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What Can a Smart Car Key Fob Do For You? Known as fobs or keyless entry or smart keys, they were introduced by Mercedes in 1998. smart key programming near me controlled by computers can perform many tasks, including locking and unlocking vehicles and even starting it. They work by transmitting an encrypted, rolling message. This helps protect them from hackers with a technological edge. Safety A smart key fob communicates constantly with the vehicle via radiofrequency waves. It sends out a low-power signal that, when pressed, instructs the car to open doors and start its engine. The car is programmed to recognize the unique encryption code of a specific key fob. This means that even when the key fob is stolen, it won't be used to begin the car. A new vulnerability allows thieves to exploit this method of communication. Relay attacks utilize devices that transmit on the same frequency as the key fob. How Stuff Works Electronics says that thieves could put one of these devices inside a pocket or hidden spot to block the key fob's lock command remotely. This is a risk which could become more frequent as more people switch over to smart keys. A smart key fob isn't just a security feature, but it can also simplify your life by automatically taking care of the requirements of your vehicle. For example, a key fob that's connected to your smartphone can detect your presence and open the doors, so it's not necessary to press the remote button. It can also sense that you're leaving the car and then automatically lock it, so that you will not forget to lock the doors. Many smart key fobs have a battery indicator that alerts you when the battery is not fully charged. The majority of models let you replace the battery quickly and easily, 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 car. Instead, the user must have it on them and bring it within range of the vehicle, as described by the BMW Group. In fact, some smart keys, including the Display Key, have an extremely small LCD touchscreen in color that allows users to access features such as locking, unlocking, and keyless start directly from their keys without having to connect to the car's Bluetooth system. A smart key can help drivers save time by automating the locking of their doors after they leave. Consumer Reports says that this feature is offered on a number of vehicles. It also makes it easier for drivers to maneuver around tight spots without accidentally pushing someone or something. Additionally, smart key systems usually do not transmit the same frequency signal over and over which could make them more susceptible to relay attacks, says Open Road Auto Group. Therefore a stolen vehicle can't be hotwired even if it's equipped with a smart key since the encrypted signal that the key fob transmits is unique to each vehicle. This makes it extremely difficult for thieves steal a car. Security Some of the high-tech electronic features found in the latest automobiles are included in the key fob. These devices do more than open and close doors, or make chirping sounds that help drivers find their car in a parking lot, but some owners may not be aware of everything that these smart key fobs can accomplish. Certain keys, such as example, can activate the automatic windows and sunroof of vehicles when the key is pressed. One auto editor at CR went into her Honda Accord to find the windows completely shut and the sunroof wide open. She was grateful for her Smart Key that automatically locked the car. Some smart keys employ computer-encrypted signals to deter car thieves, according to How Stuff Works. This technology stops hotwiring, which is when thieves steal the vehicle's engine control module (ECM), which is usually found on the front of the engine block. The ECM controls a variety of essential functions, including engine power and transmission control. Other technologies in smart keys include anti-theft code and a unique security ID assigned to each key. This can turn off the ignition if it's not the correct one. The security ID is a specific code that's transmitted from the ECM to the key when it's put in the ignition and verified by a sensor inside the car. Maintenance A smart car key fob can do more than just unlock your door. It can start your engine and activate suspension and brakes remotely. It can also provide information about your vehicle, like the level of fuel and oil temperature. Like any piece of electronic equipment like a smart car key fob requires regular maintenance to operate effectively. Modern key fobs feature indicators for batteries that notify drivers 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 may stop working completely. If you suspect that's the case, attempt to reset it by taking the car out and then re-entering it. This will let the car recognize that the fob is in use and allow it to regain functionality. Get in touch with a locksmith if are unable to get your key fob to work. They can reprogram your fob so that it is recognized by the car and you can utilize all of its features. It's typically more affordable to do this than buying a new key fob, and it could save money in the long run. In some instances, a locksmith can even fix an existing fob in order to be used to make a new key. This could save you more money in the end.