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What Can a Smart Car Key Fob Do For You?

Known as fobs, keyless entry or smart keys, they were introduced by Mercedes in 1998. Key fobs that are computer controlled can perform a variety of functions, including locking and unlocking a car as well as launching it.

They function by broadcasting an encrypted stream. This makes them more resistant to hackers with a technological edge.

Safety

A smart key fob constantly communicates with the vehicle through radiofrequency signals. It transmits a low-power signal that, when pressed, instructs the car to open doors and start the engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that even if the key fob is stolen, it cannot be used to start the car.

But a new type of hacking technique can permit thieves to take advantage of that communication. Relay attacks are carried out with devices that transmit at the same rate as keys. A burglar can put one of these gadgets in a pocket or hiding in a place to block the lock command from a distance. How Stuff Works Electronics. This is a problem that could become more frequent as more people change to smart keys.

Apart from these security features, a smart car key fob programming key fob can make life easier by automatically adjusting to your vehicle's needs. For instance, a key fob that's linked to your smartphone can detect your presence and open the doors, meaning it's not necessary to press a button on the remote. It can also sense that you are leaving the car and then automatically lock it, so that you don't forget to lock your doors. Many smart key fobs include a battery indicator that warns you in advance that the battery is running low. The replacement smart key of the battery in most models is a quick and easy process that does not require any special tools.

Convenience

Contrary to traditional keys made of metal Smart keys do NOT require physical inserting into the ignition slot to unlock or start a car. Rather, the driver simply has to put it on their hands and bring it within range of the vehicle, as explained by the BMW Group. Some smart keys, including the Display Key, have an incredibly small LCD touchscreen that gives users access to features like locking, unlocking and keyless starting directly from their key fob without the need to connect the Bluetooth system in the car.

Another way that smart car key recoding keys can help drivers save time is by automating the process of locking their car doors when they leave it. This feature is available in many vehicles, according to Consumer Reports, and can assist in allowing drivers to move into parking spots that are tight without causing injury to something or someone else.

Open Road Auto Group explains that smart key systems do not transmit the same frequency signal over and over, as this can make them more susceptible to relay attacks. In this way the vehicle that is stolen cannot be hotwired even if it's equipped with a smart key as the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it extremely difficult for thieves steal the car.

Security

Some of the top-of-the-line electronic features that are present in modern vehicles are found in the key fob. These devices do more than simply open and close doors, or make chirping sounds to help drivers find their car in a parking area, but some owners may not be aware of everything that these smart key fobs do.

Certain keys, such as instance, will activate the auto windows and sunroofs of a vehicle when they are pressed. A auto editor from CR once walked out to her Honda Accord only to find all the windows closed and the sunroof opened. She was thankful for her Smart Key that automatically locked the car.

Certain smart keys utilize computer-encrypted signals to deter car thieves According to How Stuff Works. This technology can prevent hotwiring in which thieves steal a vehicle's engine controller module (ECM) typically located in front of the engine. The ECM manages many essential functions such as engine power, transmission control, and other functions.

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

Maintenance

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

A smart car key fob, as every other electronic device requires regular maintenance to function effectively. Key fobs that are modern have indicators for batteries that inform the driver when the battery is running low. It's easy to replace the battery and you don't need any special tools.

In certain instances the smart key might cease to function completely. If you suspect this is the case Try to reset the smart key by leaving the vehicle and 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 unable to make your fob work get in touch with a locksmith for help. They can reprogram the fob to ensure that it can be recognized by the car and you can make use of all its features. This is usually cheaper than purchasing a new key and can save you money over time. In some cases, a locksmith can fix an existing key fob to be able use it for a new one. This can save you money in the end.