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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 keys, keyless entry or keyless entry fobs. The fobs that are computer controlled are capable of performing many tasks including locking and unlocking your car or beginning it.

They work by transmitting an encrypted, rolling message. This makes them less vulnerable to tech-savvy thieves.

Safety

A smart car key programmer key fob communicates with a vehicle through radiofrequency waves. It sends a low-power signal that, when pressed, instructs the car to open doors and begin its engine. The car recognizes the encrypted code from a particular keyfob. This means that even when the key fob is stolen, it won't be used to start the car.

A new vulnerability allows thieves to take advantage of this type of communication. Relay attacks are based on devices that transmit on the same frequency as the key fob. The thief could place one of these gadgets in a pocket or hidden location to thwart the lock command from a distance. How Stuff Works Electronics. This issue could become more common as more drivers adopt smart keys.

A smart key fob isn't only a security tool but can also make your life easier by automatically taking care of the requirements of your vehicle. A key fob that connects to your smartphone, for instance can detect your presence and open the doors, so you don't have to press a remote button. It can also sense when you're leaving and auto-lock the car, so you don't have to fret about forgetting to lock the doors. Many smart key fobs include a battery indicator that warns you ahead of time if the battery is low. The majority of models let you replace the battery quickly and easily, without the need for any special tools.

Convenience

Contrary to traditional keys made of metal smart keys do not require physically inserting into the ignition slot to unlock or start the vehicle. Rather, the driver simply must have it on their hands and bring it within range of the vehicle, as described by the BMW Group. Some smart 450 key programming keys, including the Display Key, come with a small LCD touchscreen that gives users to access features such as locking, unlocking, and keyless start 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 doors when they leave. Consumer Reports says that this feature is offered on a number of automobiles. It also makes it easier for drivers to maneuver into tight spots without accidentally squeezing the door or something else.

Open Road Auto Smart Key Replacement Group explains that smart key systems don't transmit the same frequency signal in a series of, as this can make them more susceptible to relay attacks. Smart keys are specific to each vehicle therefore a stolen vehicle cannot be hotwired. This technology makes it difficult for thieves steal the car.

Security

Some of the latest electronic features that are present in modern vehicles are found in the key fob. These gadgets do much more than simply lock and unlock doors or make chirping sounds that help drivers find their car in a parking space However, some drivers may not be aware of everything that these smart key fobs do.

For example, some smart forfour key keys can turn on windows that are automatically opened and sunroof once they are activated. One auto editor from CR walked into her Honda Accord to find the windows shut and the sunroof open. She was thankful for her Smart Key that automatically locked the car.

Certain smart keys use encrypted computer signals to thwart car thieves according to How Stuff Works. This technology can prevent hotwiring in which thieves steal a vehicle's engine controller module (ECM) which is typically located at the front of the engine. The ECM manages many essential functions like engine power, transmission control and more.

Other technologies used in smart keys include anti-theft code and a security ID unique to each key. This can turn off the ignition if it's not the right one. The security ID is a unique code that is transmitted by the ECM from the key to the ignition, and then verified with a sensor in the car.

Maintenance

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

Like any piece of electronic equipment like a smart car key fob needs regular maintenance to operate effectively. Key fobs that are modern have battery indicators that warn the driver when the battery is low. It's easy to replace the battery, and you don't need any special tools.

In some cases however the smart key may stop working completely. If you suspect that's the case, try to reset it by getting out of the car and then re-entering it. This can help the car recognize that the fob is still in place and allow it to be functional again.

If you can't get your fob to function, contact a locksmith to help. They can reprogram it so that the car recognizes it again and allows you to utilize all of its functions. This is usually cheaper than buying a new fob and can save you money over time. In some cases, a locksmith can fix an existing key fob in order to be able use it for a new smart car key one. This could save you money in the end.