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What Can a Smart Car Key Fob Do For You?

Known as fobs, keyless entry or smart keys, they were first introduced by Mercedes in 1998. The fobs that are computer controlled are capable of performing a variety of functions including locking and unlocking the car or beginning it.

They operate by broadcasting an encrypted and rolling signal. This keeps them safer from hackers with a technological edge.

Safety

A smart car Key fob replacement key fob continuously communicates with a vehicle by radiofrequency waves. It sends a low-power signal that, upon pressing the button, instructs the vehicle to unlock doors and start the engine. The car can recognize the unique encrypted code of a particular key fob. This means that if the keyfob is stolen, the car can't be started.

But a brand new type of hack can let thieves exploit this communication. Relay attacks employ devices that transmit at the same frequency as the key fob. The thief could place one of these gadgets in a pocket or hidden area to disable the lock command from a distance, according How Stuff Works Electronics. This is a risk that may become more common as more motorists switch over to smart keys.

Apart from these security features, smart key fobs can simplify your life by automatically tending to the needs of your vehicle. For instance a key fob connected to your smartphone can detect your presence and then unlock the doors, meaning you don't need to push the remote button. It can also sense when you're leaving and automatically lock the vehicle, so you don't have worry about forgetting to lock the doors. Many smart key fobs come with an indicator of the battery that tells you well in advance when the battery is getting low. Most models allow you to replace the battery quickly and conveniently without any special tools.

Convenience

Smart keys are not required to be physically placed in an ignition slot to unlock or start the car. BMW Group explains that the driver just needs to bring the key within reach of the car. Some smart key market keys, like the Display Key, feature tiny LCD touchscreen that grants drivers access to features like locking, unlocking and keyless starting directly from their key fob without the need 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. Consumer Reports says that this feature is present on a variety of automobiles. It can also make it easier for drivers to maneuver around tight spots without accidentally squeezing someone or something.

Furthermore, smart key systems usually do not transmit the same frequency signal over and over and this can make them more susceptible to relay attacks, explains Open Road Auto Group. Smart keys are unique to each vehicle, so a stolen car cannot be wired. This makes it extremely difficult for thieves to steal a vehicle.

Security

Modern cars have more advanced electronic features than ever before, and many of them are contained in the key fob. These gadgets do much more than simply lock and unlock doors, or emit chirping sounds to help drivers find their vehicle in a parking lot however, some owners might not be aware of everything the things these smart key fobs are able to do.

For instance, certain smart keys can turn on the auto windows of a car and sunroof when they are hit. One CR auto editor went into her Honda Accord to find the windows shut and the sunroof wide open. She was thankful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart keys use computer encrypted signals to prevent car thieves from stealing. This technology can prevent hotwiring in which thieves steal the engine controller module (ECM) which is usually located in front of the engine. The ECM manages a range of vital functions, such as transmission control and engine power.

smart car key programming keys also have anti-theft codes and a unique ID security code assigned to each key. This could disable the ignition if the wrong key is used. The security ID is a digit that is transmitted by the ECM from the key to the ignition and then validated by a sensor located in the car.

Maintenance

Smart car key fobs do much more than unlock the door. It can start your engine and operate the brakes and suspension remotely. It can also provide details about your car, like the level of fuel and oil temperature.

A smart car key fob, just like any other electronic device, requires regular maintenance in order to work properly. Modern key fobs come with indicators for the batteries to inform the driver when it is time to replace the battery. It is simple to replace the battery and you don't need special tools.

In certain instances, however, a smart car key not working key could stop functioning entirely. If you suspect that's the case, you can reset it by taking the car out and then returning inside. This will help the car recognize that the fob is in place and allow it to return to normal operation.

If you're not able to get your fob to work, contact a locksmith to help. They can reprogram the fob so that it can be recognized by your car and you can utilize all of its features. This is usually cheaper than buying a brand new fob and could save you money over time. In some instances locksmiths can fix an existing fob so that it can be used to make an entirely new key. This can save you money in the end.