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What Can a Smart Car Key Fob Do For You? Also known as fobs, keyless entry or smart keys, they were first introduced by Mercedes in 1998. Key fobs that are computer controlled can accomplish many things, including locking and unlocking a car and also starting it. They transmit an encrypted, rolling message. This makes them more receptive to cyber-savvy thieves. Safety A smart key fob communicates constantly with a vehicle using radiofrequency waves. It sends out a low-power signal that, when pressed it, prompts the vehicle open doors and begin the engine. The car is programmed to recognize the unique encrypted code of a particular key fob. This means that if the keyfob is stolen, the car will not be started. But a brand new type of hacking can permit thieves to take advantage of that 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 gadgets into pockets or in a hidden place to stop the remote lock command. It's a concern that could become more common as more people switch to smart keys. Apart from these security features, a smart key fob can simplify your life by automatically attending to your vehicle's needs. For instance a key fob linked to your smartphone could detect your presence and open the doors, meaning you don't have to hit the remote button. It also can detect that you are leaving the car and then automatically close it, so you won't forget to lock the doors. Many smart key fobs include an indicator for the battery that alerts you in advance that the battery is low. Also, replacing the battery in the majority of models is an easy and easy process that does not require any special tools. Convenience Smart keys are not required to be inserted physically into an ignition slot to unlock or start the vehicle. BMW Group explains that the driver just needs to bring the key within the range of the car. Certain smart keys, such as the Display Key, come with small LCD touchscreen that gives drivers access to features like locking, unlocking, and keyless start directly from their key fob without the need to connect the Bluetooth system of the car. A smart key can also help drivers save time by automating the closing of their car doors after they leave. This feature is present in a number of vehicles, as per Consumer Reports, and can also help move into parking spots that are tight without accidentally squeezing something someone. Open Road Auto Group explains that smart key systems don't transmit the same frequency signal repeatedly and this could make them more susceptible to relay attacks. Therefore, 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 vehicle. This technology makes it extremely difficult for thieves steal a car. Security Modern cars have more advanced electronic features than ever before, and a few of them are contained inside the key fob. These devices can do more than open and close doors, or make chirping sounds that assist drivers in finding their car in a parking lot However, some owners may not be aware of everything the things these smart key fobs are able to do. Certain keys that are smart, for example, will trigger the automatic windows and sunroof of the vehicle when they are you press. One auto editor in CR went into her Honda Accord to find the windows all down and the sunroof fully open. She was thankful for her Smart Key that automatically locked the car. Some smart keys use computer-encrypted signals to thwart car thieves, according to How Stuff Works. This technology can prevent hotwiring in which thieves steal a vehicle's engine controller module (ECM) which is usually located in front of the engine. The ECM is responsible for many important functions like engine power, transmission control, and more. Other technologies in smart keys include anti-theft codes 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 followed by verification by a sensor located in the car. Maintenance A smart car key fob does much more than unlock your door. It can start your engine and operate the brakes and suspension remotely. It can also provide information about your car, like the level of fuel and the oil temperature. A smart car key fob, as every other electronic device requires regular maintenance to work efficiently. The majority of modern key fobs have indicators for batteries that notify the driver when the battery is running low. It's simple to replace the battery, and you don't need special tools. In certain situations however, a smart key can stop working completely. If you suspect that this is the cause Try to reset the smart key by removing the vehicle, then returning inside. This will allow the car to recognize that the fob is present and allow it to regain functionality. If you can't get your fob to function call a locksmith help. They can reprogram it so that your vehicle recognizes it and allows you to use all of its functions. replacement smart key www.g28carkeys.co.uk 's typically more affordable to do this instead of buying the new fob for your key, and it will save you money in the end. In some cases, the locksmith can fix an existing key fob to be able to use it to purchase a new one. This can save you money in the end.