What Can a Smart Car Key Fob Do For You?

Known as fobs or keyless entry or smart keys, they were first introduced by Mercedes in 1998. The fobs that are computer controlled are capable of performing a variety of functions like locking and unlocking your car or getting it started.

They function by sending a rolling encrypted message. This makes them more receptive to tech-savvy thieves.

Safety

A smart car key fob programming key fob constantly communicates with a vehicle by radiofrequency waves. It sends a low-power signal that, when pressed the button, instructs the vehicle to open doors and start the engine. The car is programmed to recognize the unique encryption code of a particular key fob. This means that in the event that the keyfob is stolen, the car will not be started.

A new vulnerability allows thieves to exploit this method of communication. Relay attacks are based on devices that transmit on the same frequency as the key fob. A burglar can put one of these devices in a pocket or a hiding in a place to block the lock command from a distance. How Stuff Works Electronics. It's a problem that is likely to become more prevalent as more drivers adopt smart keys.

Apart from these security features, smart key fobs can simplify your life by automatically adjusting to the needs of your vehicle. A key fob that connects to your smartphone, for instance, can detect your presence and allow you to unlock the doors so you don't need to press the remote button. It could also detect that you are leaving the car and then automatically secure it, so you aren't tempted to forget to lock the doors. A lot of smart key fobs come with a battery indicator which warns you when the battery is not fully charged. Most models allow you to replace the battery quickly and without any tools or equipment required.

Convenience

As opposed to a traditional metal key smart keys do not need to be physically inserted into the ignition slot to unlock or start the vehicle. Rather, the driver simply must have it on them and be able to bring it within range of the vehicle, as described by the BMW Group. In fact, some smart keys, including the Display Key, feature small LCD touchscreen with color that allows drivers to access features like locking or unlocking as well as keyless start directly from their key fob without needing to connect to the car's Bluetooth system.

Another way smart keys could help save time for drivers is by automatizing the process of locking their car doors when they leave. Consumer Reports says that this feature is offered on a number of automobiles. It can also make it easier for drivers to maneuver around tight spots without accidentally squeezing someone or something.

Open Road Auto Group explains that smart key systems do not transmit the same frequency signal repeatedly and this could make them more vulnerable to relay attacks. Smart keys are unique to each vehicle, so a stolen car cannot be wired. This makes it very difficult for thieves steal the car.

Security

Some of the latest electronic features in today's modern automobiles can be found in the key fob. These devices can do more than simply lock and unlock doors or make chirping sounds to assist drivers in finding their car in a parking lot, but some owners may not be aware of everything that smart key fobs are able to do.

For example, some smart keys can trigger windows that are automatically opened and sunroof if they are hit. A Auto editor of CR once walked out to her Honda Accord only to find all the windows closed and sunroof open. This was one of the reasons she was grateful for her Smart Key, which locked the vehicle automatically.

According to How Stuff Works, some smart keys employ computer-encrypted signals to protect against car thieves. This technology stops hotwiring in which thieves steal the engine controller module (ECM), usually located at the front of the engine. The ECM manages a range of vital functions, including transmission control and engine power.

Smart keys also have anti-theft codes, as well as an unique ID security code assigned to each key. This can disable the ignition when the wrong key is used. The security ID is a unique code 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 (visit web site) can do more than just unlock your door. It can remotely start your engine, trigger the brakes and suspension and even start your car. It can also provide information about your car such as the fuel level and the temperature of your oil.

Like any piece of electronic equipment the smart car key fob requires regular maintenance to operate correctly. Most modern key fobs feature indicators for batteries that notify the driver when the battery is low. It's simple to replace the battery and you don't need any special tools.

In some cases the smart key may cease to function completely. If you suspect this is the cause attempt to reset the smart key after leaving the vehicle, then returning inside. This will help the car recognize that the fob is still in use and allow it to get back to its normal function.

Get in touch with a locksmith if have trouble getting your key fob working. They can reprogram it so that the car recognizes it and allows you to utilize all of its functions. This is typically cheaper than buying a brand new fob and could save you money over the course of time. In some cases, the locksmith can repair an existing key fob in order to be able to use it for a new one. This can help you save more money in the long run.