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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs back in 1998. They are also referred to as smart keys, keyless entry, or keyless entry fobs. They are computer-controlled and capable of carrying out a variety of tasks, such as locking and unlocking your car or starting it. They work by broadcasting an encrypted and rolling signal. This makes them more receptive to hackers with a technological edge. Safety A smart key fob communicates with vehicles by radiofrequency waves. It sends a low-power signal that, when pressed it, signals the vehicle to unlock doors and start the engine. The car can recognize the unique encrypted code that is generated by a specific key fob. This means that even when the key fob is stolen, it isn't used to start the car. A new vulnerability allows thieves to take advantage of this type of communication. Relay attacks utilize devices that transmit on the same frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these devices in a pocket or hidden spot to stop the key fob's lock command remotely. This is a risk that could become more commonplace as more people switch to smart keys. A smart key fob isn't just a security feature but can also simplify your life by automatically taking care of the requirements of your vehicle. A key fob linked to your smartphone, for instance it can detect your presence and then unlock the doors, so you don't need to press a remote button. It also can detect that you're leaving the car and lock it, so that you won't forget to lock the doors. A majority of smart key fobs have an indicator for batteries that tells you when the battery is not fully charged. The replacement of the battery in most models is a straightforward and easy process that does not require any special tools. Convenience In contrast to a traditional key made of metal smart keys do not require physically inserting into an ignition slot to unlock or start the vehicle. Instead, the driver needs to have it on them and bring it within range of the vehicle, as explained by the BMW Group. In reality, some smart keys, such as the Display Key, feature a small LCD touchscreen with color that allows users to access features such as locking or unlocking as well as keyless start directly from their key fob without having to connect to the car's Bluetooth system. A smart key can help drivers save time by automating the closing of their car doors when they leave. Consumer Reports says that this feature is present on a variety of vehicles. It can also make it easier for drivers to maneuver into tight spaces without accidentally crushing someone or something. Open Road Auto Group explains that smart key systems don't transmit the same frequency signal over and over and this could make them more vulnerable to relay attacks. Smart keys are distinct to each vehicle, so a stolen car cannot be hotwired. This makes it very difficult for thieves steal cars. Security Some of the latest electronic features found in the latest automobiles are included in the key fob. These devices can do more than simply unlock and lock doors, or make chirping noises to aid drivers in finding their car in a parking space However, some owners may not be aware of everything that these smart key fobs do. Some smart keys, for example, will trigger the auto windows and sunroofs of a vehicle when the key is pressed. One CR auto editor went into her Honda Accord to find the windows closed and the sunroof completely open. That's one of the reasons she was so grateful for her Smart Key, which locked the vehicle automatically. Certain smart keys use encrypted computer signals to thwart car burglars, according to How Stuff Works. This technology stops hotwiring in which thieves steal the engine controller module (ECM) which is typically located at the front of the engine. The ECM manages a range of vital functions, such as engine power and transmission control. Smart keys also come with anti-theft code and a unique security code for ID assigned to each key. This will disable the ignition when the wrong key is used. The security ID is a specific code that's transmitted from the ECM to the key when it's put into the ignition. It is then confirmed by a device inside the car. Maintenance A smart car key fob does much more than unlock your door. It can remotely start your engine, operate the brakes and suspension and even start your car. It also provides information about your vehicle, including fuel level and oil temperature. Like any piece of electronic equipment like a smart car key fob requires regular maintenance to ensure it functions properly. Most modern key fobs feature battery indicators that warn the driver when the battery is low. Replacing the battery is an easy procedure, and no specialized tools are required. In some instances the smart key could stop working completely. If you suspect this is the problem Try to reset the smart key by exiting the vehicle and coming back inside. This will enable the car to understand that the key fob is still in the vehicle and allow it to function again. If you're unable to get your fob to function get in touch with a locksmith for help. They can reprogram it so that the car recognizes it once more and allows you to utilize all of its features. smart roadster key programming g28carkeys.co.uk 's typically more affordable to do this than buying a new key fob and it could save money in the end. In some cases the locksmith may repair an existing fob in order to be used to create new keys. This can save you money in the end.