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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 many tasks including locking and unlocking the car or getting it started.

They operate by broadcasting a rolling encrypted signal. This protects them from thieves with advanced technology.

Safety

A smart key fob communicates constantly with a vehicle using radiofrequency waves. It transmits a low-power signal that, when pressed instructs the car to open doors and begin its engine. The car can recognize the unique encrypted code from a specific key fob. This means that if the keyfob is stolen, the car is unable to be started.

However, a new kind of hacking can permit thieves to take advantage of that communication. Relay attacks utilize devices that transmit at the same frequency as the key fob. A thief can place one of these devices in a purse or hiding location to thwart the lock command from a distance. How Stuff Works Electronics. It's a problem that is likely to become more prevalent as more drivers switch to smart keys.

Apart from these security options, the smart key fob can make life easier by automatically adjusting to your vehicle's needs. For instance an electronic key fob linked to your smartphone can detect your presence and then unlock the doors, so you don't have to press the remote button. It can also recognize that you are leaving the vehicle and automatically secure it, so you will not forget to lock the doors. Many smart key fobs feature an indicator for batteries that tells you when the battery is depleted. Also, replacing the battery in most models is a quick, simple process that does not require any special tools.

Convenience

Smart keys do not have to be physically inserted into an ignition slot to open or start the vehicle. Instead, the driver needs to have it on their hands and bring it within the range of the vehicle, as explained by the BMW Group. In fact, some smart keys, like the Display Key, feature a small LCD touchscreen that enables drivers to access features such as locking or unlocking and keyless start directly from their keys without needing to connect to their car's Bluetooth system.

A smart key 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 into tight spaces without accidentally crushing someone or something.

Smart Car Key Fob Replacement key systems do not typically transmit the same frequency signal over and over which could make them more vulnerable to relay attacks, according to Open Road Auto Group. smart car key recoding keys are specific to each vehicle so a stolen car cannot be hotwired. This technology makes it difficult for thieves to steal cars.

Security

A few of the most advanced electronic features in today's newer automobiles are included in the key fob. These devices do much more than lock and unlock doors, or make chirping sounds that assist drivers in finding their car in a parking space However, some drivers may not be aware of everything that these key fobs do.

Certain smart keys, for example, will trigger the auto windows and sunroofs of the vehicle when they are they are pressed. One CR auto editor entered her Honda Accord to find the windows all down and the sunroof fully open. She was grateful for her Smart Key that automatically locked the car.

Some smart keys employ computer-encrypted signals to stop car thieves according to How Stuff Works. This technology stops hotwiring in which thieves steal the engine controller module (ECM) typically located in front of the engine. The ECM is responsible for a variety important functions, including engine power and transmission control.

Smart keys also include anti-theft codes and a unique ID security code that is assigned to each key. This can disable ignition if the wrong key is used. The security ID is a code that's sent from the ECM to the key after it's placed in the ignition, and is confirmed by a sensor in the car.

Maintenance

Smart car key fobs can do more than just unlock the door. It can remotely start your engine, activate the brakes and suspension and even start your vehicle. It also provides details about your vehicle, such as the fuel level and oil temperatures.

Like all electronic equipment the smart car key fob requires regular maintenance to function properly. Modern key fobs come with indicators for batteries that notify the driver when the battery is low. Replacing the battery is a simple procedure, and no specialized tools are required.

In some cases, however, a smart key may stop functioning entirely. If you suspect this is the case, try to reset it by leaving the vehicle and then returning inside. This will help the car recognize that the fob is present and allow it to be functional again.

If you are unable to connect your fob get in touch with a locksmith for help. They can reprogram it so that your car recognizes it and allows you to utilize all of its features. It's generally more economical to do this than buying the new fob for your key, and it could save you money in the long run. In some cases, the locksmith can fix an existing key fob in order to be able to use it for a new one. This could save you more money in the end.