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What Can a Smart Car Key Fob Do For You? Known as fobs, keyless entry or smart keys, they were first introduced by Mercedes in 1998. These computer-controlled fobs are capable of performing a variety of functions, such as locking and unlocking the car or starting it. They work by transmitting a rolling encrypted message. This makes them less vulnerable to tech-savvy thieves. Safety A smart key fob is constantly communicating with a vehicle through radiofrequency waves. It sends a low-power signal that, when pressed it, signals the vehicle to open doors and start the engine. The car is programmed to recognize the unique encrypted code of a specific key fob. This means that if the key fob is stolen, the car can't be started. A new hack allows thieves to exploit this method of communication. Relay attacks utilize devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that thieves can put one of these devices 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 people switch to smart keys. A smart key fob is not just a security device however, it can make your life easier by automatically taking care of the requirements of your vehicle. A key fob that connects to your smartphone, for instance can sense your presence and allow you to unlock the doors so you don't have to press a remote button. It can also recognize that you are leaving the car and then automatically lock it, so that you won't forget to lock the doors. Many smart key fobs include an indicator for batteries that informs you ahead of time when the battery is low. The majority of models let you replace the battery quickly and without the need for any special tools. Convenience Smart keys do not need to be physically placed in an ignition slot to open or start the car. BMW Group explains that the driver just needs to bring the key within reach of the car. In reality, some smart keys, such as the Display Key, feature tiny LCD touchscreen that enables drivers to access features such as locking or unlocking and keyless start right from their key fob without needing to connect to their car's Bluetooth system. A smart key could also save drivers time by automating the locking of their doors after they leave. This feature is offered in many vehicles, as per Consumer Reports, and can help get into tight parking spaces without accidentally squeezing something anyone. Open Road Auto Group explains that smart key systems don't transmit the same frequency signal repeatedly, as this can make them more susceptible to relay attacks. In this way, a stolen vehicle cannot be hotwired even if it's equipped with a smart-key because the encrypted signal that the key fob transmits is unique to each car. This technology makes it extremely difficult for thieves to steal a vehicle. Security Modern cars have more high-tech electronic features than ever before, and a few of those are located on the key fob. These devices can do more than just lock and unlock doors, or make chirping sounds to help drivers find their car in a parking space However, some owners may not be aware of everything the things these smart key fobs can accomplish. Certain keys, such as example, can activate the auto windows and sunroofs of an automobile when you press. One auto editor in CR was able to walk into her Honda Accord to find the windows closed and the sunroof completely open. She was grateful for her Smart Key that automatically locked the car. According to How Stuff Works, some smart keys utilize computer-encrypted signals to protect against car thieves. This technology is able to prevent hotwiring where thieves steal the vehicle's engine control module (ECM) which is typically located in the front of the engine block. The ECM manages many essential functions such as engine power, transmission control and more. Other technologies in smart keys include anti-theft coding and a unique security ID that is assigned to each key. This can block the ignition if it's not the right one. The security ID is a digit that is transmitted by the ECM from the key to the ignition, and then verified by a sensor in the car. Maintenance A smart car key fob can do more than just unlock your door. It can start your engine and also activate the brakes and suspension remotely. It also provides details about your vehicle, such as the level of your fuel and the oil temperature. Like any piece of electronic equipment the smart car key fob needs regular maintenance to ensure it functions correctly. Modern key fobs come with indicators for the battery that alert the driver when the battery is low. Replacing the battery is an easy procedure, and no specialist tools are required. In some cases however, a smart key may stop functioning entirely. If you suspect that's the case, try to reset it by getting out of the car and returning to the vehicle. This will help the car recognize that the fob is still active and allow it regain functionality. If you're not able to get your fob to function get in touch with a locksmith for help. They can reprogram the fob in order that it is recognized by your car and you can make use of all of its features. It's typically more affordable to do this rather than purchasing an entirely new key fob and it could save money in the end. In some cases, a locksmith can repair an existing key fob to be able use it for a new one. smart car key recoding could save you more money in the end.