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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 first introduced by Mercedes in 1998. The fobs that are computer controlled are capable of carrying out a variety of tasks including locking and unlocking the vehicle or starting it.

They function by sending an encrypted, rolling message. This makes them less vulnerable to tech-savvy thieves.

Safety

A smart key fob constantly communicates with a vehicle using radiofrequency signals. It sends a low-power signal that, upon pressing, tells the vehicle to open doors and start 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 new form of hacking can let thieves exploit this communication. Relay attacks are carried out using devices that transmit at the same frequency as the key fob. A thief can place one of these gadgets in a pocket or hiding location to thwart the lock command from a distance. How Stuff Works Electronics. This is a problem which could become more frequent as more people switch over to smart keys.

Apart from these security features, a smart fortwo key fob key fob can simplify your life by automatically tending to your vehicle's needs. For instance an electronic key fob connected to your smartphone will detect your presence and then unlock the doors, meaning that you don't have to hit a button on the remote. It can also sense when you're leaving and automatically lock the car, meaning you don't have worry about forgetting to lock the doors. A lot of smart key fobs come with an indicator for batteries that tells you when the battery is running low. And replacing the battery in most models is a quick and easy process that does not require any special tools.

Convenience

As opposed to a traditional metal key, smart keys do not require physical insertion into the ignition slot in order to unlock or start a vehicle. BMW Group explains that the driver is only required to bring the key within range of the car. In reality, some smart forfour key keys, such as the Display Key, feature a small LCD touchscreen in color that allows drivers to access features such as locking, unlocking, and keyless start right from their key fob without needing to connect with the car's Bluetooth system.

Another way that smart keys could help save time for drivers is by automatizing the process of locking their car doors when they leave it. Consumer Reports says that this feature is available on a wide range of vehicles. It can also make it easier for drivers to maneuver around tight spaces without accidentally crushing the door or something else.

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

Security

Modern cars come with the most advanced electronic features ever before, and many of them are found inside the key fob. These devices do much more than just lock and unlock doors, or emit chirping sounds to aid drivers in finding their car in a parking lot However, some owners may not be aware of everything that these smart key fobs can accomplish.

For example, some smart keys are able to activate the auto windows of a car and sunroof if they are activated. A auto editor for CR once went out to her Honda Accord only to find all the windows closed and the sunroof opened. She was grateful for her Smart Key that automatically locked the car.

Some smart keys employ computer-encrypted signals to deter car thieves according to How Stuff Works. This technology prevents hotwiring, which is when thieves steal the vehicle's engine control unit (ECM), which is typically located on the front of the engine block. The ECM regulates a variety of essential functions, including transmission control and engine power.

Smart Car Key Fob Replacement keys also have anti-theft codes as well as a unique ID security code that is assigned to each key. This will disable ignition if the wrong key is used. The security ID is a number that is transmitted by the ECM from the key to the ignition and then verified by a sensor inside the car.

Maintenance

A smart car key fob does more than just unlock your door. It can start your engine and activate suspension and brakes remotely. It can also provide information about your car, such as the level of your fuel and oil temperatures.

Like all electronic equipment, a smart car key fob needs regular maintenance to function correctly. Key fobs that are modern have indicators for batteries that inform the driver when the battery is running low. Replacing the battery is a simple procedure, and no specialist tools are required.

In some cases the smart key could cease to function completely. If you suspect that this is the case, attempt to reset it by taking the car out and then coming back inside. This will allow the car to recognize that the fob is still present and allow it to be functional again.

If you are unable to connect your fob Contact a locksmith for help. They can reprogram it so that your car recognizes it and allows you to utilize all of its functions. It's generally cheaper to do this instead of buying the new fob for your key, and it could save you money in the end. In some instances locksmiths can repair an existing fob to allow it to be used to make an entirely new key. This can save you money in the end.