metal key, smart keys do not need to be physically inserted into an ignition slot to unlock or start the vehicle. Instead, the user needs to have it on their hands and have it within reach of the vehicle, as described by the BMW Group. In fact, some smart keys, such as the Display Key, feature small LCD touchscreen in color that allows users to access features like locking or unlocking and keyless start directly from their key fobs without needing to connect to their car's Bluetooth system. A smart key could also save drivers time by automating the closing of their car doors after they leave. This feature is offered in a variety of vehicles, as per Consumer Reports, and can assist in allowing drivers to move into parking spots that are tight without accidentally squeezing something or someone. 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. Therefore it is impossible for a stolen car to be connected to a hotwire if equipped with a smart-key because the encrypted signal that the key fob transmits is unique to each vehicle. This makes it extremely difficult for thieves to steal cars. Security Modern cars come with more high-tech electronic features than ever before, and many of them are contained on the key fob. These devices can do much more than locking and unlocking doors, or making chirping noises to help drivers locate their vehicle in parking spaces. However many owners are unaware of the full capabilities. For example, some smart keys can activate the auto windows of a car and sunroof if they are activated. One auto editor from CR went into her Honda Accord to find the windows completely shut and the sunroof wide open. That's just one reason she was thankful for her Smart Key, which locked the vehicle automatically. Certain smart keys use encrypted computer signals to stop car thieves According to How Stuff Works. This technology prevents hotwiring, where thieves steal the vehicle's engine control unit (ECM) which is typically located in the front of the engine block. The ECM manages many essential functions, including engine power, transmission control, and many more. Smart keys also include anti-theft code and a unique ID security code that is assigned to each key. This could stop the ignition if the wrong key is used. The security ID is a special code that is transmitted from the ECM to the key once it's put in the ignition, and is verified by a sensor inside the car. Maintenance Smart car key fobs do more than unlock the door. It can remotely start your engine, trigger the brakes and suspension and even start your vehicle. It also provides information about your car, such as the level of your fuel and the temperature of your oil. A smart car key fob like every other electronic device requires regular maintenance to function effectively. Key fobs that are modern have indicators for batteries that inform the driver when the battery is running low. It's simple to replace the battery and you don't require any special tools. In certain instances however, a smart key might stop working completely. If you suspect that's the case, you can reset it by leaving the vehicle and then returning inside. This will let the car recognize that the fob is present and allow it to be functional again. If you are unable to get your fob to function get in touch with a locksmith for assist. They can reprogram it to ensure that your vehicle recognizes it once more and allows you to use all of its features. It's usually more cost-effective to do this than buying a new key fob and it can save you money in the long run. In some instances, the locksmith can repair an existing key fob to be able use it to purchase a new one. This could save you money in the end.