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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 referred to as smart fortwo key programming keys, keyless entry, or keyless entry fobs. 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 a rolling encrypted message. This keeps them safer from hackers with a technological edge.

Safety

A smart key fob continually communicates with vehicles using radiofrequency signals. It transmits a low-power signal that, when pressed, signals the car to unlock doors and start the engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that if a key fob is stolen, the car can't be started.

But a new form of hacking technique can let thieves exploit this communication. Relay attacks are carried out using devices that transmit at the same rate as key fobs. A thief can place one of these devices in a pocket or hiding area to disable the lock command from a distance, says How Stuff Works Electronics. This is a risk that could become more frequent as more and more drivers switch over to smart keys.

A smart key fob isn't just a security device but can also make your life easier by automatically taking care of the needs of your vehicle. A key fob that is connected to your smartphone, for instance it can detect your presence and unlock the doors, so you don't need to press the remote button. It also can detect that you are leaving the car and automatically lock it, so that you will not forget to lock the doors. A lot of smart key fobs come with an indicator for batteries that tells you when the battery is depleted. Also, replacing the battery in the majority of models is an easy, easy procedure that doesn't require any special tools.

Convenience

Smart keys are not required to be physically inserted into an ignition slot to unlock or start the car. BMW Group explains that the driver just needs to bring the key within range of the car. Some smart keys, like the Display Key, have a small LCD touchscreen that grants users access to features such as locking, unlocking and keyless starting directly from their key fob, without having to connect to the Bluetooth system of the car.

Another way that smart keys can help drivers save time is by automatizing the process of locking their doors when they leave it. This feature is found in a variety of vehicles, as per Consumer Reports, and can assist in allowing drivers to move into parking spots that are tight without causing injury to something or anyone.

Furthermore, smart key systems usually do not transmit the same frequency signal over and over which could make them more vulnerable to relay attacks, as explained by Open Road Auto Group. Smart keys are unique to each vehicle, so a stolen car cannot be wired. This technology makes it difficult for thieves steal the car.

Security

Some of the latest electronic features found in the latest automobiles are contained in the key fob. These devices are capable of more than locking and unlocking doors, or making chirping sounds to assist drivers locate their vehicle in parking spaces. However certain owners might be unaware of the full capabilities.

For instance, some smart keys can turn on the auto windows of a car and sunroof when they are pressed. A Auto editor of CR once walked out to her Honda Accord only to find all the windows shut and the sunroofs open. This was one of the reasons she was grateful for her Smart Key, which locked the car automatically.

According to How Stuff Works, some smart keys utilize computer-encrypted signals to protect against car thieves. This technology is able to prevent hotwiring in which thieves steal the vehicle's engine control unit (ECM), which is usually located on the front of the engine block. The ECM manages many essential functions like engine power, transmission control and other functions.

Other features of smart keys include anti-theft coding and a unique security ID that is assigned to each key. This can disable the ignition if it's not the right one. The security ID is a special code that is transmitted from the ECM to the key once it's put into the ignition. It is then checked by a sensor inside the car.

Maintenance

A smart car key fob does more than just unlock your door. It can start your engine, and also activate suspension and brakes remotely. It also can provide details about your vehicle, like the level of fuel and the temperature of your oil.

Like all electronic equipment the smart car replacement key car key fob requires regular maintenance in order to function effectively. The majority of modern key fobs have battery indicators that warn the driver when the battery is running low. Replacing the battery is an easy procedure, and no special tools are required.

In certain situations, however, a smart key could stop functioning completely. If you suspect that this is the case, try to reset it by leaving the vehicle and then returning inside. This will allow the car to know that the key fob is still in the vehicle and will allow it to function again.

If you're not able to get your fob to function call a locksmith help. They can reprogram the fob in order that it is recognized by your car and you can make use of all its features. It's generally cheaper to do this than buying a new key fob and it will save you money in the end. In some instances, the locksmith can repair an existing key fob to be able use it for a replacement. This can save you more money in the end.