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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 computer-controlled fobs are capable of performing many tasks like locking and unlocking the car or the car's start-up.

They function by sending an encrypted, rolling message. This makes them more receptive to thieves who are tech-savvy.

Safety

A smart key fob continually communicates with a vehicle using radiofrequency signals. It transmits a low-power message that, when pressed signals the car to unlock doors and start its engine. The car recognizes the unique encrypted code from a specific keyfob. This means that in the event that the keyfob is stolen, the car is unable to start.

But a new type of hack can permit thieves to take advantage of that communication. Relay attacks utilize devices that transmit on the same frequency as the key fob. A thief can place one of these gadgets in a purse or hiding spot to jam the lock command from a distance. How Stuff Works Electronics. This issue could become more common as more people switch to smart keys.

Apart from these security features, smart key car key fobs can make life easier by automatically tending to the needs of your vehicle. For instance the key fob connected to your smartphone can detect your proximity and unlock the doors so that you don't have to press the remote button. It could also detect that you are leaving the car and then automatically lock it, so you won't forget to lock the doors. A majority of smart key fobs have a battery indicator which warns you when the battery is low. The majority of models let you replace the battery quickly and easily without any special tools.

Convenience

smart fortwo key programming keys do not need to be inserted physically into an ignition slot to open or start the vehicle. BMW Group explains that the driver is only required to bring the key within the range of the car. Certain smart keys, like the Display Key, feature a small LCD touchscreen that allows drivers to access features such as locking, unlocking and keyless start directly from their key fob, without having to connect to the Bluetooth system of the car.

A smart key can also save drivers time by automating the closing of their car doors when they leave. Consumer Reports says that this feature is available on many automobiles. It can also make it easier for drivers to maneuver into tight spots without accidentally pushing someone or something.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal in a series of in order to make them more vulnerable to relay attacks. Smart keys are unique to each vehicle, so a stolen vehicle can't be wired. This makes it extremely difficult for thieves to steal a vehicle.

Security

Today's newer cars pack in the most advanced electronic features ever before, and many of them are housed in the key fob. These devices can do more than lock and unlock doors, or make chirping sounds that assist drivers in finding their car in a parking space However, some owners may not be aware of everything the things these smart key fobs can accomplish.

For example, some smart keys are able to activate the auto windows of a car and sunroof if they are hit. A auto editor from CR once walked out to her Honda Accord only to find all the windows closed and sunroof open. She was thankful for her Smart Key that automatically locked the car.

Some replacement smart car key keys employ computer-encrypted signals to thwart car thieves According to How Stuff Works. This technology prevents hotwiring in which thieves steal a vehicle's engine controller module (ECM), usually located in front of the engine. The ECM is responsible for a variety important functions, including transmission control and engine power.

Smart keys also have anti-theft codes, as well as an unique ID security code assigned to each key. This will disable the ignition when the wrong key is used. The security ID is a digit that is transmitted by the ECM from the key to the ignition, followed by verification by a sensor in the car.

Maintenance

A smart car key fob can do much more than unlock your door. It can start your engine and also activate suspension and brakes remotely. It also gives you information about your vehicle including fuel level and oil temperature.

A smart key market car key fob, as any other electronic device, requires regular maintenance in order to function correctly. Modern key fobs have indicators for batteries that notify drivers when it's time to replace the battery. It is simple to replace the battery and you don't need special tools.

In some cases however the smart key may stop working completely. If you suspect that's the case, you can reset it by getting out of the car and returning to the vehicle. This will help the car recognize that the fob is active and allow it be functional again.

Contact a locksmith in the event that you are not able to get your key fob working. They can reprogram it to ensure that the car recognizes it once more and allows you to use all of its functions. This is usually less expensive than purchasing a new key and could save you money over the course of time. In some cases locksmiths can modify an existing fob to be used to make a new key. This could save you money in the end.