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What Can a Smart Car Key Fob Do For You? Known as fobs or keyless entry or smart keys, they were first introduced by Mercedes in 1998. These key fobs controlled by computers can accomplish a variety of tasks, such as locking and unlocking vehicles as well as launching it. They transmit an encrypted message that is continuously transmitted. This makes them less vulnerable to tech-savvy thieves. Safety A smart key fob communicates with a vehicle through radiofrequency signals. It sends out a low-power signal that, when pressed, tells the car to unlock doors and begin its engine. The car is programmed to recognize the unique encrypted code of a specific key fob. This means that in the event that the keyfob is stolen, the car cannot be started. A new hack allows thieves to take advantage of this communication. Relay attacks utilize devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that thieves could put one of these devices in a pocket or hidden spot to block the lock command remotely. This is a risk that will become more frequent as more drivers adopt smart keys. Aside from these security features, smart key fobs can make life easier by automatically taking care of the needs of your vehicle. A key fob connected to your smartphone, for instance can sense your presence and unlock the doors so you don't need to press a remote button. It can also detect when you're leaving and automatically lock the car, meaning you don't have worry about forgetting to lock the doors. Many smart key fobs have a battery indicator that alerts you when the battery is depleted. The majority of models let you replace the battery quickly and without any special tools. Convenience As opposed to a traditional metal key smart keys do not require physical insertion into an ignition slot to unlock or start a vehicle. Instead, the user needs to have it on their hands and have it within reach of the vehicle, as explained by the BMW Group. Some smart keys, including the Display Key, feature an incredibly small 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 to the Bluetooth system in the car. Smart keys can also save drivers time by automating the locking of their car doors after they leave. This feature is present in a number of vehicles, as per Consumer Reports, and can help move into parking spots that are tight without accidentally squeezing something or anyone. Smart key systems generally do not transmit the same frequency signal repeatedly in order to make them more susceptible to relay attacks, as explained by Open Road Auto Group. In this way it is impossible for a stolen car to be wired hot if it's 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 car. Security The latest cars are equipped with more high-tech electronic features than ever before, and some of them are found in the key fob. These devices are capable of much more than locking and unlocking doors, or making chirping sounds to help motorists locate their car in parking areas. However, some owners may be unaware of the full capabilities. Certain keys, such as example, can activate the automatic windows and sunroofs on a vehicle when pressed. A Auto editor of CR once walked out to her Honda Accord only to find all the windows closed and the sunroof opened. That's one of the reasons she was grateful for her Smart Key, which locked the vehicle automatically. According to How Stuff Works, some smart keys employ computer-encrypted signals to protect against car thieves. This technology prevents hotwiring in which thieves steal a vehicle's engine controller module (ECM) which is usually located at the front of the engine. The ECM is responsible for many important functions, including engine power, transmission control and more. Other smart keys' features include anti-theft codes and a unique security ID assigned to each key. This could disable the ignition in the event that it's not the right one. The security ID is a number 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 do more than just unlock the door. It can remotely start your engine, turn on suspension and brakes, and even start your vehicle. It also provides details about your vehicle, like the level of fuel and temperature of the oil. A smart car key fob, just like any other electronic device requires regular maintenance in order to function properly. Modern key fobs have indicators for the batteries to inform drivers when it's time to replace the battery. It's easy to replace the battery, and you don't need any special tools. In some cases however the smart key might stop working completely. If you suspect this is the problem, try to reset the smart key after leaving the vehicle and returning inside. This will allow the car to recognize that the fob is present and allow it to be functional again. If you're unable to connect your fob get in touch with a locksmith for assist. They can reprogram it so that your car recognizes it and allows you to utilize all of its features. This is usually less expensive than buying a brand new fob and can save you money over the course of time. In smart key locksmith near me may fix a fob that is already in use to allow it to be used to make new keys. This can save you more money in the long run.