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What Can a Smart Car Key Fob Do For You?

Mercedes introduced the first fobs in the year 1998. They are also referred to as smart car key fob replacement keys, keyless entry or keyless entry fobs. These key fobs controlled by computers can accomplish many things, including locking and unlocking cars as well as starting it.

They transmit a rolling encrypted message. This protects them from tech-savvy thieves.

Safety

A smart key fob continually communicates with a vehicle, via radiofrequency waves. It emits a low power signal that, upon pressing it, prompts the vehicle smart key unlock doors and start 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 brand new type of hack can allow thieves to exploit that communication. Relay attacks are carried out with devices that transmit at the same frequency as a key fob. Thieves can put one of these devices in a pocket or a hiding spot to jam the lock command from a distance, according to How Stuff Works Electronics. This is a risk that is likely to become more prevalent as more people adopt smart keys.

Apart from these security features, the smart key fob can make life easier by automatically tending to your vehicle's needs. A key fob that is connected to your smartphone, for example it can detect your presence and then unlock the doors so you do not have to hit a remote button. It could also detect that you're leaving the car and automatically secure it, so you won't forget to lock the doors. A lot of smart key fobs have an indicator for batteries that informs you in advance that the battery is low. Also, replacing the battery in most models is a quick and simple procedure that does not require any special tools.

Convenience

Smart keys do not need to be physically inserted into an ignition slot to unlock or start the vehicle. BMW Group explains that the driver only needs to bring the key within range of the car. Certain smart keys, like the Display Key, come with a small LCD touchscreen that allows drivers access to features like locking, unlocking, and keyless starting directly from their key fob, without the need to connect to the Bluetooth system of the car.

Another way that smart keys could help save time for drivers is by automating the process of locking their car doors when they leave. Consumer Reports says that this feature is present on a variety of automobiles. It can also make it easier for drivers to maneuver around tight spots without accidentally pushing someone or something.

Open Road Auto Group explains that smart key systems do not transmit the same frequency signal repeatedly and this could make them more vulnerable to relay attacks. Therefore it is impossible for a stolen car to be hotwired even if it's equipped with a smart car key fob programming key because the encrypted signal that the key fob transmits is unique to each car. This technology makes it extremely difficult for thieves to steal a car.

Security

Some of the top-of-the-line electronic features that are present in modern automobiles can be found in the key fob. These gadgets are capable of more than just locking and unlocking doors, or making chirping sounds to help motorists locate their car in parking lots. However many owners are unaware of the full capabilities.

Certain keys that are smart, for instance, will activate the automatic windows and sunroof of an automobile when the key is pressed. One auto editor at CR walked into her Honda Accord to find the windows completely shut and the sunroof open. That's just one reason she was so grateful for her Smart Key, which locked the car automatically.

Some smart keys use computer-encrypted signals to stop car thieves According to How Stuff Works. This technology prevents hotwiring in which thieves steal the engine controller module (ECM) which is typically located in front of the engine. The ECM regulates a variety of vital functions, including engine power, transmission control, and more.

Smart keys also have anti-theft codes as well as a unique security ID code assigned to each key. This will disable the ignition when the wrong key is used. The security ID is a specific code that is 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 does much more than unlock your door. It can remotely start your engine, activate suspension and brakes, and even start your vehicle. It also can provide details about your car, including fuel level and oil temperature.

Like any piece of electronic equipment smart key programing car key fob needs regular maintenance to ensure it functions effectively. Modern key fobs include battery indicators to alert drivers when it's time to replace the battery. It's easy to replace the battery, and you don't require special tools.

In certain instances the smart key could stop functioning completely. If you suspect that this is the problem try resetting the smart key by removing the vehicle and coming back inside. This will let the car recognize that the fob is still active and allow it regain functionality.

If you can't get your fob to work Contact a locksmith for help. They can reprogram it to ensure that the car can recognize it once more and allows you to utilize all of its functions. It's generally more economical to do this rather than purchasing a new key fob, and it will save you money in the long run. In some cases locksmiths can fix a fob that is already in use to allow it to be used to make a new key. This can save you even more money in the end.