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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. Key fobs that are controlled by computers perform many tasks, including locking and unlocking a car as well as launching it.

They function by sending a rolling encrypted message. This keeps them safer from thieves who are tech-savvy.

Safety

A smart key fob communicates with a vehicle using radiofrequency waves. It transmits a low power signal that, when pressed it, prompts the vehicle open doors and start the engine. The car is programmed to recognize the unique encrypted code of a particular key fob. This means that if the key fob is stolen, the car will not start.

But a brand new type of hacking technique can allow thieves to exploit that communication. Relay attacks are carried out using devices that transmit at the same rate as key fobs. How Stuff Works Electronics says that a thief could place one of these devices into the pocket or hidden area to block the lock command remotely. This is a risk which could become more frequent as more people change to smart keys.

A smart key fob isn't just a security device but can also make your life easier by automatically taking care of the needs of your vehicle. A key fob connected to your smartphone, for example it can detect your presence and then unlock the doors, so you don't need to push a remote button. It can also tell the moment you leave and automatically lock the car, meaning you don't need to worry about forgetting to lock the doors. Many smart key fobs have a battery indicator that warns you in advance that the battery is getting low. The majority of models let you replace the battery quickly and conveniently without any tools or equipment required.

Convenience

Smart keys are not required to be physically placed in an ignition slot to unlock or start the vehicle. BMW Group explains that the driver is only required to bring the key within reach of the car. In reality, certain smart car key coding keys, including the Display Key, feature a small LCD color touchscreen that allows users to access features such as locking, unlocking, and keyless start directly from their key fob without needing to connect to the car's Bluetooth system.

Another way smart keys could help save time for drivers is by automating the process of locking their doors after they leave. This feature is offered in a number of automobiles, according to Consumer Reports, and can help get into tight parking spaces without accidentally squeezing something someone.

Open Road Auto Group explains that smart key copy key systems do not transmit the same frequency signal over and over and this could make them more susceptible to relay attacks. Smart keys are distinct to each vehicle, so a stolen vehicle can't be connected to a hotwire. This technology makes it extremely difficult for thieves to steal a car.

Security

Modern cars come with more high-tech electronic features than ever before, and many of them are found on the key fob. These devices can do more than locking and unlocking doors or making chirping sounds to assist drivers locate their car in parking spaces. However there are some who are unaware of the full capabilities.

For example, some smart car spare key keys can trigger windows that automatically open and sunroof when they are activated. A CR auto editor once walked out to her Honda Accord only to find all the windows closed and the sunroofs open. She was thankful for her Smart Key that automatically locked the car.

Some smart keys use computer-encrypted signals to stop car thieves according to How Stuff Works. This technology stops hotwiring, where thieves steal the vehicle's engine control unit (ECM) which is typically located in the front of the engine block. The ECM manages many essential functions such as engine power, transmission control and other functions.

Smart keys also come with anti-theft code and a unique security code for ID assigned to each key. This could stop ignition if the wrong key is used. The security ID is a unique code that's sent from the ECM to the key once it's put into the ignition. It is then verified by a sensor inside the car.

Maintenance

A Smart car key recoding (sciencewiki.science) car key fob can do more than just unlock your door. It can remotely start your engine, operate suspension and brakes, and even start your vehicle. It also provides information about your vehicle like the level of fuel and oil temperature.

Like any piece of electronic equipment smart car key repair car key fob needs regular maintenance to function properly. Key fobs that are modern have indicators for batteries that notify the driver when the battery is running low. It is simple to replace the battery and you don't need any special tools.

In certain situations however, a smart key might stop working entirely. If you suspect this to be the case, you can reset it by taking the car out and then coming back inside. This will allow the car to know that the key fob remains in the vehicle and let it to function again.

Contact a locksmith if you cannot get your key fob working. They can reprogram it so that the car can recognize it once more and allows you to utilize all of its features. It's typically more affordable to do this instead of buying a new key fob and it could save money in the long run. In some cases, a locksmith can even fix a fob that is already in use to be used to create a new key. This could save you money in the end.