What Can a Smart Car Key Fob Do For You?

They are also known as fobs, keysless entry or smart keys, they were introduced by Mercedes in 1998. These computer-controlled key fobs can accomplish many things, including locking and unlocking vehicles as well as launching it.

They work by broadcasting an encrypted stream. This makes them more resistant to hackers with a technological edge.

Safety

A smart key fob is constantly communicating with a vehicle via radiofrequency waves. It sends out a low-power signal that, upon pressing the button, instructs the vehicle to unlock doors and begin the engine. The car is programmed to recognize the unique encryption code of a specific key fob. This means that even when the key fob is stolen, it isn't used to start the car.

But a new type of hacking can permit thieves to take advantage of that communication. Relay attacks employ devices that transmit on the same frequency as the key fob. How Stuff Works Electronics says that a burglar could slip one of these devices inside pockets or in a hidden place to block the lock command remotely. This is a problem that is likely to become more prevalent as more people switch over to smart keys.

A smart car key case key fob is not only a security feature, but it can also simplify your life by automatically taking care of the needs of your vehicle. A key fob that connects to your smartphone, for instance, can detect your presence and then unlock the doors, meaning you don't need to press a remote button. It could also detect that you are leaving the car and then automatically close it, so you will not forget to lock the doors. A lot of smart key fobs come with a battery indicator that alerts you when the battery is low. The majority of models let you replace the battery quickly and easily, without any special tools.

Convenience

Unlike a traditional metal key, smart keys do not require physical inserting into an ignition slot in order to unlock or start a vehicle. BMW Group explains that the driver simply needs to bring the key within reach of the car. Some smart keys, like the Display Key, feature an incredibly small LCD touchscreen that gives drivers access to features like locking, unlocking and keyless start directly from their key fob, without the need to connect the Bluetooth system in the car.

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 available on many vehicles. It also makes it easier for drivers to maneuver around tight spaces without accidentally hitting the door or something else.

Additionally, smart key systems generally do not transmit the same frequency signal repeatedly in order to make them more susceptible to relay attacks, explains Open Road Auto Group. So a stolen vehicle can't be wired hot if it's equipped with a smart keys for cars key because the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it extremely difficult for thieves to steal a car.

Security

Some of the top-of-the-line electronic features found in the latest automobiles can be found in the key fob. These devices are capable of more than locking and unlocking doors, or making chirping noises to help drivers locate their car in parking areas. However many owners are unaware of the full capabilities.

Certain smart key replacement keys, for example, will trigger the auto windows and sunroofs of a vehicle when the key is pressed. A CR auto editor once walked out to her Honda Accord only to find all the windows closed and sunroof open. That's one of the reasons she was grateful for her Smart Key, which locked the vehicle automatically.

Certain smart keys utilize computer-encrypted signals to thwart car thieves According to How Stuff Works. This technology blocks hotwiring, which thieves steal a vehicle's engine controller module (ECM), usually located in front of the engine. The ECM regulates a variety of vital functions like engine power, transmission control and more.

Other features of smart keys include anti-theft code and an individual security ID assigned to each key, which could disable the ignition in the event that it's not the correct one. The security ID is a code that is transmitted by the ECM from the key to the ignition, followed by verification by a sensor in the car.

Maintenance

smart key copy car key fobs do much more than unlock the door. It can start your engine and operate suspension and brakes remotely. It also provides details about your vehicle, including fuel level and oil temperature.

Like any piece of electronic equipment the smart car Key coding car key fob requires regular maintenance in order to function properly. Modern key fobs come with indicators for batteries that notify the driver that it is time to replace the battery. It's simple to replace the battery and you don't need special tools.

In some cases the smart key might stop working completely. If you suspect this to be the case, you can reset it by leaving the vehicle and returning to the vehicle. This will help the car recognize that the fob is still active and allow it get back to its normal function.

Contact a locksmith if cannot get your key fob to work. They can reprogram it to ensure that your car recognizes it and allows you to utilize all of its features. This is usually less expensive than buying a brand new fob and could save you money over time. In some cases, a locksmith can fix an existing key fob to be able to use it for a replacement. This can help you save more money in the long run.