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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs back in 1998. They are also known as smart keys, keyless entry, or keyless entry fobs. These key fobs controlled by computers can perform many tasks, including locking and unlocking cars and also starting it. They work by transmitting an encrypted message that is continuously transmitted. This keeps them safer from thieves with advanced technology. Safety A smart key fob continuously communicates with a vehicle by radiofrequency waves. It transmits a low-power signal that, when pressed signals the car to unlock doors and begin its engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that if the key fob is stolen, the car cannot start. However, a new kind of hacking could enable thieves to gain access to that communication. Relay attacks are carried out with devices that transmit at the same rate as the key fob. A burglar can put one of these gadgets in a pocket or hiding area to disable the lock command from a distance, according How Stuff Works Electronics. This is a risk that is likely to become more prevalent as more and more drivers are switching to smart keys. Aside from these security features, smart key fobs can make life easier by automatically adjusting to the needs of your vehicle. A key fob that is connected to your smartphone, for example, can detect your presence and allow you to unlock the doors, meaning you do not have to hit a remote button. It can also recognize that you're leaving the car and lock it, so you won't forget to lock the doors. A majority of smart key fobs have a battery indicator that alerts you when the battery is running low. Most models allow you to replace the battery quickly and conveniently without the need for any special tools. Convenience In contrast to a traditional key made of metal Smart keys do NOT require physical insertion into the ignition slot in order to unlock or start a vehicle. Instead, the driver has to put it on them and have it within reach of the vehicle, as explained by the BMW Group. In reality, some smart keys, like the Display Key, come with tiny LCD touchscreen that enables drivers to access features such as locking or unlocking as well as keyless start right from their keys without having to connect to the car's Bluetooth system. Another way smart keys can help save time for drivers is by automatizing the process of locking their car doors when they leave. Consumer Reports says that this feature is offered on a number of automobiles. It also makes it easier for drivers to maneuver into tight spaces without accidentally crushing someone or something. Additionally, smart key systems typically do not transmit the same frequency signal over and over in order to make them more vulnerable to relay attacks, according to 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 as the encrypted signal that the key fob transmits is unique to each car. This makes it very difficult for thieves steal the car. Security Today's newer cars pack in more high-tech electronic features than ever, and some of them are found in the key fob. These devices can do much more than locking and unlocking doors, or making chirping sounds to help motorists locate their car in parking areas. However smart keys cars are unaware of the full capabilities. For instance, some smart keys can activate a vehicle's automatic windows and sunroof when they are activated. A auto editor from CR once walked out to her Honda Accord only to find all the windows closed and sunroofs open. That's one of the reasons she was so grateful for her Smart Key, which locked the car automatically. Some smart keys employ computer-encrypted signals to thwart car burglars According to How Stuff Works. This technology prevents hotwiring, in which thieves take the vehicle's engine control module (ECM), which is usually found on the front of the engine block. The ECM manages many essential functions like engine power, transmission control and more. Other technologies in smart keys include anti-theft coding and a unique security ID that is assigned to each key. This can block the ignition if it's not the right one. The security ID is a special code that's transmitted from the ECM to the key when it's inserted in the ignition, and is confirmed 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, trigger the brakes and suspension and even start your car. It can also provide information about your car like the level of fuel and the temperature of your oil. Like any piece of electronic equipment, a smart car key fob needs regular maintenance to ensure it functions effectively. Modern key fobs feature indicators for the batteries to inform the driver when it is time to replace the battery. Replacing the battery is a straightforward process, and no specialized tools are required. In some instances the smart key could stop functioning entirely. If you suspect this to be the case, you can reset it by leaving the vehicle and returning to the vehicle. This will enable the car to understand that the key fob is still in the vehicle and let it to function again. Get in touch with a locksmith if are unable to get your key fob to function. They can reprogram the fob so that it is recognised by the car and you can utilize all of its features. It's generally cheaper to do this rather than purchasing a new key fob, and it could save money in the end. In some instances, a locksmith can even fix a fob that is already in use so that it can be used to create a new key. This could save you more money in the long run.