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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs in the year 1998. They are also referred to as smart keys, keyless entry or keyless entry fobs. Key fobs that are computer controlled can accomplish many things, including locking and unlocking vehicles as well as launching it. They operate by broadcasting an encrypted and rolling signal. This keeps them safer from thieves with advanced technology. Safety A smart key fob communicates with a vehicle through radiofrequency waves. It transmits a low power signal that, when pressed it, signals the vehicle to open doors and start the engine. The car is programmed to recognize the unique encryption code of a specific key fob. This means that if the keyfob is stolen, the car will not start. But a new form of hacking technique can let thieves exploit this communication. Relay attacks employ devices that transmit on the same frequency as the key fob. How smart key for car says that thieves can put one of these gadgets into pockets or in a hidden place to block the lock command remotely. It's a concern that will become more frequent as more motorists switch to 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. For instance a key fob linked to your smartphone can detect your location and unlock the doors, so you don't have 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. A majority of 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 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. Instead, the user needs to have it on them and have it within reach of the vehicle, as explained by the BMW Group. Certain smart keys, like the Display Key, come with tiny LCD touchscreen that allows drivers to access features like locking, unlocking and keyless starting directly from their key fob without the need to connect the Bluetooth system of the car. A smart key can save drivers time by automating the locking of their car doors when they leave. Consumer Reports says that this feature is offered on a number of automobiles. It can also make it easier for drivers to maneuver into tight spaces without accidentally hitting the door or something else. Smart key systems usually do not transmit the same frequency signal over and over and this can make them more susceptible to relay attacks, explains Open Road Auto Group. As such it is impossible for a stolen car to 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 technology makes it incredibly difficult for thieves to steal a vehicle. Security Some of the top-of-the-line electronic features in today's newer automobiles can be found in the key fob. These devices can do more than simply unlock and lock doors, or make chirping sounds that help drivers find their car in a parking lot However, some owners may not be aware of all the things these smart key fobs do. For instance, some smart keys are able to activate a vehicle's automatic windows and sunroof when press. A auto editor for CR once went out to her Honda Accord only to find all the windows shut and the sunroof opened. She was thankful for her Smart Key that automatically locked the car. According to How Stuff Works, some smart keys utilize computer-encrypted signals to deter car thieves. This technology prevents hotwiring in which thieves steal a vehicle's engine controller module (ECM), usually located in front of the engine. The ECM is responsible for many important functions like engine power, transmission control, and more. Smart keys also have anti-theft code and a unique security code for ID assigned to each key. This will disable the ignition when 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 confirmed by a sensor located in the car. Maintenance Smart car key fobs can do more than simply unlock the door. It can remotely start your engine, trigger the brakes and suspension and even start your car. It also provides information about your vehicle including fuel level and oil temperature. Like all electronic equipment the smart car key fob needs regular maintenance to function correctly. Modern key fobs come with indicators for batteries that notify the driver when the battery is running low. It's simple to replace the battery and you don't need any special tools. In some cases, however, a smart key may stop functioning completely. If you suspect this to be the case, attempt to reset it by getting out of the vehicle and returning to the vehicle. This will allow the car to recognize that the fob is in use and allow it to be functional again. If you are unable to get your fob to work Contact a locksmith for assist. They can reprogram it so that your car recognizes it and allows you to use all of its functions. It's generally cheaper to do this than buy an entirely new key fob and it could save money in the long run. In some cases the locksmith may fix a fob that is already in use to be used to make a new key. This could save you more money in the end.