What Can a Smart Car Key Fob Do For You?

Known as fobs, keyless entry or smart keys, they were first introduced by Mercedes in 1998. These fobs controlled by computers are capable of performing various tasks like locking and unlocking the car or beginning it.

They function by sending a rolling encrypted message. This protects them from tech-savvy thieves.

Safety

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

A new vulnerability allows thieves to exploit this type of communication. Relay attacks are carried out using devices that transmit at the same frequency as the key fob. how to unlock a smart car without a key Stuff Works Electronics says that a burglar could slip one of these devices inside an unnoticed pocket or a hidden location to stop the lock command remotely. This is a risk that could become more commonplace as more drivers switch to smart keys.

A smart key fob isn't only a security feature however, it can make your life easier by automatically taking care of the needs of your vehicle. A key fob that connects to your smartphone, for example can detect your presence and unlock the doors so you don't have to press the remote button. It also can detect that you're leaving the vehicle and automatically lock it, so that you don't forget to lock your doors. Many smart key fobs come with an indicator for batteries that informs you in advance that the battery is running low. Most models allow you to replace the battery quickly and easily, without the need for any special tools.

Convenience

As opposed to a traditional metal key smart keys do not require physical insertion into an ignition slot in order to unlock or start the vehicle. Rather, the driver simply has to put it on them and bring it within range of the vehicle, as described by the BMW Group. In reality, some smart keys, like the Display Key, come with a small LCD touchscreen in color that allows drivers to access features such as locking, unlocking, and keyless start directly from their key fob, without needing to connect to their car's Bluetooth system.

Another way smart keys can save drivers time is by automatizing the process of locking their doors when they leave. This feature is offered in a variety of automobiles, according to Consumer Reports, and can also make it easier to get into tight parking spaces without accidentally hitting something or anyone.

Open Road Auto Group explains that smart keys cars key systems do not transmit the same frequency signal in a series of, as this can make them more susceptible to relay attacks. As such it is impossible for a stolen car to be wired hot if it's equipped with a smart key since the encrypted signal that the key fob transmits is unique to each car. This technology makes it extremely difficult for thieves to steal a vehicle.

Security

Today's newer cars pack in more high-tech electronic features than ever before, and a few of them are housed on the key fob. These gadgets are capable of much more than locking and unlocking doors or making chirping sounds to help motorists locate their car in parking spaces. However there are some who are unaware of the full capabilities.

Certain keys, such as instance, can trigger the auto windows and sunroofs of vehicles when pressed. One auto editor in CR went into her Honda Accord to find the windows shut and the sunroof wide open. She was grateful for her Smart Key that automatically locked the car.

Certain smart keys utilize computer-encrypted signals to thwart car burglars according to How Stuff Works. This technology stops hotwiring in which thieves steal a vehicle's engine controller module (ECM) which is usually located in front of the engine. The ECM manages many essential functions, including engine power, transmission control, and other functions.

Other features of smart keys include anti-theft codes and a security ID unique to each key. This can disable the ignition if it's not the right one. The security ID is a number 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 start your engine and also activate the suspension and brakes remotely. It also provides information about your car, including the level of fuel and the temperature of your oil.

Like all electronic equipment, a smart car key fob needs regular maintenance to ensure it functions properly. Modern key fobs have indicators for the battery that inform the driver that it is time to replace the battery. It's easy to replace the battery and you don't require any special tools.

In certain instances, the smart key will stop working completely. If you suspect that this is the case, try to reset it by getting out of the car and then coming back inside. This will allow the car to recognize that the fob is active and allow it return to normal operation.

If you're not able to get your fob to function get in touch with a locksmith for help. They can reprogram the fob in order that it is recognized by the car and you are able to use all its features. This is usually less expensive than buying a new fob and can save you money over time. In certain instances, the locksmith can fix an existing key fob to be able to exchange it for a new one. This could save you more money in the long run.