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What Can a Smart Car Key Fob Do For You? They are also known as fobs, keysless entry or smart keys, they were introduced by Mercedes in 1998. They are computer-controlled and capable of performing many tasks including locking and unlocking the vehicle or getting it started. They transmit a rolling encrypted message. This keeps them safer from thieves with advanced technology. Safety A smart key fob continually communicates with a vehicle via radiofrequency waves. It emits a low power signal that, upon pressing it, prompts the vehicle unlock doors and start the engine. The car recognizes the unique encrypted code from a specific key fob. This means that if the key fob is stolen, the car cannot be started. But a brand new type of hacking can allow thieves to exploit that communication. Relay attacks employ devices which transmit on the same frequency as the key fob. The thief could place one of these devices in a pocket or a hiding location to thwart the lock command from a distance, says How Stuff Works Electronics. This is a risk that is likely to become more prevalent as more people adopt smart keys. smart key locksmith near me is not just a security feature but can also make your life easier by automatically taking care of the requirements of your vehicle. A key fob that is connected to your smartphone, for example can sense your presence and unlock the doors so you don't need to push a remote button. It also can detect the moment you leave and automatically lock the vehicle, so you don't have to worry about forgetting to lock the doors. Many smart key fobs include an indicator for batteries that informs you ahead of time when the battery is getting low. Most models allow you to replace the battery quickly and conveniently without the need for any special tools. Convenience As opposed to a traditional metal key, smart keys do not need to be physically inserted into an ignition slot in order to unlock or start the vehicle. BMW Group explains that the driver simply needs to bring the key within range of the car. Certain smart keys, such as the Display Key, have a small LCD touchscreen that grants users to access features such as locking, unlocking and keyless starting directly from their key fob without having to connect to the Bluetooth system of the car. A smart key could also save drivers time by automating the locking of their car doors when they leave. This feature is offered in a wide range of automobiles, according to Consumer Reports, and can also help navigate through parking spaces that are tight without accidentally hitting something or the person. Smart key systems typically do not send the same frequency signal repeatedly which could make them more susceptible to relay attacks, according to Open Road Auto Group. Smart keys are distinct to each vehicle, therefore a stolen vehicle cannot be hotwired. This makes it extremely difficult for thieves steal a car. Security The latest cars are equipped with the most advanced electronic features ever before, and a few of them are found inside the key fob. These devices are capable of much more than simply locking and unlocking doors, or making chirping sounds to assist motorists locate their car in parking spaces. However there are some who are unaware of the full capabilities. For instance, some smart keys are able to activate the auto windows of a car and sunroof once they are activated. A CR auto editor once walked out to her Honda Accord only to find all the windows closed and sunroof opened. She was thankful for her Smart Key that automatically locked the car. Certain smart keys utilize computer-encrypted signals to thwart car thieves, according to How Stuff Works. This technology stops hotwiring in which thieves steal a vehicle's engine controller module (ECM) typically located at the front of the engine. The ECM controls a variety of vital functions, including engine power and transmission control. Other smart keys' features include anti-theft coding and a security ID unique to each key. This can disable the ignition if it's not the correct one. The security ID is a number that is transmitted by the ECM from the key to the ignition and then validated by a sensor in the car. Maintenance A smart car key fob can do more than just unlock your door. It can remotely start your engine, turn on suspension and brakes, and even start your car. It also provides details about your vehicle, including the level of fuel and the temperature of your oil. A smart car key fob, as any other electronic device requires regular maintenance in order to work correctly. Modern key fobs have indicators for batteries that notify the driver 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, a smart key might stop working entirely. If you suspect that this is the issue Try to reset the smart key by exiting the vehicle and coming back inside. This will enable the car to understand that the key fob is still in the vehicle and allow it to function again. Contact a locksmith in the event that you have trouble getting the key fob to work. They can reprogram the fob in order that it is recognized by the car and you can make use of all its features. It's usually more cost-effective to do this rather than purchasing a new key fob, and it can save you money in the long run. In some cases locksmiths are able to repair an existing fob to be used to make new keys. This can help you save more money in the end.