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What Can smart keys for cars For You? Known as fobs or keyless entry or smart keys, they were first introduced by Mercedes in 1998. These computer-controlled key fobs can accomplish a variety of tasks, such as locking and unlocking cars and also starting 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 constantly communicates with vehicles by radiofrequency waves. It transmits a low-power message that, when pressed tells the car to unlock doors and begin its engine. The car can recognize the unique encrypted code of a particular keyfob. This means that even when the key fob has been stolen, it cannot be used to start the car. But a new type of hack can enable thieves to gain access to that communication. Relay attacks use devices that transmit on the same frequency as the key fob. How Stuff Works Electronics says that thieves can put one of these devices in a pocket or hidden spot to stop the lock command remotely. This issue could become more common as more drivers adopt smart keys. Apart from these security options, the smart key fob can simplify your life by automatically taking care of your vehicle's needs. For example a key fob linked to your smartphone could detect your proximity and unlock the doors, meaning you don't have to hit a button on the remote. It also can detect that you are leaving the car and automatically secure it, so you don't forget to lock your doors. Many smart key fobs have an indicator for batteries that informs you ahead of time when the battery is low. In addition, replacing the battery on the majority of models is an easy and easy process that does not require any special tools. Convenience Smart keys do not have to be inserted physically into an ignition slot to unlock or start the vehicle. Instead, the user has to put it on their hands and bring it within the range of the vehicle, as described by the BMW Group. In fact, some smart keys, including the Display Key, come with tiny LCD touchscreen with color that allows users to access features like locking, unlocking, and keyless start right from their key fobs without needing to connect with the car's Bluetooth system. Another way that smart keys can help drivers save time is by automating the process of locking their doors when they leave. Consumer Reports says that this feature is available on a wide range of automobiles. It also makes it easier for drivers to maneuver into tight spaces without accidentally crushing someone or something. Open Road Auto Group explains that smart key systems do not transmit the same frequency signal over and over which can make them more vulnerable to relay attacks. So a stolen vehicle can't be hotwired even if it's equipped with a smart key as the encrypted signal that the key fob transmits is unique to each car. This makes it very difficult for thieves to steal cars. Security A few of the most advanced electronic features that are present in modern vehicles are found in the key fob. These devices can do much more than locking and unlocking doors, or making chirping sounds to assist motorists locate their car in parking spaces. However certain owners might be unaware of the full capabilities. For instance, some smart keys can trigger a vehicle's automatic windows and sunroof when they are hit. A CR auto editor once walked out to her Honda Accord only to find all the windows down and sunroof opened. She was grateful for her Smart Key that automatically locked the car. Some smart keys use computer-encrypted signals to thwart car burglars According to How Stuff Works. This technology prevents hotwiring in which thieves steal a vehicle's engine controller module (ECM), usually located in front of the engine. The ECM regulates a variety of vital functions including engine power, transmission control, and other functions. Smart keys also have anti-theft codes, as well as an unique ID security code assigned to each key. This will disable the ignition when the wrong key is used. The security ID is a unique code that is transmitted by the ECM from the key to the ignition, and then confirmed by a sensor located in the car. Maintenance A smart car key fob can do more than just unlock your door. It can remotely start your engine, activate the brakes and suspension and even start your car. It can also provide information about your car such as the level of your fuel and the oil temperature. A smart car key fob, like every other electronic device requires regular maintenance to work correctly. Most modern key fobs feature indicators for batteries that inform the driver when the battery is low. Replacing the battery is a simple procedure, and no specialist tools are required. In certain instances the smart key may stop working completely. If you suspect that this is the case, attempt to reset it by taking the car out and then re-entering it. This will let the car recognize that the fob is in place and allow it to be functional again. If you're unable to get your fob to function Contact a locksmith for help. They can reprogram the fob in order that it is recognised by the car and you are able to use all of its features. This is usually cheaper than buying a brand new fob and can save you money over the course of time. In some instances, the locksmith can repair an existing key fob in order to be able to swap it for a new one. This can save you even more money in the end.