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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 computer-controlled fobs are capable of performing a variety of functions including locking and unlocking the vehicle or beginning it. They transmit an encrypted stream. This protects them from thieves who are tech-savvy. Safety A smart key fob continuously communicates with a vehicle through radiofrequency signals. It transmits a low-power signal that, when pressed, signals the car to unlock doors and start the engine. The car can recognize the unique encrypted code from a specific keyfob. This means that if the key fob is stolen, the car can't be started. But a brand new type of hacking can allow thieves to exploit that communication. Relay attacks are based on devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that thieves can put one of these devices inside a pocket or hidden spot to stop the lock command remotely. It's a concern that will become more frequent as more drivers adopt smart keys. A smart key fob isn't just a security device, but it can also simplify your life by automatically taking care of the requirements of your vehicle. A key fob linked to your smartphone, for instance, can detect your presence and allow you to unlock the doors so you don't have to press a remote button. It also can detect when you're leaving and automatically lock the car, so you don't have worry about not locking the doors. Many smart key fobs feature an indicator for batteries that tells you when the battery is not fully charged. The majority of models let you replace the battery quickly and conveniently without any tools or equipment required. Convenience Contrary to traditional keys made of metal, smart keys do not need to be physically inserted into an ignition slot in order to unlock or start the vehicle. BMW Group explains that the driver only needs to bring the key within range of the car. In reality, certain smart keys, including the Display Key, come with small LCD touchscreen that enables drivers to access features such as locking, unlocking, and keyless start right from their key fob without needing to connect to their car's Bluetooth system. Another way smart keys could help save time for drivers is by automatizing the process of locking their car doors when they leave. This feature is found in a number of vehicles, as per Consumer Reports, and can also make it easier to move into parking spots that are tight without accidentally hitting something or anyone. Open Road Auto Group explains that smart key systems don't transmit the same frequency signal over and over, as this can make them more susceptible to relay attacks. Smart keys are specific to each vehicle which means that a stolen car can't be connected to a hotwire. This makes it very difficult for thieves steal the car. Security A few of the most advanced electronic features that are present in modern automobiles are contained in the key fob. These devices can do more than lock and unlock doors or emit chirping sounds to help drivers find their vehicle in a parking lot, but some owners may not be aware of all that smart key fobs do. Some smart keys, for instance, will activate the automatic windows and sunroof of an automobile when they are pressed. A Auto editor of CR once walked out to her Honda Accord only to find all the windows closed and the sunroofs open. This is one of the reasons she was so grateful for her Smart Key, which locked the vehicle automatically. Certain smart keys utilize computer-encrypted signals to thwart car burglars 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 a variety vital functions, including transmission control and engine power. Smart keys also come with anti-theft codes and a unique ID security code that is assigned to each key. This can disable ignition if the wrong key is used. The security ID is a code that's sent from the ECM to the key once it's put in the ignition and checked by a sensor inside the car. Maintenance Smart car key fobs do more than just unlock the door. It can start your engine and also activate suspension and brakes remotely. It can also provide details about your vehicle, including the level of fuel and the temperature of your oil. A smart car key fob, like any other electronic device, requires regular maintenance to work effectively. Modern key fobs come with indicators for batteries that notify the driver when the battery is low. Replacing the battery is a simple procedure, and no specialized tools are required. In certain instances however, a smart key could stop functioning entirely. If you suspect that this is the case, try to reset the smart key by leaving the vehicle and coming back inside. smart key replacement near me will allow the car to recognize that the key fob is still inside the vehicle, and allow it regain functionality. If you are unable to make your fob work get in touch with a locksmith for assist. They can reprogram your fob so that it is recognized by your car and you can make use of all its features. It's generally cheaper to do this than buy an entirely new key fob and it will save you money in the end. In some cases, the locksmith can repair an existing key fob in order to be able use it for a replacement. This could save you money in the end.