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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 first introduced by Mercedes in 1998. Key fobs that are computer controlled can accomplish many things, including locking and unlocking a car and also starting it.

They operate by broadcasting an encrypted stream. This protects them from hackers with a technological edge.

Safety

A smart key fob communicates with a vehicle, through radiofrequency signals. It sends out a low-power signal that, upon pressing the button, instructs the vehicle to unlock doors and begin the engine. The car is programmed to recognize the unique encrypted code of a specific key fob. This means that if the keyfob is stolen, the car is unable to be started.

A new vulnerability 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 a burglar could slip one of these devices into an unnoticed pocket or a hidden location to stop the key fob's lock command remotely. This is a risk that could become more commonplace as more drivers switch to smart roadster key programming keys.

A smart key fob isn't just a security device, but it can also make your life easier by automatically taking care of the requirements of your vehicle. For example the key fob linked to your smartphone could detect your presence and open the doors, meaning it's not necessary to press the remote button. It can also recognize that you are leaving the car and automatically close it, so you won't forget to lock the doors. Many smart key fobs feature an indicator for the battery that warns you when the battery is depleted. Most models allow you to replace the battery quickly and easily, without any special tools.

Convenience

Contrary to traditional keys made of metal smart keys do not require physical insertion into an ignition slot to unlock or start a vehicle. Instead, the driver has to put it on them and be able to bring it within range of the vehicle, as explained by the BMW Group. In fact, some smart keys, including the Display Key, have an extremely small LCD color touchscreen that allows users to access features like locking or unlocking and keyless start directly from their key fob, without needing to connect to their car's Bluetooth system.

A smart key can help drivers save time by automating the closing of their car doors after they leave. This feature is offered in a number of automobiles, according to Consumer Reports, and can also help get into tight parking spaces without accidentally hitting something or someone else.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal repeatedly and this could make them more susceptible to relay attacks. smart car replacement key keys are specific to each vehicle therefore a stolen vehicle cannot be wired. This makes it very difficult for thieves to steal cars.

Security

Today's newer cars pack in more advanced electronic features than ever before, and many of those are located inside the key fob. These devices are capable of more than locking and unlocking doors, or making chirping noises to help motorists locate their car in parking lots. However, some owners may be unaware of the full capabilities.

For instance, certain smart keys can activate windows that are automatically opened and sunroof once they are pressed. One auto editor in CR entered her Honda Accord to find the windows closed and the sunroof fully open. She was grateful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart keys employ computer-encrypted signals to protect against car thieves. This technology is able to prevent hotwiring in which thieves steal the engine control module (ECM) which is usually located in the front of the engine block. The ECM manages many essential functions, including engine power, transmission control, and more.

Other features of smart keys include anti-theft encryption and a unique security ID that is assigned to each key, which can disable the ignition if it's not the correct one. The security ID is a code that is transmitted by the ECM from the key to the ignition and then confirmed by a sensor located in the car.

Maintenance

A smart car key fob can do much more than unlock your door. It can remotely start your engine, operate the brakes and suspension and even start your vehicle. It can also provide information about your car including the level of fuel and oil temperatures.

Like all electronic equipment the smart car key fob needs regular maintenance in order to function properly. Modern key fobs include indicators for the battery that inform the driver when it is time to replace the battery. Replacing the battery is a straightforward procedure, and no special tools are required.

In some instances the smart key could stop working completely. If you suspect this to be the case, attempt to reset it by getting out of the vehicle and then returning inside. This will let the car recognize that the fob is still in place and allow it to regain functionality.

Get in touch with a locksmith if are not able to get your key fob to function. They can reprogram it to ensure that the car can recognize it and allows you to utilize all of its functions. This is usually less expensive than buying a brand new fob and can save you money over time. In some cases locksmiths can modify an existing fob to allow it to be used to create a new smart car key key. This could save you money in the end.