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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 introduced by Mercedes in 1998. These computer-controlled key fobs can perform a variety of functions, including locking and unlocking a car and even starting it. They transmit an encrypted message that is continuously transmitted. They are protected from tech-savvy thieves. Safety A smart key fob communicates constantly with a vehicle using radiofrequency waves. It sends out a low-power signal that, when pressed, instructs the car to open doors and start the engine. The car recognizes the unique encrypted code that is generated by a specific key fob. This means that even when the key fob has been stolen, it can't be used to begin the car. A new hack allows thieves to exploit this type of communication. Relay attacks are carried out using devices that transmit at the same frequency as keys. How Stuff Works Electronics says that a burglar could slip one of these gadgets into pockets or in a hidden place to stop the remote control of the lock. This is a risk which could become more frequent, as more drivers are switching to smart keys. A smart key fob is not only a security tool however, it can make your life easier by automatically taking care of the needs of your vehicle. For instance an electronic key fob connected to your smartphone will detect your proximity and unlock the doors, meaning that you don't need to push the remote button. It can also sense when you're leaving and automatically lock the car, meaning you don't need to worry about forgetting to lock the doors. A majority of smart key fobs have an indicator for the battery that warns you when the battery is depleted. And replacing the battery in most models is a straightforward and simple procedure that does not require any special tools. Convenience Unlike a traditional metal key Smart keys do not require physical insertion into an ignition slot to unlock or start the vehicle. BMW Group explains that the driver only needs to bring the key within range of the car. Some smart keys, including the Display Key, feature tiny LCD touchscreen that grants users to access features such as locking, unlocking, and keyless start directly from their key fob without the need to connect the Bluetooth system of the car. Another way a smart key can help save time for drivers is by automating the process of locking their doors after they leave. This feature is offered in many vehicles, according to Consumer Reports, and can also help get into tight parking spaces without causing injury to something or the person. Furthermore, smart key systems generally do not send the same frequency signal over and over, as this could make them more susceptible to relay attacks, as explained by Open Road Auto Group. So it is impossible for a stolen car to be connected to a hotwire if equipped with a smart key since the encrypted signal that the key fob transmits is unique to each car. This technology makes it extremely difficult for thieves steal a car. Security Modern cars have the most advanced electronic features ever before, and some of those are located inside the key fob. These devices can do more than simply lock and unlock doors or make chirping noises to assist motorists in finding their car in a parking lot however, some owners might not be aware of all that smart key fobs can accomplish. Certain keys that are smart, for instance, can trigger the automatic windows and sunroofs on an automobile when they are pressed. One auto editor from CR walked into her Honda Accord to find the windows all down and the sunroof completely open. She was thankful for her Smart Key that automatically locked the car. According to How Stuff Works, some smart keys employ computer-encrypted signals to deter car thieves. This technology blocks hotwiring in which thieves take the vehicle's engine control unit (ECM), which is usually found on the front of the engine block. The ECM regulates a variety of vital functions, including engine power, transmission control, and more. Smart keys also include anti-theft codes and a unique ID security code that is assigned to each key. This could stop the ignition when the wrong key is used. The security ID is a special code that's sent from the ECM to the key once 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 the suspension and brakes remotely. It also provides information about your vehicle, like fuel level and oil temperature. A smart car key fob, just like any other electronic device requires regular maintenance to function properly. www.g28carkeys.co.uk include battery indicators to alert the driver when it is time to replace the battery. It is easy to replace the battery, and you don't require special tools. In some cases the smart key could stop working completely. If you suspect that this is the issue, try to reset the smart key by leaving the vehicle, then returning inside. This will allow the car to recognize that the key fob is inside the vehicle, and allow it to be used again. Contact a locksmith in the event that you are not able to get the key fob to work. They can reprogram your fob so that it is recognized by the car again and you are able to use all of its features. It's typically more affordable to do this rather than purchasing a new key fob and it will save you money in the end. In some instances locksmiths can fix a fob that is already in use so that it can be used to make a new key. This can save you money in the end.