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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs in 1998. They are also referred to as smart keys, keyless entry, or keyless entry fobs. They are computer-controlled and capable of performing many tasks, such as locking and unlocking the car, or beginning it. They function by broadcasting a rolling encrypted signal. They are protected from thieves with advanced technology. Safety A smart key fob that communicates continuously with a vehicle using radiofrequency waves. key for smart car sends out a low-power signal that, when pressed, instructs the car to open doors and start its engine. The car recognizes the unique encryption code from a specific key fob. This means that if a key fob is stolen, the car cannot start. A new hack allows thieves to exploit this communication. Relay attacks are carried out with devices that transmit at the same rate as key fobs. How Stuff Works Electronics says that a thief could place one of these gadgets into an unnoticed pocket or a hidden location to block the remote control of the lock. This is a risk that could become more common as more drivers switch to smart keys. Apart from these security options, a smart key fob can simplify your life by automatically taking care of the needs of your vehicle. A key fob that connects to your smartphone, for instance, can detect your presence and unlock the doors, meaning you do not have to hit the remote button. It can also detect the moment you leave and automatically lock the car, meaning you don't have to worry about not locking the doors. Many smart key fobs include an indicator for the battery that alerts you ahead of time if the battery is running low. In addition, replacing the battery on the majority of models is an easy, easy procedure that doesn't require any special tools. Convenience Smart keys are not required to be inserted physically into an ignition slot to unlock or start the vehicle. BMW Group explains that the driver is only required to bring the key within reach of the car. In fact, some smart keys, including the Display Key, have an extremely small LCD touchscreen with color that allows drivers to access features like locking and unlocking, as well as keyless start directly from their key fobs without having to connect to the car's Bluetooth system. Smart keys can also save drivers time by automating the closing of their car doors after they leave. This feature is available in many automobiles, according to Consumer Reports, and can also make it easier to get into tight parking spaces without accidentally squeezing something or someone else. Smart key systems do not typically send the same frequency signal repeatedly, as this could make them more vulnerable to relay attacks, says Open Road Auto Group. In this way it is impossible for a stolen car to be hotwired if it is equipped with a smart key as the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it incredibly difficult for thieves to steal a vehicle. Security The latest cars are equipped with more advanced electronic features than ever, and some of them are housed in the key fob. These gadgets are capable of more than just locking and unlocking doors or making chirping noises to help motorists locate their car in parking areas. However, some owners may be unaware of the full capabilities. For instance, some smart keys are able to activate windows that automatically open and sunroof once they are press. One CR auto editor went 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. Some smart keys use 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), usually located at the front of the engine. The ECM regulates a variety of vital functions like engine power, transmission control and many more. Other technologies in smart keys include anti-theft encryption and an individual security ID assigned to each key. This can block the ignition if it's not the correct one. The security ID is a code that is transmitted by the ECM from the key to the ignition, and then verified by a sensor in the car. Maintenance A smart car key fob does much more than unlock your door. It can remotely start your engine, turn on suspension and brakes, and even start your car. It can also provide information about your car including the level of fuel and the temperature of your oil. Like any piece of electronic equipment like a smart car key fob requires regular maintenance to operate properly. Most modern key fobs feature indicators for the battery that alert the driver when the battery is low. It is easy to replace the battery, and you don't need special tools. In certain instances the smart key can stop working completely. If you suspect this is the cause Try to reset the smart key by leaving the vehicle and returning inside. This can help the car recognize that the fob is still in use and allow it to return to normal operation. If you can't make your fob work call a locksmith assist. They can reprogram the fob so that it can be recognized by the car and you can utilize all of its features. This is usually cheaper than purchasing a new fob and can save you money over the course of time. In some instances locksmiths are able to repair an existing fob to be used to create new keys. This can save you even more money in the long run.

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