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What Can a Smart Car Key Fob Do For You?

Also known as fobs, keyless entry or smart keys, they were introduced by Mercedes in 1998. These computer-controlled key fobs can perform a variety of functions, including locking and unlocking vehicles and even starting it.

They operate by broadcasting an encrypted, rolling signal. This makes them more receptive to tech-savvy thieves.

Safety

A smart key fob is constantly communicating with a vehicle via radiofrequency waves. It sends a low-power signal that, upon pressing the button, instructs the vehicle to unlock doors and start the engine. The car recognizes the encrypted code that is generated by a specific keyfob. This means that if the keyfob is stolen, the car will not be started.

But a brand new type of hacking can let thieves exploit this communication. Relay attacks are carried out with devices that transmit at the same frequency as a key fob. How Stuff Works Electronics says that a burglar could slip one of these devices in an unnoticed pocket or a hidden location to stop the remote control of the lock. It's a problem that will become more frequent as more drivers switch to smart keys.

Apart from these security options, the smart key fob can simplify your life by automatically attending to the needs of your vehicle. A key fob that is connected to your smartphone, for example can sense your presence and allow you to unlock the doors so you do not have to hit the remote button. It can also tell when you're leaving the car and auto-lock the car, so you don't need to worry about forgetting to lock the doors. A lot of Smart Key Copy key fobs come with an indicator for batteries that informs you well in advance when the battery is low. The replacement of the battery in most models is a quick and easy process that does not require any special tools.

Convenience

As opposed to a traditional metal key Smart keys do not require physically inserting into the ignition slot in order to unlock or start the vehicle. BMW Group explains that the driver just needs to bring the key within reach of the car. In reality, certain smart keys, such as the Display Key, feature small LCD color touchscreen that allows users to access features such as locking or unlocking as well as keyless start right from their key fob without needing to connect to their car's Bluetooth system.

Smart keys can also save drivers time by automating the closing of their car doors after they leave. Consumer Reports says that this feature is offered on a number of automobiles. It also makes it easier for drivers to maneuver around tight spaces without accidentally hitting the door or something else.

Open Road Auto Group explains that smart key near me key systems don't transmit the same frequency signal repeatedly which can make them more susceptible to relay attacks. So the vehicle that is stolen cannot be hotwired if it is equipped with a smart key as the encrypted signal that the key fob transmits is unique to each car. This technology makes it incredibly difficult for thieves to steal a vehicle.

Security

Today's newer cars pack in the most advanced electronic features ever before, and some of those are located inside the key fob. These devices are capable of much more than simply locking and unlocking doors, or making chirping sounds to assist motorists locate their car in parking lots. However there are some who are unaware of the full capabilities.

For instance, certain smart keys are able to activate the auto windows of a car and sunroof once they are hit. One auto editor from CR walked into her Honda Accord to find the windows completely shut and the sunroof fully open. That's just one reason she was grateful for her Smart Key, which locked the vehicle automatically.

According to how to unlock a smart car without a key Stuff Works, some smart keys make use of computer-encrypted signals to stop car thieves. This technology stops hotwiring, in which thieves steal the vehicle's engine control module (ECM) which is usually found on the front of the engine block. The ECM is responsible for many important functions, including engine power, transmission control, and other functions.

Smart keys also include anti-theft code and a unique ID security code that is assigned to each key. This could stop ignition when the wrong key is used. The security ID is a digit that is transmitted by the ECM from the key to the ignition and then verified by a sensor located in the car.

Maintenance

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

A smart car key fob, like any other electronic device, requires regular maintenance to function correctly. Modern key fobs feature indicators for the battery that inform the driver when it's time to replace the battery. Replacing the battery is a simple process, and no specialized tools are required.

In some cases however, the smart key will cease to function completely. If you suspect that's the case, try to reset it by taking the car out and returning to the vehicle. This will let the car recognize that the fob is in place and allow it to be functional again.

If you can't get your fob to work get in touch with a locksmith for help. They can reprogram it to ensure that your car recognizes it again and allows you to use all of its functions. This is usually cheaper than buying a brand new fob and could save you money over the course of time. In some cases locksmiths are able to fix an existing fob in order to be used to create new keys. This can save you money in the end.