What Can a Smart Car Key Fob Do For You?

Mercedes introduced the first fobs in 1998. They are also known as smart keys, keyless entry or keyless entry fobs. These computer-controlled key fobs can accomplish many things, including locking and unlocking a vehicle and also starting it.

They function by broadcasting a rolling encrypted signal. This makes them more secure to thieves who are tech-savvy.

Safety

A smart key fob constantly communicates with the vehicle by radiofrequency waves. It sends out a low-power signal that, when pressed it, signals the vehicle to unlock doors and begin the engine. The car is programmed to recognize the unique encryption code of a specific key fob. This means that even in the event that the key fob gets stolen, it can't be used to begin the car.

But a brand new type of hacking could enable thieves to gain access to that communication. Relay attacks utilize devices that transmit on the same frequency as the key fob. A thief can place one of these devices in a pocket or hiding spot to jam the lock command from a distance, says How Stuff Works Electronics. This is a risk that could become more frequent, as more drivers change to smart keys.

Aside from these security features, a smart car key programming key fob can simplify your life by automatically adjusting to your vehicle's needs. A key fob that is connected to your smartphone, for instance it can detect your presence and allow you to unlock the doors, so you don't need to press the remote button. It also can detect when you're leaving and auto-lock the vehicle, so you don't have to worry about not locking the doors. A lot of smart Car key fob replacement key fobs also have a battery indicator that warns you in advance that the battery is running low. The majority of models let you replace the battery quickly and easily, without the need for any special tools.

Convenience

As opposed to a traditional metal key smart car key programming keys do not require physical inserting into an ignition slot in order to unlock or start the vehicle. BMW Group explains that the driver just needs to bring the key within reach of the car. Certain smart keys, such as the Display Key, feature small LCD touchscreen that allows users access to features like locking, unlocking, and keyless start directly from their key fob, without the need to connect to the Bluetooth system of the car.

Another way smart keys can help save time for drivers is by automating the process of locking their doors when they leave it. This feature is available in a number of vehicles, as per Consumer Reports, and can help maneuver into tight parking spots without accidentally hitting something or someone else.

Additionally, smart key systems usually do not transmit the same frequency signal over and over in order to make them more susceptible to relay attacks, says Open Road Auto Group. Therefore the vehicle that is stolen cannot be hotwired even if it's equipped with a smart key as the encrypted signal that the key fob transmits is unique to each car. This technology makes it incredibly difficult for thieves to steal a vehicle.

Security

Some of the top-of-the-line electronic features that are present in modern automobiles can be found in the key fob. These devices do much more than just open and close doors, or make chirping sounds to aid drivers in finding their car in a parking space However, some owners may not be aware of all the things these smart key fobs can do.

Certain keys that are smart key programing, for instance, can trigger the automatic windows and sunroofs on a vehicle when the key is pressed. One auto editor from CR was able to walk into her Honda Accord to find the windows shut and the sunroof open. That's just one reason she was grateful for her Smart Key, which locked the car automatically.

Certain smart keys utilize computer-encrypted signals to thwart car thieves according to How Stuff Works. This technology stops hotwiring, in which thieves take the vehicle's engine control unit (ECM), which is usually found in the front of the engine block. The ECM controls a variety of important 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 can disable ignition when the wrong key is used. The security ID is a specific code that's transmitted from the ECM to the key after it's placed in the ignition, and is verified by a sensor inside the car.

Maintenance

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

A smart car key fob, just like every other electronic device requires regular maintenance to work properly. Modern key fobs include indicators for the battery that inform the driver that it is time to replace the battery. It's easy to replace the battery and you don't require any special tools.

In certain instances however, a smart key could stop functioning entirely. If you suspect this is the case Try to reset the smart key by leaving the vehicle and then returning to it. This will allow the car to detect that the key fob remains in the vehicle smart key and will allow it to function again.

Get in touch with a locksmith if cannot get your key fob working. They can reprogram your fob so that it is recognized by the car and you are able to use 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 fix an existing key fob in order to be able to swap it as a replacement. This can save you money in the end.