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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs back in 1998. They 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 like locking and unlocking your car or beginning it. They function by sending a rolling encrypted message. This makes them more secure to hackers with a technological edge. Safety A smart key fob is constantly communicating with a vehicle using radiofrequency waves. It transmits a low power signal that, when pressed it, prompts the vehicle unlock doors and start the engine. The car recognizes the encrypted code of a particular keyfob. This means that if a key fob is stolen, the car cannot be started. But a new type of hacking can allow thieves to exploit that communication. smart fortwo key programming are carried out with devices that transmit at the same frequency as a key fob. How Stuff Works Electronics says that thieves could put one of these gadgets into an unnoticed pocket or a hidden location to stop the key fob's lock command remotely. This is a problem that is likely to become more prevalent as more people switch over to smart keys. A smart key fob is not just a security feature but can also make your life easier by automatically taking care of the requirements of your vehicle. A key fob connected to your smartphone, for example it can detect your presence and unlock the doors, meaning you don't have to press the remote button. It can also sense that you are leaving the car and lock it, so that you won't forget to lock the doors. Many smart key fobs also have a battery indicator that warns you ahead of time when the battery is running low. The majority of models let you replace the battery quickly and without any special tools. Convenience Smart keys do not have to be physically placed in an ignition slot to open or start the vehicle. BMW Group explains that the driver only needs to bring the key within reach of the car. In reality, certain smart keys, such as the Display Key, have an extremely small LCD touchscreen in color that allows users to access features like locking, unlocking, and keyless start right from their keys without needing to connect to their car's Bluetooth system. Another way a smart key can help drivers save time is by automatizing the process of locking their car doors when they leave. This feature is present in many vehicles, according to Consumer Reports, and can assist in allowing drivers to get into tight parking spaces without accidentally hitting something or someone. Additionally, smart key systems typically do not send the same frequency signal repeatedly, as this could make them more susceptible to relay attacks, as explained by Open Road Auto Group. So it is impossible for a stolen car to be connected to a hotwire if equipped with a smart key as the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it extremely difficult for thieves steal cars. Security Modern cars have the most advanced electronic features ever before, and some of those are located on the key fob. These devices can do more than open and close doors, or emit chirping sounds to help drivers find their car in a parking lot, but some owners may not be aware of all that these key fobs are able to do. Certain smart keys, for example, can activate the auto windows and sunroofs of vehicles when you press. One CR auto editor walked into her Honda Accord to find the windows shut and the sunroof fully open. That's one of the reasons she was so grateful for her Smart Key, which locked the car automatically. According to How Stuff Works, some smart keys employ computer-encrypted signals to protect against car thieves. This technology stops hotwiring in which thieves steal the engine controller module (ECM) which is typically located at the front of the engine. The ECM regulates a variety of vital functions such as engine power, transmission control, and other functions. Other smart keys' features include anti-theft encryption and a unique security ID that is assigned to each key, which can turn off the ignition if it's not the right one. The security ID is a code that's transmitted from the ECM to the key when it's put into the ignition and then confirmed by a sensor in the car. Maintenance Smart car key fobs can do more than just unlock the door. It can remotely start your engine, activate the brakes and suspension and even start your vehicle. It also gives you details about your car, like the level of fuel and oil temperature. Like all electronic equipment like a smart car key fob requires regular maintenance to operate properly. Modern key fobs come with indicators for the batteries to inform the driver when it's time to replace the battery. Replacing the battery is a simple process, and no specialized tools are required. In certain instances the smart key could stop functioning entirely. If you suspect that this is the issue try resetting the smart key by removing the vehicle and then returning to it. This can help the car recognize that the fob is still present and allow it to be functional again. Contact a locksmith if are not able to get your key fob working. They can reprogram the fob to ensure that it is recognized by the car and you can utilize all of its features. It's typically more affordable to do this instead of buying a new key fob, and it could save you money in the long run. In some cases, the locksmith can repair an existing key fob in order to be able use it to purchase a new one. This could save you money in the end.