What Can a smart key copy Car Key Fob Do For You?

Known as fobs or keyless entry or smart keys, they were first introduced by Mercedes in 1998. The fobs that are computer controlled are capable of carrying out a variety of tasks including locking and unlocking your car or the car's start-up.

They work by transmitting an encrypted message that is continuously transmitted. They are protected from thieves who are tech-savvy.

Safety

A smart key fob communicates with the vehicle via radiofrequency waves. It sends a low-power signal that, when pressed signals the car to unlock doors and start the engine. The car recognizes the unique encryption code from a particular keyfob. This means that even in the event that the key fob gets stolen, it can't be used to begin the car.

A new vulnerability allows thieves to exploit this method of communication. Relay attacks employ devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these gadgets into an unnoticed pocket or a hidden location to block the lock command remotely. It's a problem that could become more common as more motorists switch to smart keys.

In addition to these security features, a smart car key reprogramming key fob can make life easier by automatically tending to your vehicle's needs. For instance the key fob connected to your smartphone will detect your presence and open the doors so that you don't have to press a button on the remote. It can also detect when you're leaving and automatically lock the car, so you don't have to worry about forgetting to lock the doors. A lot of smart key fobs come with a battery indicator which warns you when the battery is depleted. The majority of models let you replace the battery quickly and easily, without any tools or equipment required.

Convenience

Smart keys do not have to be physically placed in an ignition slot to open or start the vehicle. BMW Group explains that the driver simply needs to bring the key within the range of the car. In fact, some smart keys, such as the Display Key, have small LCD touchscreen that enables drivers to access features such as locking or unlocking and keyless start right from their key fob without needing to connect with the car's Bluetooth system.

A smart key could also help drivers save time by automating the closing of their car doors after they leave. Consumer Reports says that this feature is offered on a number of vehicles. It can also make it easier for drivers to maneuver around tight spaces without accidentally crushing someone or something.

Smart key systems generally do not transmit the same frequency signal repeatedly which could make them more susceptible to relay attacks, explains Open Road Auto Group. Smart keys are distinct to each vehicle, therefore a stolen vehicle cannot be wired. This makes it extremely difficult for thieves steal a car.

Security

Some of the high-tech electronic features that are present in modern vehicles are found in the key fob. These gadgets are capable of more than just locking and unlocking doors or making chirping sounds to help motorists locate their car in parking areas. However, some owners may be unaware of the full capabilities.

For instance, some smart keys can activate the auto windows of a car and sunroof once they are activated. A auto editor for CR once went out to her Honda Accord only to find all the windows shut and the sunroof up. She was thankful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart keys make use of computer-encrypted signals to protect against car thieves. This technology prevents hotwiring in which thieves steal the engine controller module (ECM) which is typically located in front of the engine. The ECM is responsible for a variety essential functions, including engine power and transmission control.

Smart keys also come with anti-theft codes, as well as an unique security code for ID assigned to each key. This could disable ignition when the wrong key is used. The security ID is a code that is transmitted by the ECM from the key to the ignition followed by verification by a sensor inside the car.

Maintenance

smart fortwo key programming car key fobs do much more than unlock the door. It can remotely start your engine, activate the brakes and suspension and even start your vehicle. It can also provide information about your car, like the level of fuel and oil temperatures.

Like any piece of electronic equipment like a smart car key fob needs regular maintenance in order to function correctly. Modern key fobs come with battery indicators that warn the driver when the battery is running low. It is easy to replace the battery and you don't require special tools.

In some cases however the smart key may stop working completely. If you suspect that this is the issue try resetting the smart key by removing the vehicle and returning inside. This will allow the car to recognize that the fob is active and allow it regain functionality.

Contact a locksmith if you have trouble getting the key fob to work. They can reprogram it so that the car recognizes it once more and allows you to utilize all of its functions. This is typically cheaper than purchasing a new fob and could save you money over time. In some cases locksmiths are able to repair an existing fob to allow it to be used to create new keys. This can save you money in the end.