What Can a Smart Car Key Fob Do For You?
Known as fobs, keyless entry or smart keys, they were introduced by Mercedes in 1998. They are computer-controlled and capable of performing various tasks like locking and unlocking the car or the car's start-up.
They function by broadcasting an encrypted stream. They are protected from thieves with advanced technology.
Safety
A smart key fob communicates constantly with a vehicle using radiofrequency waves. It sends out a low-power signal that, when pressed signals the car to unlock doors and begin its engine. The car recognizes the encrypted code of a particular keyfob. This means that in the event that the keyfob is stolen, the car can't start.
A new hack allows thieves to take advantage of this communication. Relay attacks use devices that transmit at the same frequency as the key fob. A burglar can put one of these devices in a pocket or hiding area to disable the lock command from a distance, says How Stuff Works Electronics. This is a risk which could become more frequent as more motorists switch over to smart keys.
Aside from these security features, an intelligent key fob could simplify your life by automatically adjusting to your vehicle's needs. For example a key fob connected to your smartphone will detect your location and unlock the doors, so you don't have to hit a button on the remote. It also can detect when you're leaving and auto-lock the car, meaning you don't have to fret about forgetting to lock the doors. Many smart key fobs include an indicator for batteries that informs you in advance that the battery is getting low. The majority of models let you replace the battery quickly and easily, without any tools or equipment required.
Convenience
Smart keys do not need 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 reach of the car. In fact, some smart keys, including the Display Key, come with tiny LCD touchscreen in color that allows users to access features such as locking or unlocking as well as keyless start right from their key fob, without having to connect to the car's Bluetooth system.
A smart key can save drivers time by automating the closing of their car doors when they leave. This feature is offered in many vehicles, as per Consumer Reports, and can help move into parking spots that are tight without causing injury to something or someone else.
Open Road Auto Group explains that smart fortwo key programming key systems don't transmit the same frequency signal in a series of which can make them more vulnerable to relay attacks. As such a stolen vehicle can't be hotwired if it is equipped with a smart key because the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it difficult for thieves steal cars.
Security
A few of the most advanced electronic features that are present in modern automobiles are included in the key fob. These devices can do 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.
Certain keys that are smart, for instance, can trigger the auto windows and sunroofs of a vehicle when the key is pressed. One auto editor in CR was able to walk into her Honda Accord to find the windows shut and the sunroof fully open. She was thankful for her Smart Key that automatically locked the car.
Some smart keys employ computer-encrypted signals to deter car thieves According to How Stuff Works. This technology prevents hotwiring, where thieves steal the engine control module (ECM) which is usually located in the front of the engine block. The ECM regulates a variety of important functions, including engine power and transmission control.
Other features of smart keys include anti-theft code and a unique security ID that is assigned to each key, which could disable the ignition in the event that it's not the correct one. The security ID is a number that is transmitted by the ECM from the key to the ignition, followed by verification 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 vehicle. It also provides information about your car such as the fuel level and oil temperatures.
Like all electronic equipment the smart key copy car key fob needs regular maintenance to function properly. Modern key fobs include indicators for the battery that inform the driver when it is time to replace the battery. Replacing the battery is a straightforward procedure, and no specialized tools are required.
In certain instances however, a smart key may stop functioning completely. If you suspect this is the case, try to reset it by getting out of the car and returning to the vehicle. This will enable the car to understand that the key fob is still in the vehicle and let it to function again.
Contact a locksmith if are not able to get the key fob to work. They can reprogram it so that the car recognizes it and allows you to utilize all of its features. This is usually cheaper than purchasing a new key and could save you money over time. In some cases, the locksmith can repair an existing key fob in order to be able to swap it for a replacement. This could save you more money in the end.
