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What Can a Smart Car Key Fob Do For You?

Also known as fobs, keyless entry or smart keys, they were first introduced by Mercedes in 1998. They are computer-controlled and capable of carrying out a variety of tasks including locking and unlocking the car or starting it.

They work by broadcasting an encrypted and rolling signal. This helps protect them from thieves who are tech-savvy.

Safety

A smart car key fob replacement key fob constantly communicates with vehicles via radiofrequency waves. It sends out a low-power signal that, when pressed, signals the car to unlock doors and begin its engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that if a key fob is stolen, the car will not start.

A new vulnerability allows thieves to exploit this method of communication. Relay attacks are carried out using devices that transmit at the same rate as keys. How Stuff Works Electronics says that thieves could put one of these devices inside the pocket or hidden area to stop the key fob's lock command remotely. It's a concern that could become more common as more drivers adopt smart keys.

A smart key fob isn't just a security feature however, it can make your life easier by automatically taking care of the needs of your vehicle. For example a key fob linked to your smartphone can detect your location and unlock the doors, meaning you don't have to hit the remote button. It can also sense when you're leaving the car and auto-lock the car, meaning you don't have to worry about forgetting to lock the doors. Many smart key fobs feature an indicator for the battery that warns you when the battery is not fully charged. Most models allow you to replace the battery quickly and without any special tools.

Convenience

As opposed to a traditional metal key smart keys do not require physical inserting into the ignition slot in order to unlock or start the vehicle. BMW Group explains that the driver just needs to bring the key within reach of the car. Certain smart keys cars keys, like the Display Key, feature a small LCD touchscreen that grants users access to features like locking, unlocking, and keyless starting directly from their key fob without the need to connect the Bluetooth system of the car.

Another way smart car key fob replacement keys can help drivers save time is by automatizing the process of locking their doors when they leave it. Consumer Reports says that this feature is present on a variety of automobiles. It also makes it easier for drivers to maneuver into tight spots without accidentally pushing the door or something else.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal in a series of, as this can make them more vulnerable to relay attacks. smart forfour key keys are specific to each vehicle, so a stolen vehicle can't be hotwired. This technology makes it extremely difficult for thieves to steal a car.

Security

Today's newer cars pack in more high-tech electronic features than ever before, and many of them are contained in the key fob. These gadgets are capable of more than just locking and unlocking doors or making chirping noises to help drivers locate their vehicle in parking lots. However, some owners may be unaware of the full capabilities.

Certain smart keys, for example, can activate the automatic windows and sunroofs on vehicles when pressed. A Auto editor of CR once walked out to her Honda Accord only to find all the windows down and sunroof up. That's one of the reasons she was so grateful for her Smart Key, which locked the car automatically.

Some smart keys employ computer-encrypted signals to deter car thieves According to How Stuff Works. This technology prevents hotwiring in which thieves steal a vehicle's engine controller module (ECM), usually located at the front of the engine. The ECM controls many vital functions like engine power, transmission control and other functions.

Other technologies used in 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 number that is transmitted by the ECM from the key to the ignition, and then confirmed by a sensor in the car.

Maintenance

Smart car key fobs do more than simply unlock the door. It can start your engine, and also activate the suspension and brakes remotely. It can also provide details about your car, like fuel level and the temperature of your oil.

A smart car key fob like any other electronic device requires regular maintenance in order to function effectively. Modern key fobs feature indicators for the batteries to inform the driver that it is time to replace the battery. It is simple to replace the battery and you don't require any special tools.

In some instances the smart key could cease to function completely. If you suspect this to be the case, attempt to reset it by taking the car out and returning to the vehicle. This will let the car recognize that the fob is still active and allow it return to normal operation.

If you're not able to get your fob to function, contact a locksmith to assist. They can reprogram it to ensure that your car recognizes it once more and allows you to use all of its functions. This is usually less expensive than buying a new fob and could save you money over the course of time. In some instances, the locksmith can fix an existing key fob to be able to exchange it as a replacement. This can save you money in the end.