What Can a Smart Car Key Fob Do For You?

They are also known as fobs, keysless entry or smart keys, they were introduced by Mercedes in 1998. These computer-controlled fobs are capable of carrying out a variety of tasks, such as locking and unlocking the car or getting it started.

They work by transmitting a rolling encrypted message. This makes them more secure to cyber-savvy thieves.

Safety

A smart key fob communicates constantly with a vehicle via radiofrequency waves. It transmits a low power signal that, upon pressing the button, instructs the vehicle to unlock doors and begin the engine. The car recognizes the encrypted code from a specific keyfob. This means that if the key fob is stolen, the car will not start.

But a brand new type of hack can enable thieves to gain access to that communication. Relay attacks are carried out using devices that transmit at the same frequency as keys. The thief could place one of these devices in a pocket or a hiding location to thwart the lock command from a distance. How Stuff Works Electronics. This is a risk that is likely to become more prevalent, as more drivers switch over to smart keys.

Aside from these security features, an intelligent key fob could simplify your life by automatically tending to your vehicle's needs. A key fob connected to your smartphone, for instance it can detect your presence and open the doors, so you don't have to press a remote button. It also can detect that you are leaving the vehicle and automatically lock it, so that you won't forget to lock the doors. A lot of smart key fobs include a battery indicator that warns you in advance that the battery is at a low level. Most models allow you to replace the battery quickly and conveniently without any special tools.

Convenience

Smart keys do not need to be physically inserted in an ignition slot to unlock or start the car. BMW Group explains that the driver just needs to bring the key within the range of the car. Certain smart keys, like the Display Key, feature an incredibly small LCD touchscreen that grants users to access features such as locking, unlocking, and keyless starting directly from their key fob without having to connect to the Bluetooth system in the car.

A smart key could also help drivers save time by automating the closing of their car doors after they leave. This feature is present in many vehicles, according to Consumer Reports, and can also make it easier to get into tight parking spaces without accidentally hitting something or someone else.

Open Road Auto Group explains that smart key systems don't transmit the same frequency signal in a series of, as this can make them more vulnerable to relay attacks. Smart keys are distinct to each vehicle, which means that a stolen car can't be connected to a hotwire. This technology makes it incredibly difficult for thieves to steal a car.

Security

Some of the top-of-the-line electronic features that are present in modern automobiles are included in the key fob. These gadgets are capable of more than just locking and unlocking doors, or making chirping sounds to assist motorists locate their car in parking spaces. However there are some who are unaware of the full capabilities.

For instance, some smart keys can trigger the auto windows of a car and sunroof when activated. One auto editor from CR went into her Honda Accord to find the windows all down and the sunroof wide open. She was grateful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart keys use computer encrypted signals to deter car thieves. This technology blocks hotwiring where thieves steal the engine control module (ECM) which is usually found in the front of the engine block. The ECM manages a range of essential functions, including engine power and transmission control.

Smart keys also include anti-theft codes and a unique ID security code that is assigned to each key. This could stop the ignition if the wrong key is used. The security ID is a code that is transmitted from the ECM to the key when it's inserted in the ignition, and is confirmed by a sensor in the car.

Maintenance

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

Like all electronic equipment the smart car key fob needs regular maintenance to ensure it functions correctly. The majority of modern key fobs have indicators for the battery that alert the driver when the battery is low. Replacing the battery is a simple procedure, and no special tools are required.

In some cases however the smart key car key might cease to function completely. If you suspect this is the case, try to reset the smart key repair key by leaving the vehicle and returning inside. This will enable the car smart key to understand that the Key Fob Replacement fob is in the vehicle and will allow it regain functionality.

If you can't get your fob to function get in touch with a locksmith for assist. They can reprogram your fob so that it is recognized by your car and you can utilize all of its features. This is typically cheaper than buying a new fob and could save you money over time. In some cases locksmiths can fix an existing fob in order to be used to create an entirely new key. This could save you more money in the long run.