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What Can a Smart Car Key Fob Do For You?
Mercedes introduced the first fobs in the year 1998. They are also known as smart keys, keyless entry, or keyless entry fobs. These computer-controlled fobs are capable of carrying out a variety of tasks like locking and unlocking the vehicle or starting it.
They transmit an encrypted, rolling message. This keeps them safer from thieves with advanced technology.
Safety
A smart key fob communicates constantly with the vehicle via radiofrequency waves. It sends a low-power signal that, upon pressing it, signals the vehicle to unlock doors and begin the engine. smart fortwo key fob recognizes the unique encrypted code that is generated by a specific key fob. This means that even when the key fob has been stolen, it isn't used to begin the car.
But a brand new type of hacking could allow thieves to exploit that communication. Relay attacks employ devices that transmit at the same frequency as the key fob. A thief can place one of these gadgets in a purse or hiding area to disable the lock command from a distance. How Stuff Works Electronics. This is a risk which could become more frequent, as more drivers adopt smart keys.
Aside from these security features, an intelligent key fob could simplify your life by automatically attending to your vehicle's needs. For example a key fob connected to your smartphone will detect your proximity and unlock the doors, so you don't have to press the remote button. It can also detect when you're leaving the car and auto-lock the car, meaning you don't have to worry about not locking the doors. Many smart key fobs have a battery indicator that warns you in advance that the battery is low. The majority of models let you replace the battery quickly and conveniently without any special tools.
Convenience
Smart keys do not need to be physically inserted into an ignition slot to open or start the car. Instead, the user must have it on their hands and be able to bring it within range of the vehicle, as explained by the BMW Group. In reality, some smart keys, like the Display Key, have tiny LCD touchscreen in color that allows users to access features such as locking or unlocking as well as keyless start right from their keys without needing to connect to the car's Bluetooth system.
A smart key can help drivers save time by automating the locking of their car doors when they leave. Consumer Reports says that this feature is available on a wide range of vehicles. It also makes it easier for drivers to maneuver around tight spaces without accidentally hitting someone or something.
Open Road Auto Group explains that smart key systems don't transmit the same frequency signal in a series of which can make them more vulnerable to relay attacks. Smart keys are specific to each vehicle, so a stolen car cannot be hotwired. This makes it extremely difficult for thieves to steal a vehicle.
Security
Modern cars come with more high-tech electronic features than ever before, and some of those are located in the key fob. These devices do much more than just lock and unlock doors or make chirping sounds to assist drivers in finding their car in a parking lot However, some drivers may not be aware of all that these smart key fobs can do.
For instance, certain smart keys can activate a vehicle's automatic windows and sunroof when they are activated. One auto editor from CR walked into her Honda Accord to find the windows all down and the sunroof open. This is one of the reasons she was grateful for her Smart Key, which locked the vehicle automatically.

According to How Stuff Works, some smart keys make use of computer-encrypted signals to deter car thieves. This technology blocks hotwiring, which thieves steal a vehicle's engine controller module (ECM) which is typically located at the front of the engine. The ECM regulates a variety of essential functions, including engine power and transmission control.
Other smart keys' features include anti-theft codes and a security ID unique to each key, which 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 followed by verification by a sensor inside the car.
Maintenance
A smart car key fob does more than just unlock your door. It can remotely start your engine, operate the brakes and suspension and even start your car. It can also provide information about your car like the level of fuel and oil temperatures.
A smart car key fob like any other electronic device, requires regular maintenance in order to function properly. Key fobs that are modern have indicators for batteries that inform the driver when the battery is low. It is simple to replace the battery and you don't need any special tools.
In certain situations the smart key may stop functioning completely. If you suspect this is the problem Try to reset the smart key after leaving the vehicle and coming back inside. This will enable the car to understand that the key fob is still inside the vehicle, and allow it to function again.
If you're unable to make your fob work get in touch with a locksmith for assist. They can reprogram it to ensure that the car can recognize it again and allows you to use all of its functions. This is usually less expensive than buying a brand new fob and could save you money over the course of time. In some cases locksmiths can repair an existing fob to be used to create a new key. This can save you money in the end.