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What Can a Smart Car Key Fob Do For You? They are also known as fobs, keysless entry or smart keys, they were introduced by Mercedes in 1998. Key fobs that are controlled by computers perform a variety of functions, including locking and unlocking cars and also starting it. They transmit an encrypted message that is continuously transmitted. This makes them more receptive to thieves who are tech-savvy. Safety A smart key fob that communicates continuously with a vehicle using radiofrequency waves. It sends a low-power signal that, upon pressing the button, instructs the vehicle to open doors and begin the engine. The car recognizes the unique encryption code from a particular key fob. This means that in the event that the keyfob is stolen, the car is unable to be started. A new vulnerability allows thieves to take advantage of this communication. Relay attacks are carried out with devices that transmit at the same rate as a key fob. How Stuff Works Electronics says that a burglar could slip one of these gadgets into the pocket or hidden area to block the remote control of the lock. It's a concern that could become more commonplace as more drivers adopt smart keys. Apart from these security features, the smart key fob can make life easier by automatically tending to your vehicle's needs. For instance a key fob connected to your smartphone can detect your location and unlock the doors, meaning you don't need to push a button on the remote. It can also detect when you're leaving and auto-lock the vehicle, so you don't have to fret about forgetting to lock the doors. Many smart key fobs come with an indicator for batteries that informs you well in advance when the battery is running low. Most models allow you to replace the battery quickly and conveniently without any tools or equipment required. Convenience Unlike a traditional metal key Smart keys do NOT require physical insertion into an ignition slot in order to unlock or start the vehicle. BMW Group explains that the driver only needs to bring the key within reach of the car. In fact, some smart keys, such as the Display Key, come with an extremely small LCD touchscreen in color that allows drivers to access features like locking and unlocking, as well as keyless start right from their keys without having to connect to the car's Bluetooth system. A smart key can also help drivers save time by automating the closing of their car doors after they leave. Consumer Reports says that this feature is present on a variety of automobiles. It can also make it easier for drivers to maneuver into tight spaces without accidentally hitting someone or something. Additionally, smart key systems typically do not send the same frequency signal repeatedly which could make them more susceptible to relay attacks, as explained by Open Road Auto Group. Smart keys are specific to each vehicle so a stolen car cannot be connected to a hotwire. This technology makes it incredibly difficult for thieves to steal a vehicle. Security Modern cars come with the most advanced electronic features ever before, and a few of them are found in the key fob. These gadgets are capable of more than just locking and unlocking doors, or making chirping sounds to assist drivers locate their vehicle in parking areas. However, some owners may be unaware of the full capabilities. For example, some smart keys can turn on windows that are automatically opened and sunroof once they are activated. A auto editor for CR once went out to her Honda Accord only to find all the windows closed and sunroof opened. She was grateful for her Smart Key that automatically locked the car. According to How Stuff Works, some smart keys employ computer-encrypted signals to protect against car thieves. smart car key case is able to prevent hotwiring in which thieves take the vehicle's engine control module (ECM), which is typically located in the front of the engine block. The ECM regulates a variety of vital functions, including engine power, transmission control, and more. Smart keys also include anti-theft codes and a unique ID security code that is assigned to each key. This could 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 validated by a sensor located in the car. Maintenance Smart car key fobs do much more than unlock the door. It can start your engine, and also activate suspension and brakes remotely. It also provides details about your vehicle, such as the fuel level and oil temperatures. Like all electronic equipment smart car key fob requires regular maintenance in order to function effectively. Most modern key fobs feature indicators for batteries that inform the driver when the battery is running low. Replacing the battery is a simple procedure, and no specialist tools are required. In some cases however the smart key could stop working completely. If you suspect this is the issue attempt to reset the smart key by leaving the vehicle and coming back inside. This will enable the car to understand that the key fob remains in the vehicle and allow it to be used again. Contact a locksmith if are unable to get your key fob working. They can reprogram it to ensure that your vehicle recognizes it once more and allows you to use all of its functions. It's typically more affordable to do this than buy an entirely new key fob and it will save you money in the end. In some cases, a locksmith can fix an existing key fob in order to be able to swap it for a replacement. This could save you money in the end.