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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs in 1998. They are also known as smart keys, keyless entry, or keyless entry fobs. These fobs controlled by computers are capable of carrying out a variety of tasks including locking and unlocking your car or starting it. They transmit an encrypted message that is continuously transmitted. This makes them more secure to hackers with a technological edge. Safety A smart key fob that communicates continuously with a vehicle via radiofrequency waves. It emits a low power signal that, when pressed the button, instructs the vehicle to unlock doors and start the engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that even when the key fob is stolen, it won't be used to start the car. But a new type of hacking can permit thieves to take advantage of that communication. Relay attacks are carried out with devices that transmit at the same rate as keys. How Stuff Works Electronics says that thieves could put one of these devices into pockets or in a hidden place to stop the remote lock command. It's a problem that will become more frequent as more motorists switch to smart keys. Aside from these security features, the smart key fob can make life easier by automatically adjusting to your vehicle's needs. For example an electronic key fob connected to your smartphone can detect your proximity and unlock the doors, meaning that you don't have to press the remote button. It also can detect the moment you leave and automatically lock the vehicle, so you don't have to worry about forgetting to lock the doors. Many smart key fobs have a battery indicator that alerts you when the battery is low. Also, replacing the battery in most models is a straightforward and easy process that does not require any special tools. Convenience As opposed to a traditional metal key, smart keys do not require physically inserting into the ignition slot to unlock or start the car. Rather, the driver simply has to put it on them and bring it within the range of the vehicle, as described by the BMW Group. In fact, some smart keys, including the Display Key, come with a small LCD color touchscreen that allows drivers to access features like locking or unlocking and keyless start right from their key fob without having to connect to the car's Bluetooth system. Smart keys can also help drivers save time by automating the closing of their car doors after they leave. This feature is offered in a number of vehicles, as per Consumer Reports, and can help navigate through parking spaces that are tight without causing injury to something or anyone. Open Road Auto Group explains that smart key systems don't transmit the same frequency signal repeatedly and this could make them more vulnerable to relay attacks. Smart keys are specific to each vehicle, so a stolen vehicle can't be hotwired. This technology makes it extremely difficult for thieves to steal a car. Security A few of the most advanced electronic features in today's newer automobiles are included in the key fob. These devices are capable of more than locking and unlocking doors or making chirping sounds to assist drivers locate their car in parking areas. However certain owners might be unaware of the full capabilities. For example, some smart keys can activate windows that are automatically opened and sunroof if they are hit. A Auto editor of CR once walked out to her Honda Accord only to find all the windows shut and the sunroof up. She was thankful for her Smart Key that automatically locked the car. Certain smart keys use encrypted computer signals to thwart car burglars, according to How Stuff Works. This technology prevents hotwiring in which thieves steal the engine controller module (ECM) which is usually located in front of the engine. The ECM is responsible for a variety essential functions, including engine power and transmission control. Other features of smart keys include anti-theft coding and a unique security ID assigned to each key, which can turn off the ignition if it's not the correct one. The security ID is a unique code that is transmitted by the ECM from the key to the ignition and then confirmed with a sensor in the car. Maintenance Smart car key fobs do much more than unlock the door. It can start your engine and operate suspension and brakes remotely. It also provides details about your car, including fuel level and the temperature of your oil. Like any piece of electronic equipment smart car key fob needs regular maintenance to ensure it functions effectively. Modern key fobs include indicators for batteries that notify the driver when it's time to replace the battery. Replacing the battery is a straightforward procedure, and no special tools are required. In some cases, the smart key will stop working completely. If you suspect that this is the case, attempt to reset it by leaving the vehicle and then returning inside. This will let the car recognize that the fob is present and allow it to return to normal operation. If you're not able to connect your fob get in touch with a locksmith for assist. They can reprogram your fob so that it can be recognized by your car and you are able to use all its features. smart key for cars G28 is typically cheaper than buying a new fob and could save you money over time. In some cases, a locksmith can fix an existing key fob in order to be able to exchange it for a new one. This could save you money in the end.