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What Can a Smart Car Key Fob Do For You?

Known as fobs, keyless entry or smart car key recoding (Get Source) keys, they were first introduced by Mercedes in 1998. They are computer-controlled and capable of performing a variety of functions including locking and unlocking the vehicle or the car's start-up.

They function by broadcasting a rolling encrypted signal. This makes them more receptive to tech-savvy thieves.

Safety

A smart key fob communicates constantly with a vehicle via radiofrequency waves. It transmits a low-power message that, when pressed tells the car to unlock doors and begin its engine. The car is programmed to recognize the unique encrypted code of a particular key fob. This means that if a key fob is stolen, the car cannot start.

But a new type of hacking technique can permit thieves to take advantage of that communication. Relay attacks utilize devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that thieves could put one of these devices into a pocket or hidden spot to stop the remote control of the lock. This is a risk that is likely to become more prevalent as more drivers switch to smart keys.

A smart key fob isn't only a security tool however, it can simplify your life by automatically taking care of the needs of your vehicle. A key fob connected to your smartphone, for instance it can detect your presence and then unlock the doors so that you don't have to press the remote button. It can also detect when you're leaving the car and auto-lock the car, so you don't have worry about forgetting to lock the doors. Many replacement smart key key fobs include an indicator of the battery that tells you ahead of time when the battery is low. The majority of models let you replace the battery quickly and conveniently without any tools or equipment required.

Convenience

Smart keys do not need to be physically inserted into an ignition slot to unlock or start the vehicle. Instead, the driver requires it to be on them and bring it within range of the vehicle, as explained by the BMW Group. In fact, some smart keys, including the Display Key, come with small LCD color touchscreen that allows users to access features like locking and unlocking, as well as keyless start directly from their key fobs without needing to connect to their car's Bluetooth system.

Another way a smart key could help save time for drivers is by automating the process of locking their doors when 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 hitting the door or something else.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal over and over, as this can make them more vulnerable to relay attacks. As such the vehicle that is stolen cannot be connected to a hotwire if equipped with a smart key since the encrypted signal that the key fob transmits is unique to each car. This technology makes it incredibly difficult for thieves to steal a vehicle.

Security

A few of the most advanced electronic features in today's modern automobiles are contained in the key fob. These devices do more than open and close doors, or make chirping sounds that assist motorists in finding their car in a parking area However, some drivers may not be aware of all that these smart key fobs do.

Certain keys, such as example, can activate the automatic windows and sunroof of an automobile when they are pressed. A CR auto editor once walked out to her Honda Accord only to find all the windows closed and the sunroof opened. This was one of the reasons she was thankful for her Smart Key, which locked the car automatically.

Some smart keys use computer-encrypted signals to thwart car burglars, according to How Stuff Works. This technology is able to prevent hotwiring which is when thieves steal the engine control module (ECM) which is usually found in the front of the engine block. The ECM is responsible for a variety essential functions, including engine power and transmission control.

Other smart keys' features include anti-theft code and a unique security ID assigned to each key. This could disable the ignition in the event that it's not the right one. The security ID is a specific code that is transmitted from the ECM to the key when it's put into the ignition. It is then checked by a sensor inside the car.

Maintenance

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

Like any piece of electronic equipment, a replacement smart key car key fob needs regular maintenance to ensure it functions effectively. Modern key fobs come with battery indicators that warn the driver when the battery is running low. Replacing the battery is a straightforward procedure, and no specialized tools are required.

In some cases the smart key might stop working completely. If you suspect that this is the case, you can reset it by getting out of the car and returning to the vehicle. This will allow the car to know that the key fob is still in the vehicle and will allow it to be used again.

If you're not able to make your fob work Contact a locksmith for help. They can reprogram it so that your vehicle recognizes it once more and allows you to utilize all of its functions. This is usually cheaper than buying a new fob and could save you money over the course of time. In some cases the locksmith may repair an existing fob in order to be used to make an entirely new key. This can save you even more money in the long run.