The 10 Scariest Things About Smart Car Key Fob Replacement
What Can a Smart Car Key Fob Do For You?
They are also known as fobs, keysless entry or smart keys, they were first introduced by Mercedes in 1998. These key fobs controlled by computers can accomplish many things, including locking and unlocking a car and also starting it.
They transmit a rolling encrypted message. This makes them less vulnerable to hackers with a technological edge.
Safety
A smart key fob constantly communicates with vehicles through radiofrequency signals. It transmits a low-power signal that, when pressed, will instruct the car to open doors and start the engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that if the keyfob is stolen, the car is unable to be started.
A new hack allows thieves to take advantage of this type of communication. Relay attacks are carried out using devices that transmit at the same frequency as keys. A burglar can put one of these gadgets in a pocket or hiding in a place to block the lock command from a distance, says How Stuff Works Electronics. smart keys for cars is a risk that is likely to become more prevalent as more drivers adopt smart keys.
Apart from these security features, smart key fobs can simplify your life by automatically attending to the needs of your vehicle. For instance a key fob linked to your smartphone could detect your proximity and unlock the doors, so you don't have to hit the remote button. It also can detect that you're leaving the vehicle and automatically lock it, so that you will not forget to lock the doors. Many smart key fobs have a battery indicator that warns you ahead of time if the battery is at a low level. The majority of models let you replace the battery quickly and without any tools or equipment required.
Convenience
Smart keys do not need to be inserted physically into an ignition slot to unlock or start the car. BMW Group explains that the driver only needs to bring the key within the range of the car. Certain smart keys, such as the Display Key, have small LCD touchscreen that grants drivers access to features such as locking, unlocking, and keyless starting directly from their key fob without the need to connect the Bluetooth system in the car.
Another way smart keys could help save time for drivers is by automating the process of locking their doors after they leave. Consumer Reports says that this feature is offered on a number of vehicles. It also makes it easier for drivers to maneuver into tight spots without accidentally pushing someone or something.
Open Road Auto Group explains that smart key systems do not 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 car.
Security
Some of the latest electronic features that are present in modern automobiles are included in the key fob. These gadgets are capable of much more than simply locking and unlocking doors, or making chirping sounds to help drivers locate their car in parking spaces. However there are some who are unaware of the full capabilities.
Certain smart keys, for instance, can trigger the automatic windows and sunroofs on an automobile when pressed. One auto editor at CR was able to walk into her Honda Accord to find the windows all down and the sunroof wide open. She was thankful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart keys utilize computer-encrypted signals to deter car thieves. This technology blocks hotwiring, which thieves steal a vehicle's engine controller module (ECM) typically located at the front of the engine. The ECM controls many vital functions such as engine power, transmission control, and more.
Smart keys also come with anti-theft code and a unique ID security code assigned to each key. This can disable the ignition if the wrong key is used. The security ID is a specific code that's transmitted from the ECM to the key when it's inserted into the ignition and then verified by a sensor inside the car.
Maintenance
A smart car key fob does more than just unlock your door. It can start your engine and operate suspension and brakes remotely. It also provides information about your car such as the level of your fuel and oil temperatures.
Like all electronic equipment smart car key fob requires regular maintenance in order to function correctly. Most modern key fobs feature indicators for batteries that notify the driver when the battery is running low. Replacing the battery is a straightforward procedure, and no specialist tools are required.
In some instances, however, a smart key can stop working entirely. If you suspect this is the problem, try to reset the smart key by leaving the vehicle and then returning to it. This will allow the car to know that the key fob is in the vehicle and let it regain functionality.
Contact a locksmith if are not able to get your key fob working. They can reprogram it so that the car recognizes it once more and allows you to utilize all of its features. This is usually cheaper than buying a brand new fob and can save you money over the course of time. In some cases, the locksmith can fix an existing key fob to be able use it for a new one. This can help you save more money in the long run.