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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 introduced by Mercedes in 1998. These fobs controlled by computers are capable of performing a variety of functions, such as locking and unlocking the vehicle or the car's start-up.

They operate by broadcasting an encrypted and rolling signal. This makes them more resistant to cyber-savvy thieves.

Safety

A smart key fob that communicates continuously with a vehicle via radiofrequency waves. It transmits a low-power signal that, when pressed, tells the car to unlock doors and start the engine. The car recognizes the unique encryption code from a specific key fob. This means that even if the key fob is stolen, it cannot be used to start the car.

A new vulnerability allows thieves to exploit this communication. Relay attacks employ devices that transmit on the same frequency as the key fob. Thieves can put one of these devices in a pocket or a hiding area to disable the lock command from a distance, according How Stuff Works Electronics. It's a problem that could become more commonplace as more motorists switch to smart keys.

In addition to these security features, smart key fobs can make life easier by automatically adjusting to the needs of your vehicle. For example, a key fob that's linked to your smartphone can detect your presence and then unlock the doors, meaning that it's not necessary to press a button on the remote. It can also tell the moment you leave and automatically lock the car, meaning you don't have worry about forgetting to lock the doors. A lot of smart key fobs include an indicator for the battery that alerts you ahead of time if the battery is at a low level. Most models allow you to replace the battery quickly and without any tools or equipment required.

Convenience

Unlike a traditional metal key smart keys do not need to be physically inserted into the ignition slot in order to unlock or start a car. Rather, the driver simply requires it to be on them and bring it within range of the vehicle, as explained by the BMW Group. Some smart keys, including the Display Key, come with an incredibly small LCD touchscreen that grants drivers to access features such as locking, unlocking and keyless start directly from their key fob, without needing to connect to the Bluetooth system in the car smart key.

Another way a smart key can help save time for drivers is by automatizing the process of locking their doors when they leave it. This feature is found in a variety of vehicles, as per Consumer Reports, and can help move into parking spots that are tight without accidentally squeezing something or the person.

Furthermore, smart key copy key systems generally do not send the same frequency signal repeatedly which could make them more vulnerable to relay attacks, as explained by Open Road Auto Group. Smart keys are specific to each vehicle, so a stolen vehicle can't be wired. This technology makes it extremely difficult for thieves steal cars.

Security

Modern cars come with the most advanced electronic features ever before, and a few of those are located in the key fob. These devices do much more than unlock and lock doors, or emit chirping sounds to assist drivers in finding their car smart key programming near me in a parking area, but some owners may not be aware of everything that smart key (king-wifi.win) fobs can accomplish.

For instance, some smart keys can activate windows that automatically open and sunroof once they are pressed. One CR auto editor went into her Honda Accord to find the windows shut and the sunroof fully open. That's just one reason she was grateful for her Smart Key, which locked the vehicle automatically.

According to how much is a replacement smart car key Stuff Works, some smart keys employ computer-encrypted signals to deter car thieves. This technology stops hotwiring in which thieves steal the engine controller module (ECM) which is typically located in front of the engine. The ECM manages a range of vital functions, including transmission control and engine power.

Other features of smart keys include anti-theft code and a unique security ID that is assigned to each key, which can block the ignition if it's not the correct one. The security ID is a code that's sent from the ECM to the key when it's put into the ignition. It is then verified by a sensor inside 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 car. It also can provide details about your car, including fuel level and temperature of the oil.

Like any piece of electronic equipment, a smart car key fob requires regular maintenance in order to function properly. The majority of modern key fobs have indicators for the battery that alert the driver when the battery is low. It is easy to replace the battery and you don't need special tools.

In some cases however the smart key might cease to function completely. If you suspect that this is the cause, try to reset the smart key by removing the vehicle and then returning to it. This will allow the car to detect that the key fob is still in the vehicle and allow it regain functionality.

If you are unable to get your fob to function call a locksmith assist. They can reprogram the fob so that it can be recognized by your car and you can make use of all of its features. This is usually cheaper than buying a brand new fob and could save you money over time. In certain instances, the locksmith can fix an existing key fob in order to be able to exchange it for a new one. This can save you money in the end.