What Can a Smart Car Key Fob Do For You?

Known as fobs or keyless entry or smart keys, they were introduced by Mercedes in 1998. Key fobs that are controlled by computers perform a variety of functions, including locking and unlocking a car and also starting it.

They work by broadcasting an encrypted and rolling signal. This makes them more resistant to cyber-savvy thieves.

Safety

A smart fortwo key replacement key fob communicates with the vehicle via 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 encryption code of a specific key fob. This means that if the key fob is stolen, the car will not start.

But a new form of hacking could allow thieves to exploit that communication. Relay attacks use devices that transmit on the same frequency as the key fob. How Stuff Works Electronics says that thieves can put one of these gadgets into a pocket or hidden spot to stop the remote control of the lock. This is a problem that could become more frequent as more and more drivers change to smart keys.

A smart key fob is not only a security tool but 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 then unlock the doors so you do not have to hit a remote button. It could also detect that you are leaving the car and automatically lock it, so that you won't forget to lock the doors. A lot of smart key fobs include an indicator for batteries that informs you in advance that the battery is running low. The majority of models let you replace the battery quickly and easily, without any tools or equipment required.

Convenience

Smart keys do not have to be physically placed in an ignition slot to open or start the car. BMW Group explains that the driver only needs to bring the key within the range of the car. Certain smart keys, such as the Display Key, come with an incredibly small LCD touchscreen that gives drivers access to features such as locking, unlocking and keyless starting directly from their key fob, without the need to connect to the Bluetooth system of the car.

Another way that smart keys can save drivers time is by automatizing the process of locking their doors when they leave it. This feature is offered in a wide range of vehicles, according to Consumer Reports, and can assist in allowing drivers to navigate through parking spaces that are tight without accidentally squeezing something or anyone.

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

Security

Today's newer cars pack in more high-tech electronic features than ever before, and some of those are located in the key fob. These gadgets are capable of much more than simply locking and unlocking doors or making chirping sounds to assist drivers locate their car in parking spaces. However many owners are unaware of the full capabilities.

Some smart keys, for instance, will activate the automatic windows and sunroofs on vehicles when they are pressed. A auto editor from CR once walked out to her Honda Accord only to find all the windows down and sunroof up. She was thankful for her Smart Key that automatically locked the car.

According to How Stuff Works, some smart car Key fob Replacement keys utilize computer-encrypted signals to prevent car thieves from stealing. This technology blocks hotwiring which is when thieves steal the vehicle's engine control module (ECM), which is typically located in the front of the engine block. The ECM is responsible for a variety important functions, including transmission control and engine power.

Smart keys also come with anti-theft codes and a unique ID security code assigned to each key. This could stop ignition if the wrong key is used. The security ID is a code that is transmitted by the ECM from the key to the ignition and then confirmed with a sensor in the car.

Maintenance

Smart car key fobs can do more than just unlock the door. It can start your engine, and also activate the brakes and suspension remotely. It also can provide information about your vehicle such as fuel level and oil temperature.

A smart car key fob like any other electronic device requires regular maintenance to function properly. Modern key fobs come with battery indicators to alert drivers when it's time to replace the battery. Replacing the battery is a straightforward procedure, and no specialist tools are required.

In certain instances however, a smart key may stop functioning entirely. If you suspect that this is the issue, try to reset the smart key after leaving the vehicle and returning inside. This will let the car recognize that the fob is still in place and allow it to be functional again.

If you're not able to connect your fob get in touch with a locksmith for assist. They can reprogram the fob to ensure that it can be recognized by the car again and you can utilize all its features. This is typically cheaper than purchasing a new key and can save you money over time. In some cases, a locksmith can repair an existing key fob to be able use it for a replacement smart car key. This could save you more money in the long run.