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What Can a Smart Car Key Fob Do For You? Known as fobs, keyless entry or smart keys, they were introduced by Mercedes in 1998. These computer-controlled fobs are capable of performing a variety of functions including locking and unlocking the car, or getting it started. They work by broadcasting an encrypted, rolling signal. This keeps them safer from thieves with advanced technology. Safety A smart key fob is constantly communicating with a vehicle through radiofrequency waves. It transmits a low power signal that, upon pressing it, signals the vehicle to open doors and start the engine. The car can recognize the unique encrypted code that is generated by a specific keyfob. This means that if a key fob is stolen, the car will not be started. A new hack allows thieves to exploit this communication. Relay attacks are carried out using 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 lock command remotely. This is a problem that is likely to become more prevalent as more motorists change to smart keys. Apart from these security options, an intelligent key fob could make life easier by automatically taking care of your vehicle's needs. A key fob connected to your smartphone, for example can detect your presence and unlock the doors, meaning you don't have to press a remote button. It can also sense that you are leaving the car and automatically secure it, so you will not forget to lock the doors. Many smart key fobs include an indicator of the battery that tells you ahead of time if the battery is getting low. In g28carkeys.co.uk , replacing the battery on most models is a straightforward, simple 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 car. BMW Group explains that the driver just needs to bring the key within reach of the car. Some smart keys, including the Display Key, come with an incredibly small LCD touchscreen that allows users access to features like locking, unlocking, and keyless starting directly from their key fob without the need to connect the Bluetooth system in the car. Another way smart keys can save drivers time is by automatizing the process of locking their doors when they leave. Consumer Reports says that this feature is available on many vehicles. It can also make it easier for drivers to maneuver around tight spaces without accidentally hitting someone or something. Open Road Auto Group explains that smart key systems do not transmit the same frequency signal over and over and this could make them more susceptible to relay attacks. As such the vehicle that is stolen cannot be connected to a hotwire if equipped with a smart key because the encrypted signal that the key fob transmits is unique to each car. This makes it extremely difficult for thieves to steal a car. Security Some of the latest electronic features that are present in modern vehicles are found in the key fob. These devices are capable of more than just locking and unlocking doors or making chirping sounds to help drivers locate their vehicle in parking spaces. However there are some who are unaware of the full capabilities. Certain smart keys, for example, can activate the automatic windows and sunroof of an automobile when you press. One auto editor at CR was able to walk into her Honda Accord to find the windows shut and the sunroof completely open. This was one of the reasons she was so grateful for her Smart Key, which locked the car automatically. Certain smart keys use encrypted computer signals to stop car thieves According to How Stuff Works. This technology prevents hotwiring in which thieves steal the engine controller module (ECM), usually located at the front of the engine. The ECM controls a variety of vital functions, such as transmission control and engine power. Other technologies in smart keys include anti-theft coding and an individual security ID assigned to each key, which can turn off the ignition if it's not the correct one. The security ID is a code that's sent from the ECM to the key once it's put into the ignition and then confirmed by a device inside the car. Maintenance A smart car key fob can do much more than unlock your door. It can start your engine and also activate the brakes and suspension remotely. It can also provide details about your vehicle, such as the fuel level and the temperature of your oil. Like all electronic equipment the smart car key fob needs regular maintenance to operate correctly. The majority of modern key fobs have battery indicators that warn the driver when the battery is running low. Replacing the battery is an easy procedure, and no specialized tools are required. In certain instances however, a smart key may stop functioning entirely. If you suspect that this is the cause Try to reset the smart key after leaving the vehicle and then returning to it. This will allow the car to recognize that the key fob is still inside the vehicle, and allow it regain functionality. If you can't make your fob work, contact a locksmith to assist. They can reprogram it to ensure that your vehicle recognizes it again and allows you to use all of its features. This is usually cheaper than purchasing a new fob and can save you money over the course of time. In some instances locksmiths can fix a fob that is already in use to be used to make an entirely new key. This can save you money in the end.