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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. The fobs that are computer controlled are capable of performing many tasks like locking and unlocking the car or getting it started. They work by transmitting an encrypted and rolling message. This keeps them safer from thieves who are tech-savvy. Safety A smart key fob that communicates continuously with a vehicle through radiofrequency waves. It transmits a low-power message that, when pressed, tells the car to unlock doors and start its engine. The car is programmed to recognize the unique encrypted code of a particular key fob. This means that if a key fob is stolen, the car cannot be started. But a new form of hacking could allow thieves to exploit that communication. Relay attacks use devices that transmit on the exact frequency as the key fob. A thief can place one of these devices in a pocket or a hiding area to disable the lock command from a distance, according How Stuff Works Electronics. This is a problem that may become more common as more motorists change to smart keys. Apart from these security features, smart key fobs can simplify your life by automatically attending to the needs of your vehicle. For example an electronic key fob linked to your smartphone can detect your proximity and unlock the doors so that you don't need to push a button on the remote. It could also detect that you're leaving the vehicle and automatically lock it, so you don't forget to lock your doors. A majority of smart key fobs have an indicator for batteries that tells you when the battery is running low. smart key repair of models let you replace the battery quickly and easily without the need for any special tools. Convenience Smart keys do not have to be physically inserted into an ignition slot to open or start the car. Rather, the driver simply has to put it on them and have it within reach of the vehicle, as explained by the BMW Group. In reality, certain smart keys, including the Display Key, feature small LCD color touchscreen that allows drivers 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. Another way a smart key can save drivers time is by automatizing the process of locking their doors after they leave. This feature is present in a variety of automobiles, according to Consumer Reports, and can also help move into parking spots that are tight without accidentally hitting something or anyone. Smart key systems do not typically transmit the same frequency signal repeatedly which could make them more vulnerable to relay attacks, explains Open Road Auto Group. Smart keys are unique to each vehicle, therefore a stolen vehicle cannot be wired. This technology makes it incredibly difficult for thieves to steal a car. Security Modern cars come with the most advanced electronic features ever before, and some of them are found inside the key fob. These gadgets do much more than simply open and close doors, or emit chirping sounds to help drivers find their car in a parking area However, some drivers may not be aware of all that smart key fobs do. Certain keys that are smart, for instance, can trigger the automatic windows and sunroofs on an automobile when pressed. A CR auto editor once walked out to her Honda Accord only to find all the windows shut and the sunroof opened. She was grateful for her Smart Key that automatically locked the car. Some smart keys employ computer-encrypted signals to thwart car thieves According to How Stuff Works. This technology is able to prevent hotwiring in which thieves steal the engine control module (ECM) that is usually located in the front of the engine block. The ECM is responsible for many important functions like engine power, transmission control and many more. Smart keys also include anti-theft code and a unique ID security code that is assigned to each key. This could disable the ignition if the wrong key is used. The security ID is a digit that is transmitted by the ECM from the key to the ignition and then verified by a sensor located in the car. Maintenance A smart car key fob does more than just unlock your door. It can remotely start your engine, trigger suspension and brakes, and even start your car. It can also provide details about your vehicle, such as the level of your fuel and oil temperatures. A smart car key fob, just like every other electronic device requires regular maintenance to work properly. Modern key fobs come with indicators for the battery that alert the driver when the battery is low. Replacing the battery is a simple procedure, and no special tools are required. In some cases, however, a smart key could stop functioning entirely. If you suspect this is the case, you can reset it by leaving the vehicle and then coming back inside. This will allow the car to recognize that the fob is still active and allow it return to normal operation. If you can't get your fob to function call a locksmith assist. They can reprogram the fob to ensure that it is recognized by your car and you can use all of its features. This is usually less expensive than buying a brand new fob and could save you money over time. In certain instances, the locksmith can repair an existing key fob in order to be able use it for a new one. This can save you money in the end.