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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. These fobs controlled by computers are capable of performing a variety of functions including locking and unlocking your car or getting it started.

They work by transmitting a rolling encrypted message. This keeps them safer from thieves with advanced technology.

Safety

A smart key fob is constantly communicating with the vehicle via radiofrequency waves. It transmits a low power signal that, upon pressing the button, instructs the vehicle to open doors and begin the engine. The car is programmed to recognize the unique encrypted code of a specific key fob. This means that even when the key fob has been stolen, it isn't used to start the car.

But a brand new type 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. How Stuff Works Electronics says that a burglar could slip one of these devices in an unnoticed pocket or a hidden location to block the key fob's lock command remotely. This issue is likely to become more prevalent as more people switch to smart keys.

A smart key fob isn't only a security feature, but it can also simplify your life by automatically taking care of the needs of your vehicle. A key fob connected to your smartphone, for example can detect your presence and open the doors so that you don't need to press a remote button. It can also sense the moment you leave and automatically lock the car, meaning you don't have to fret about not locking the doors. A lot of smart key fobs also have an indicator for the battery that alerts you ahead of time if the battery is at a low level. Also, replacing the battery in the majority of models is a simple, simple process that does not require any special tools.

Convenience

Smart keys are not required to be physically inserted into an ignition slot to unlock or start the vehicle. Instead, the user requires it to be on their person and be able to bring it within range of the vehicle, as explained by the BMW Group. Some smart keys, including the Display Key, have an incredibly small LCD touchscreen that grants drivers to access features like locking, unlocking and keyless starting directly from their key fob without having to connect to the Bluetooth system of the car.

Another way a smart key can help save time for drivers is by automatizing the process of locking their car doors when they leave. This feature is offered in a number of automobiles, according to Consumer Reports, and can also help get into tight parking spaces without accidentally hitting something or the person.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal over and over and this could make them more susceptible to relay attacks. So, a stolen vehicle cannot be hotwired if it is equipped with a smart key because the encrypted signal that the key fob transmits is unique to each vehicle. This makes it extremely difficult for thieves to steal a car.

Security

Some of the high-tech electronic features in today's modern automobiles can be found in the key fob. These gadgets do much more than simply lock and unlock doors or make chirping sounds that aid drivers in finding their car in a parking space, but some owners may not be aware of everything that these smart keys cars (Full Survey) key fobs can do.

For example, some smart keys can activate the auto windows of a car and sunroof when they are activated. One auto editor from CR went into her Honda Accord to find the windows closed and the sunroof fully open. She was thankful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart car key replacement cost uk keys use computer encrypted signals to prevent car thieves from stealing. This technology stops hotwiring, which is when thieves steal the vehicle's engine control unit (ECM), which is usually located in the front of the engine block. The ECM regulates a variety of important functions, including engine power and transmission control.

Other smart keys' features include anti-theft code and a unique security ID assigned to each key, which could disable the ignition in the event that it's not the correct one. The security ID is a code that is transmitted by the ECM from the key to the ignition and then verified with a sensor in the car.

Maintenance

A smart car key fob can do more than just unlock your door. It can start your engine and activate the brakes and suspension remotely. It also can provide information about your vehicle like the level of fuel and temperature of the oil.

Like all electronic equipment the smart car key fob requires regular maintenance in order to function effectively. Modern key fobs have indicators for batteries that notify the driver that it is time to replace the battery. Replacing the battery is an easy procedure, and no special tools are required.

In certain instances the smart key could stop working completely. If you suspect that this is the issue try resetting the smart key by removing the vehicle and then returning to it. This will let the car recognize that the fob is still active and allow it regain functionality.

If you're unable to get your fob to function get in touch with a locksmith for assist. They can reprogram the fob so that it is recognized by your car and you are able to use all of its features. This is typically cheaper than purchasing a new key and could save you money over time. In certain instances, the locksmith can repair an existing key fob to be able use it for a replacement smart car key. This can help you save more money in the end.