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What Can G28CarKeys 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 various tasks including locking and unlocking your car or getting it started. They function by sending an encrypted and rolling message. This keeps them safer from tech-savvy thieves. Safety A smart key fob communicates constantly with the vehicle via radiofrequency waves. It sends out a low-power signal that, upon pressing it, prompts the vehicle open doors and begin the engine. The car can recognize the unique encrypted code from a particular key fob. This means that if the key fob is stolen, the car cannot be started. A new hack allows thieves to take advantage of this communication. Relay attacks use devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these devices inside a pocket or hidden spot to block the remote lock command. This is a problem that is likely to become more prevalent as more and more drivers change to smart keys. Apart from these security options, smart key fobs can simplify your life by automatically attending to your vehicle's needs. A key fob linked to your smartphone, for instance, can detect your presence 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 you don't forget to lock your doors. Many smart key fobs have an indicator for batteries that tells you when the battery is running low. The majority of models let you replace the battery quickly and easily, without any special tools. Convenience Contrary to traditional keys made of metal, smart keys do not require physical inserting into an ignition slot to unlock or start the car. BMW Group explains that the driver simply needs to bring the key within range of the car. Some smart keys, like the Display Key, have tiny LCD touchscreen that gives drivers access to features such as locking, unlocking, and keyless start directly from their key fob, without the need to connect to the Bluetooth system in the car. Another way smart keys can help drivers save time is by automating the process of locking their doors when they leave it. Consumer Reports says that this feature is offered on a number of vehicles. It can also make it easier for drivers to maneuver around tight spots without accidentally squeezing the door or something else. Open Road Auto Group explains that smart key systems do not transmit the same frequency signal in a series of in order to make them more vulnerable to relay attacks. Smart keys are specific to each vehicle which means that a stolen car can't be wired. This technology makes it extremely difficult for thieves steal a car. Security Modern cars come with more advanced electronic features than ever before, and a few of those are located in the key fob. These devices can do more than locking and unlocking doors or making chirping sounds to assist motorists locate their car in parking spaces. However certain owners might be unaware of the full capabilities. Certain keys, such as instance, can trigger the automatic windows and sunroof of a vehicle 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 sunroof open. This is one of the reasons she was so grateful for her Smart Key, which locked the vehicle automatically. Some smart keys use computer-encrypted signals to thwart car thieves According to How Stuff Works. This technology prevents hotwiring in which thieves steal a vehicle's engine controller module (ECM) typically located at the front of the engine. The ECM controls many vital functions, including engine power, transmission control, and many more. Other features of smart keys include anti-theft encryption and an individual security ID assigned to each key, which could disable the ignition in the event that it's not the right one. The security ID is a code that is transmitted by the ECM from the key to the ignition, and then confirmed with a sensor in the car. Maintenance A smart car key fob can do much more than unlock your door. It can start your engine and also activate suspension and brakes remotely. It also gives you details about your vehicle, including fuel level and temperature of the oil. A smart car key fob, as any other electronic device requires regular maintenance to work efficiently. Most modern key fobs feature indicators for batteries that inform the driver when the battery is running low. Replacing the battery is a straightforward procedure, and no specialized tools are required. In some instances however, a smart key might stop working entirely. If you suspect this is the case, you can reset it by getting out of the car and then re-entering it. This will allow the car to detect that the key fob is still inside the vehicle, and allow it to regain its functionality. If you're not able to connect your fob get in touch with a locksmith for assist. They can reprogram it so that your car recognizes it once more and allows you to use all of its features. It's generally cheaper to do this rather than purchasing an entirely new key fob and it could save you money in the long run. In some cases, a locksmith can even repair an existing fob in order to be used to make an entirely new key. This can save you more money in the end.