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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 various tasks like locking and unlocking the car or beginning it. They transmit an encrypted and rolling signal. G28CarKeys helps protect them from thieves who are tech-savvy. Safety A smart key fob continually communicates with vehicles using radiofrequency signals. It transmits a low-power message that, when pressed, instructs the car to open doors and begin its engine. The car recognizes the unique encryption code of a particular key fob. This means that if the keyfob is stolen, the car cannot be started. But a new type of hacking technique can allow thieves to exploit that communication. Relay attacks utilize devices that transmit at the same frequency as the key fob. A thief can place one of these gadgets in a pocket or a hiding area to disable the lock command from a distance, according to How Stuff Works Electronics. This issue could become more commonplace as more drivers switch to smart keys. Aside from these security features, a smart key fob can make life easier by automatically tending to the needs of your vehicle. A key fob linked to your smartphone, for example, can detect your presence and then unlock the doors, meaning you don't need to press the remote button. It also can detect that you are leaving the car and then automatically lock it, so that you don't forget to lock your doors. A lot of smart key fobs come with an indicator for batteries that informs you ahead of time if the battery is getting low. Most models allow you to replace the battery quickly and without the need for any special tools. Convenience Smart keys do not need to be physically inserted into an ignition slot to open or start the vehicle. Instead, the driver must 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, feature a small LCD touchscreen that gives users access to features such as locking, unlocking, and keyless start directly from their key fob without the need to connect the Bluetooth system in the car. Smart keys can also help drivers save time by automating the locking of their car doors after they leave. Consumer Reports says that this feature is available on many vehicles. It also makes it easier for drivers to maneuver into tight spots without accidentally pushing the door or something else. Smart key systems do not typically send the same frequency signal repeatedly in order to make them more susceptible to relay attacks, according to Open Road Auto Group. So it is impossible for a stolen car to be wired hot if it's equipped with a smart-key because the encrypted signal that the key fob transmits is unique to each vehicle. This makes it extremely difficult for thieves to steal a vehicle. Security Modern cars come with more high-tech electronic features than ever before, and many of them are housed on the key fob. These devices do much more than lock and unlock doors or make chirping noises to assist motorists in finding their car in a parking lot However, some owners may not be aware of everything the things these smart key fobs do. For instance, certain smart keys can turn on windows that automatically open and sunroof once they are hit. One CR auto editor was able to walk into her Honda Accord to find the windows closed and the sunroof fully open. She was grateful 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 stops hotwiring in which thieves steal a vehicle's engine controller module (ECM) which is typically located at the front of the engine. The ECM is responsible for many important functions including engine power, transmission control, and more. Smart keys also have anti-theft code and a unique ID security code assigned to each key. This will disable the ignition if the wrong key is used. The security ID is a code that is transmitted by the ECM from the key to the ignition, and then validated with 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 vehicle. It also provides details about your vehicle, such as the fuel level and the oil temperature. Like any piece of electronic equipment, a smart car key fob requires regular maintenance to function correctly. Modern key fobs come with indicators for batteries that notify the driver when it's time to replace the battery. Replacing the battery is a straightforward procedure, and no special tools are required. In some cases the smart key could cease to function completely. If you suspect this is the case, try to reset it by getting out of the vehicle and then re-entering it. This will help the car recognize that the fob is in use and allow it to be functional again. If you are unable to make your fob work, contact a locksmith to help. They can reprogram your fob so that it is recognized by the car and you can make use of all its features. This is usually less expensive than buying a new fob and could save you money over time. In some cases, a locksmith can even fix a fob that is already in use to be used to make new keys. This can help you save more money in the end.