What Can a Smart Car Key Fob Do For You?

Also known as fobs, keyless entry or smart key repair keys, they were introduced by Mercedes in 1998. The fobs that are computer controlled are capable of performing various tasks like locking and unlocking the vehicle or the car's start-up.

They function by sending an encrypted message that is continuously transmitted. This keeps them safer from thieves who are tech-savvy.

Safety

A smart key fob communicates constantly with a vehicle via radiofrequency waves. It sends out a low-power signal that, when pressed instructs the car to open doors and begin its engine. The car can recognize the unique encrypted code from a specific key fob. This means that in the event that the keyfob is stolen, the car will not start.

A new hack allows thieves to exploit this type of communication. Relay attacks are based on devices that transmit on the exact frequency as the key fob. A thief can place one of these devices in a pocket or a hiding area to disable the lock command from a distance. How Stuff Works Electronics. This is a risk that could become more commonplace as more people switch to smart keys.

A smart key fob is not just a security feature however, it can simplify your life by automatically taking care of the needs of your vehicle. For example an electronic key fob connected to your smartphone can detect your presence and then unlock the doors, meaning that you don't have to press a button on the remote. It can also detect the moment you leave and automatically lock the vehicle, so you don't have worry about forgetting to lock the doors. A lot of smart key fobs come with an indicator for batteries that informs you in advance that the battery is at a low level. And replacing the battery in most models is a quick, simple process that does not require any special tools.

Convenience

Unlike a traditional metal key smart key locksmith near me keys do NOT require physical inserting into the ignition slot in order to unlock or start a car. BMW Group explains that the driver is only required to bring the key within the range of the car. Some smart keys, including the Display Key, feature an incredibly small LCD touchscreen that allows users access to features such as locking, unlocking, and keyless starting directly from their key fob without having to connect to the Bluetooth system in the car.

Smart keys can also save drivers time by automating the closing of their car doors after they leave. This feature is available in a wide range of vehicles, as per Consumer Reports, and can assist in allowing drivers to navigate through parking spaces that are tight without accidentally hitting something or the person.

Additionally, smart key systems do not typically send the same frequency signal over and over which could make them more vulnerable to relay attacks, explains Open Road Auto Group. 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 have more advanced electronic features than ever before, and many of them are contained in the key fob. These devices can do more than simply unlock and lock doors, or make chirping sounds that assist drivers in finding their car in a parking space, but some owners may not be aware of all that these smart key fobs do.

For example, some smart car key not working keys can turn on a vehicle's automatic windows and sunroof once they are press. A auto editor for CR once went out to her Honda Accord only to find all the windows closed and the sunroof open. She was grateful for her Smart Key that automatically locked the car.

According to how to unlock a smart car without a key Stuff Works, some smart car key coding keys make use of computer-encrypted signals to deter car thieves. This technology stops hotwiring, where thieves steal the vehicle's engine control module (ECM), which is typically located in the front of the engine block. The ECM regulates a variety of vital functions such as engine power, transmission control, and more.

smart roadster key programming keys also include anti-theft code and a unique ID security code that is assigned to each key. This can disable ignition when 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 validated with a sensor in the car.

Maintenance

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

A smart car key fob, as any other electronic device requires regular maintenance to work correctly. Modern key fobs come with indicators for the batteries to inform the driver when it's time to replace the battery. It is simple to replace the battery and you don't require special tools.

In some instances the smart key may stop working completely. If you suspect this is the cause attempt to reset the smart key after leaving the vehicle and returning inside. This will allow the car to detect that the key fob remains inside the vehicle, and allow it to function again.

If you can't get your fob to work, contact a locksmith to assist. They can reprogram it to ensure that your vehicle recognizes it again and allows you to utilize all of its features. This is usually less expensive than buying a new fob and could save you money over time. In some cases locksmiths are able to repair an existing fob to allow it to be used to create an entirely new key. This can save you even more money in the end.